eduagarcia/scielo_abstracts · Datasets at Hugging Face

scl/1516-1439/S1516-14392023000200278.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392023000200278

10.1590/1980-5373-mr-2023-0068

ENGINEERING, CHEMICAL

Università degli Studi di Firenze

null

Thermal Performance Investigation of Phase Change Materials in Concrete Blocks Masonry

Fabiche, Mariana N. F.

2,023

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

Mortars containing phase change materials (PCMs) were tested to determine their applicability to the thermal control of buildings. One mini-wall prototype was coated with mortar without PCM, whereas the three other prototypes were coated with mortar added with 5%, 10%, and 15% PCM. All specimens were subjected to visual analysis, scanning electron microscopy coupled with energy dispersive X-ray analysis, and differential scanning calorimetry. Thermal analysis was conducted using K-type thermocouples under irradiation by 1000 W halogen lamps. Compared with the other samples, the sample containing 15% PCM required more water in the mixture to achieve a good consistency. Compared with the reference mortar containing 0% PCM, specimens containing 5%, 10%, and 15% PCM showed greater thermal delay. The results of this study reveal that the use of PCM in buildings might lead to significant energy savings.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392023000200278&lng=en&tlng=en

11

scielo_articles/scl/1516-1439/S1516-14392023000200278.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Fabiche, Mariana N. F.", "Virga, Antonio", "Ortenzi, Altibano" ]

null

[ "Thermal performance", "Addition", "Shrinkage", "Concrete blocks", "Masonry" ]

null

[ "Università degli Studi di Firenze", "Universidade Estadual de Londrina" ]

scl/1516-1439/S1516-14392023000200277.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392023000200277

10.1590/1980-5373-mr-2023-0042

ENGINEERING, CHEMICAL

Universidade Federal de Itajubá

null

Influence of the Incorporation of Rubber Fibers on The Properties of Concrete Reinforced with Steel Fibers

Silva, Augusto Carlos Gomes da

2,023

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

The use of steel fibers in concrete affects its rheological properties in the fresh state and increases its energy absorption capacity in the hardened state. Rubber fibers come from tires and when incorporated into concrete, they promote an improvement in its damping factor. This work aimed to evaluate the use of rubber fibers on the mechanical properties of concrete reinforced with steel fibers. The evaluated properties were: compressive strength, tensile strength, static and dynamic modulus of elasticity and damping. The mixes of the tested concretes varied the consumption of steel and rubber fibers. From the results found, it can be seen that the rubber associated with steel fibers within the concrete mixtures improves the damping rates of the material.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392023000200277&lng=en&tlng=en

30

scielo_articles/scl/1516-1439/S1516-14392023000200277.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Silva, Augusto Carlos Gomes da", "Batista, Lucas Silveira", "Silva, Fabiana Maria da", "Becker, Ariane Roberto", "Gomes, Amauri Ernesto", "Gachet, Luísa Andréia", "Lintz, Rosa Cristina Cecche" ]

null

[ "Concrete with steel fibers", "waste rubber", "alternative materials" ]

null

[ "Universidade Federal de Itajubá", "Universidade Estadual de Campinas" ]

scl/1516-1439/S1516-14392023000200276.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392023000200276

10.1590/1980-5373-mr-2022-0573

ENGINEERING, CHEMICAL

Universidade Estadual de Campinas

null

Thermal and Acoustic Properties of Rubberized Mortars for Coatings

Oliveira, Adriana Gomes de

2,023

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

Recycled crumb rubber can be sustainable used in mortar both to mitigate nature aggregate consumption, reducing environmental pollution, as well, to improve the acoustic and thermal performance of buildings, without damaging its mechanical properties. This paper explores workability, microstructure, mechanical, thermal and acoustic properties considering increasing contents of crumb rubber (0%, 5%, 10%, 15% and 20% replacement, by volume, of fine aggregate). Mortar characterization tests were carried out in the fresh and hardened state. It has been found that replacing the aggregate with scrap tyre rubber reduced the compressive strength on average 12% and 67% and for tensile strength 35% and 53%, for the contents of 10% and 20% respectively, compared to the reference. Furthermore, it was found that the reductions in thermal conductivity reached 16% and 29% and an increase in acoustic attenuation on average 12% and 13%. Moreover, scanning electron microscopy images were analyzed, justifying the mechanical results obtained. Although the experimental results indicated that the workability and mechanical strengths decreased with the increase of rubber replacement rate, the studied mixtures met the standard specifications, and thus suitable for walls and ceilings coating applications, improve the acoustic and thermal performance of buildings and as a sustainable material.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392023000200276&lng=en&tlng=en

65

scielo_articles/scl/1516-1439/S1516-14392023000200276.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Oliveira, Adriana Gomes de", "Silva, Fabiana Maria da", "Angelin, Andressa Fernanda", "Silva, Marília Reis Nunes da", "Lintz, Rosa Cristina Cecche", "Baldan, Victor José dos Santos", "Gachet, Luísa Andréia" ]

null

[ "cement-based mortars", "recycled crumb rubber", "sustainability", "mechanical properties", "thermal and acoustic performance" ]

null

[ "Universidade Estadual de Campinas" ]

scl/1516-1439/S1516-14392023000200275.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392023000200275

10.1590/1980-5373-mr-2022-0520

ENGINEERING, CHEMICAL

Universidade Estadual de Campinas

null

Use of the Arduino Platform for the Piezoresistivity Analysis in Self-Sensing Cement Composites

Silva, João Batista Lamari Palma e

2,023

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

Concrete structures are susceptible to several factors during their life cycles, which can cause various problems. This situation can be avoided in many cases if Structural Health Monitoring (SHM) is used. However, such monitoring is often expensive due to the large number of sensors and the use of data acquisition systems (DAQ). In this context, self-sensing cement composites (SSCCs), monitoring themselves without sensors by incorporating conductive fillers in their composition, provide a better piezoresistive effect. In this research, the Arduino platform and analog to digital converters (ADC) modules were tested, and a prototype of a low-cost DAQ was developed for monitoring SSCCs. The devices were analyzed from the compression tests on the mortar specimens, and the results were compared to measurements obtained from the reference equipment (professional DAQ). The results showed a good sensitivity and an adequate correlation between both devices in some cases. It showed that the Arduino platform has the potential to be used in the experimental monitoring of SSCCs, however it needs to be combined with an ADC module.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392023000200275&lng=en&tlng=en

66

scielo_articles/scl/1516-1439/S1516-14392023000200275.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Silva, João Batista Lamari Palma e", "Lintz, Rosa Cristina Cecche", "Gachet, Luísa Andréia" ]

null

[ "Structural monitoring", "self-sensing cement composites", "piezoresistivity", "Arduino platform" ]

null

[ "Universidade Estadual de Campinas" ]

scl/1516-1439/S1516-14392023000200274.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392023000200274

10.1590/1980-5373-mr-2022-0599

ENGINEERING, CHEMICAL

Universidade Federal da Bahia

null

Optimization of Drilling Cuttings Reactivity as a Supplementary Cementitious Material in Ternary Cements

Maciel, Kuelson Rândello Dantas

2,023

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

This study evaluates the influence of milling on the reactivity of drilling cuttings (DC) utilized as supplementary cementitious material in ternary cements (TC). The drilling cuttings milling study varied the time (2, 5, 10, 15, and 20 min) and rotation speed (200 and 300 rpm), determining the specific milling energy and grindability index. The hydration of TC pastes containing DC with different particle size distributions was evaluated by isothermal calorimetry during the first 72 hours, XRD/Rietveld at 3 and 28 days, compressive strength and absorption. The incorporation of milled DC improved the TC hydration kinetics compared to reference pastes of ordinary Portland cement (REF.PC). After 28 days, the TC pastes with the D50% diameter smaller than 11 µm reached at least 70% of the resistance to the strength of the Portland cement paste. Milled DC contributes to the physical and nucleation effect of the TC pastes studied and can be used as an SCM.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392023000200274&lng=en&tlng=en

67

scielo_articles/scl/1516-1439/S1516-14392023000200274.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Maciel, Kuelson Rândello Dantas", "Costa, Ana Rita Damasceno", "Oliveira, Josinorma Silva de", "Andrade, Heloysa Martins Carvalho", "Gonçalves, Jardel Pereira" ]

null

[ "Ternary cement", "Supplementary cementitious materials", "Drilling cuttings", "Milling", "Waste management" ]

null

[ "Universidade Federal da Bahia", "Universidade Federal da Bahia", "Universidade Federal da Bahia" ]

scl/1516-1439/S1516-14392023000200273.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392023000200273

10.1590/1980-5373-mr-2023-0046

ENGINEERING, CHEMICAL

Universidade Federal de São Carlos

null

Self-sustained Films of Cellulose/Graphite Composites: Mechanical and Water Vapor Barrier Properties

Pessan, Cibele Carneiro

2,023

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

Cellulosic materials have several applications, from rheological modifiers to structural reinforcement and packaging components. Using cellulosic materials may also contribute to environmental sustainability because it can be sourced from agricultural byproducts. In this work, self-sustained composite films were produced by the casting of TEMPO-oxidized cellulose nanofibers/graphite composite dispersions. Oscillatory rheology and tensile strength tests showed that the presence of graphite did not significantly contribute to the enhancement of neither the rheological nor mechanical properties of the dispersions and films. Morphological analysis showed that particle segregation and setting occurred during film casting, resulting in particle concentration gradient along the thickness of the film. These results could indicate the low exfoliation efficiency of the microfluidization process and, therefore, justify why the graphite did not act as a reinforcement of the cellulose matrix. However, the graphite particles contributed to a higher barrier to water vapor permeation of the cellulosic films.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392023000200273&lng=en&tlng=en

21

scielo_articles/scl/1516-1439/S1516-14392023000200273.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Pessan, Cibele Carneiro", "Bernardes, Juliana S.", "Bettini, Sílvia H. P.", "Leite, Edson R." ]

null

[ "Nanocellulose", "Graphite", "Mechanical properties", "Rheology", "WVTR" ]

null

[ "Universidade Federal de São Carlos", "Centro Nacional de Pesquisa em Energia e Materiais", "Universidade Federal de São Carlos", "Universidade Federal de São Carlos" ]

scl/1516-1439/S1516-14392023000200271.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392023000200271

10.1590/1980-5373-mr-2022-0555

ENGINEERING, CHEMICAL

Universidade Federal de São Paulo

null

Mathematical Modeling Applying ν Concept and θ Projection to Creep of Ti-6Al-4V Alloy

Borges, Guilherme Oliveira

2,023

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

The current materials research field demands sophisticated tests and simulations to predict creep behavior, meet design needs, and save time and resources. This demands an appropriate mathematical formalism that can represent creep data for different materials and loading conditions. In this context, mathematical models such as θ-Projection and ν Concept can be applied to predict the behavior of materials under creep conditions. The main goal of this study involves the application of such methodologies to predict a creep curve for Ti-6Al-4V. In a preliminary assessment, both equation parameters, determined by computational techniques and an experimental database, enabled the determination of the strain-time curve of Ti-6Al-4V at 465 MPa and 500 ºC. The analysis showed that both methods have acceptable accuracy to predict primary, secondary, and tertiary creep behavior for Ti-6Al-4V. However, results indicated that the ν Concept produced a creep curve with better agreement with the experimental data. The technique used for obtaining parameters is promising and should be improved for future research.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392023000200271&lng=en&tlng=en

17

scielo_articles/scl/1516-1439/S1516-14392023000200271.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Borges, Guilherme Oliveira", "Barboza, Miguel Justino Ribeiro", "Reis, Danieli Aparecida Pereira" ]

null

[ "Creep", "Ti-6Al-4V", "Mechanical behavior", "Materials characterization", "Mathematical modeling" ]

null

[ "Universidade Federal de São Paulo", "Universidade de São Paulo" ]

scl/1516-1439/S1516-14392023000200264.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392023000200264

10.1590/1980-5373-mr-2022-0551

ENGINEERING, CHEMICAL

Universidade Federal dos Vales do Jequitinhonha e Mucuri

null

Production of Carboxymethyl Cellulose Films Incorporating Rue (Ruta graveolens) Essential Oil

Almeida, Andressa de Oliveira

2,023

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

Carboxymethyl cellulose (CMC) is considered a non-toxic, biodegradable and biocompatible polymer. CMC-based films are rated as flexible, clear, odorless, moderately tear resistant, resistant to oil and grease migration, and water soluble. Due to its hydrophilicity, CMC can serve as matrix to encapsulate hydrophobic substances, like essential oils, by emulsion dispersions. The essential oil of rue (Ruta graveolens) has antifungal, antimicrobial, insecticide and therapeutic properties already reported in the literature. For the incorporation of rue essential oil in the CMC films, the ultrasound-assisted emulsion technique was used. The films were produced by casting evaporation. The rue essential oil emulsion and CMC polymeric films with the incorporation of emulsified essential oil were evaluated according to the emulsion droplet size, chemical composition, morphology and thermogravimetric profile. The droplet size obtained for the emulsion was 229.1 nm. The films showed good transparency, regularity and chemical characteristics similar to those of the pure polymer.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392023000200264&lng=en&tlng=en

19

scielo_articles/scl/1516-1439/S1516-14392023000200264.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Almeida, Andressa de Oliveira", "Silveira, João Vinícios Wirbitzki da" ]

null

[ "Polymers", "encapsulation", "ultrasound", "natural products", "controlled releasing systems" ]

null

[ "Universidade Federal dos Vales do Jequitinhonha e Mucuri" ]

scl/1516-1439/S1516-14392023000200270.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392023000200270

10.1590/1980-5373-mr-2023-0563

ENGINEERING, CHEMICAL

Universidade Federal de Campina Grande

null

Effect of the Addition of Porcelain Tile Polishing Residue in Ceramic Masses for Sanitary Ware

Silva, Ricardo H. L.

2,023

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

Currently, there is a severe shortage of good-quality feldspar deposits. On the other hand, porcelain tile polishing residue has been widely recognized as an alternative raw material for the ceramic industry. Thus, this research evaluated the effect of the partial replacement of feldspar by the porcelain polishing residue (PPR) in formulations for sanitary stoneware. It was replaced from 2% to 20% of the total mass of feldspar by the residue. The raw materials were characterized by X-ray fluorescence, X-ray diffraction, and particle size determination. Then, they were mixed in a wet ball mill, and the rheological properties of the suspensions were analyzed. Samples of the test were produced by slip casting and sintered at 1160 °C, 1180 °C, and 1200 °C. Rheological characteristics were not affected when up to 20% of feldspar was replaced by residue. Bodies with high amounts of PPR had flexural strength and water absorption values similar to those of bodies without PPR in formulations. Furthermore, apparent porosity values lower than the reference mass were obtained with the addition of 6% of the residue in the formulation.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392023000200270&lng=en&tlng=en

47

scielo_articles/scl/1516-1439/S1516-14392023000200270.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Silva, Ricardo H. L.", "Neves, Gelmires A.", "Nóbrega, Ana C. V.", "Farias, Rosiane M. C.", "Rocha, Mônica F. B.", "Alves, Kleber G. B.", "Menezes, Romualdo R." ]

null

[ "Ceramic", "sanitary stoneware", "feldspar", "porcelain tile polishing residue" ]

null

[ "Universidade Federal de Campina Grande", "Universidade Federal de Pernambuco", "Universidade Federal do Rio Grande do Norte", "Instituto Federal de Pernambuco" ]

scl/1516-1439/S1516-14392023000200269.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392023000200269

10.1590/1980-5373-mr-2023-0085

ENGINEERING, CHEMICAL

Instituto Tecnológico de Aeronáutica

null

Influence in Fatigue Properties Due a Plasma Nitriding and Laser Carburizing in a Bainitic Steel

Zanni, E. G. S.

2,023

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

The following work analyzed the changes in the properties of Fatigue in a 300M aeronautical steel after the application of thermochemical treatments of plasma nitriding and laser carburizing. The microstructural characterization of the formed layers and the hardness obtained after the surface treatments were conducted. Thus, a comparison was made between the two treatments to verify which one has better efficacy. It has been observed that the treatment of plasma nitriding improves significantly the fatigue properties of 300 M steel. It was also noted that laser carburizing was not efficient to improve fatigue life.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392023000200269&lng=en&tlng=en

11

scielo_articles/scl/1516-1439/S1516-14392023000200269.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Zanni, E. G. S.", "Ferreira, C.C.A.", "Harada, A.T.", "Abdalla, A. J." ]

null

[ "Surface treatment", "300M steel", "Heat treatment", "Fatigue Properties" ]

null

[ "Instituto Tecnológico de Aeronáutica", "Instituto de Estudos Avançados" ]

scl/1516-1439/S1516-14392023000200268.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392023000200268

10.1590/1980-5373-mr-2023-0053

ENGINEERING, CHEMICAL

Thyssenkrupp Brasil - Springs & Stabilizers

null

Study of Patchwelded Blanks Resistance Spot Welding (RSW) Before Hot Stamping with and without Heat Treatment Parameters

Lara, J. A. C.

2,023

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

In recent years, increasing automotive safety and energy efficiency has become a major concern in the automotive industry. Advanced high-strength steel (AHSS) was chosen for its weight reduction and high mechanical strength for the body in white (BIW). Specifically, it has been used in 22MnB5 steel press hardening type steel (PHS) with patchweld technology, which enables the production of reinforced and structural parts in a single stroke during the hot forming process. This study aimed to evaluate the resistance spot welding parameters for patchweld before hot stamping, considering the minimum and maximum residual stress, while ensuring a welding nugget diameter within the approved range. Microhardness and X-ray diffraction were used to analyze the welding zones for phase identification and residual stress measurements. After five weeks of elapsed time, the spot weld showed cracks that were not seen immediately after welding and were probably due to a high residual stress state.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392023000200268&lng=en&tlng=en

26

scielo_articles/scl/1516-1439/S1516-14392023000200268.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Lara, J. A. C.", "Abbade, L.", "Mucsi, C. S.", "Nizes, A. D. C.", "Rossi, J. L." ]

null

[ "resistance spot welding", "22MnB5 steel", "cold crack", "patch weld", "PHS" ]

null

[ "Thyssenkrupp Brasil - Springs & Stabilizers", "Instituto de Pesquisas Energéticas e Nucleares" ]

scl/1516-1439/S1516-14392023000200267.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392023000200267

10.1590/1980-5373-mr-2023-0061

ENGINEERING, CHEMICAL

Universidade Federal do Rio Grande do Norte

null

Photocatalytic Degradation of the Rhodamine B Dye Under Visible Light Using NixCu(1-x)Fe2O4 Synthesized by EDTA-Citrate Complexation Method

Azevedo, Ila G. D. D. de

2,023

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

The NixCu(1-x)Fe2O4 (x = 0, 0.2, 0.8, 1) mixed nickel and copper ferrites were synthesized using the EDTA-Citrate complexation method and calcined at 700°C. The structure, properties and characterization of the samples were analyzed by DRX, Rietveld refinement, SEM, and DRE UV-Vis, indicating the phase formation of tetragonal (CuFe2O4 and Ni0.2Cu0.8Fe2O4) and cubic (Ni0.8Cu0.2Fe2O4 and NiFe2O4). The materials exhibited morphologies suitable for photocatalytic applications and a UV-Vis absorption range near 2 eV as expected for spinel ferrites. These materials were evaluated as photocatalysts for the degradation of Rhodamine B dye under heterogeneous photocatalysis conditions, simulating solar light irradiation, air injection, and different pH levels (2, 6, and 10). The results showed that the catalytic efficiency was higher for samples with a higher copper content and in a basic medium. Therefore, NixCu(1-x)Fe2O4 mixed ferrites have promising potential as photocatalysts.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392023000200267&lng=en&tlng=en

30

scielo_articles/scl/1516-1439/S1516-14392023000200267.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Azevedo, Ila G. D. D. de", "Rodrigues, Matheus V.", "Gomes, Yara F.", "Araújo, Camila P. B. de", "Souza, Carlson P. de", "Moriyama, André L. L." ]

null

[ "Mixed nickel and copper ferrites", "EDTA-Citrate", "heterogeneous photocatalysis", "Rhodamine B" ]

null

[ "Universidade Federal do Rio Grande do Norte", "Universidade Federal do Rio Grande do Norte" ]

scl/1516-1439/S1516-14392023000200266.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392023000200266

10.1590/1980-5373-mr-2022-0576

ENGINEERING, CHEMICAL

Universidade Estadual do Norte Fluminense

null

Influence of Paper Industry Effluent Sludge in Ceramic Formulation for Red Wall Tiles (BIII Group)

Chagas, Lílian B.

2,023

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

At present, the friendly recycling of paper industry effluent sludge has gained great prominence due to the ecological and economic benefits. The aim of this work is to evaluate the influence of the incorporation of paper industry effluent sludge into a red wall tile formulation (BIII group), replacing natural limestone material by up to 10 wt.%. For this purpose, five red wall tile formulations were developed by the dry process, pressed at 47 MPa, and fired at 1170 ºC by using a fast-firing cycle. The wall tile formulations were characterized in terms of chemical analysis, thermal analysis (DTA-TG), and dilatometric analysis. The influence of paper industry effluent sludge on the technical properties (apparent density, water absorption, and flexural strength) and sintered microstructure was investigated. The results showed that red wall tiles containing up to 10 wt.% of paper industry effluent sludge have very good usable final properties, indicating their suitability for the wall tile industrial production (BIII group - ABNT NBR ISO 13006). Such results emphasize the feasibility of ecological and economic recycling of paper industry effluent sludge for the production of red wall tiles.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392023000200266&lng=en&tlng=en

38

scielo_articles/scl/1516-1439/S1516-14392023000200266.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Chagas, Lílian B.", "Paes Jr, Herval Ramos", "Holanda, José Nilson F." ]

null

[ "Paper industry effluent sludge", "Wall tile", "Properties", "Microstructure" ]

null

[ "Universidade Estadual do Norte Fluminense" ]

scl/1516-1439/S1516-14392023000200265.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392023000200265

10.1590/1980-5373-mr-2022-0558

ENGINEERING, CHEMICAL

Universidade do Estado de Santa Catarina

null

Improvement of Mechanical Properties of Linear Low-Density Polyethylene (LLDPE) Films by Addition of Montmorillonite-Erucamide Nanocomposite (MMT-EU)

Cima, Letícia Bavaresco

2,023

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

The Montmorillonite-Erucamide nanocomposite (MMT-EU) can be used to reduce and to control the values of coefficient of friction of low-density polyethylene films (LDPE), widely used by the food industry. In this work, the effect of the addition of 5 wt% and 10 wt% of MMT-EU on the mechanical properties of LLDPE films involving the weld region was investigated. The MMT-EU concentration range was defined considering its possible technological application as an additive to stabilize the friction coefficient of polymeric films. The result shows a significant improvement in the values of stiffness, strength and ductility of polymeric films. In addition, it did not change the coefficient of friction, but the brightness of the LLDPE films decreased and the opacity increased, due to the increase in the crystallinity degree of the LLDPE polymer promoted by MMT-EU, not being a problem for the application of these films.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392023000200265&lng=en&tlng=en

17

scielo_articles/scl/1516-1439/S1516-14392023000200265.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Cima, Letícia Bavaresco", "Patussi, Pahola", "Duarte, Glaucea Warmeling", "Breitenbach, Éverton Rafael", "Recco, Abel Andre Candido", "Silva, Luciano Luiz", "Zanetti, Micheli", "Colpani, Gustavo Lopes", "Mello, Josiane Maria Muneron de", "Carniel, Thiago André", "Fiori, Márcio Antônio" ]

null

[ "linear low-density polyethylene (LLDPE)", "erucamide", "nanocomposite", "mechanical properties" ]

null

[ "Universidade do Estado de Santa Catarina", "Universidade Comunitária da Região de Chapecó", "Universidade Tecnológica Federal do Paraná", "Universidade Comunitária da Região de Chapecó", "Universidade Comunitária da Região de Chapecó", "Centro Universitário Barriga Verde" ]

scl/1516-1439/S1516-14392023000200246.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392023000200246

10.1590/1980-5373-mr-2022-0532

ENGINEERING, CHEMICAL

Instituto de Aeronáutica e Espaço

null

Maraging 300 Steel Plasma Welding Characterization for Aerospace Application

Schiavo, Camilla Pessanha

2,023

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

Maraging steel is a special class of high-strength steels that are hardened by the precipitation of intermetallic compounds at temperatures close to 480 °C, without carbon transformation. Since its development, it has been used for strategic applications (nuclear energy, defense, and aerospace areas) and the mastery of its process and application has been constantly improved. This study aimed to characterize the weld regions of a maraging 300 steel used to manufacture a rocket motor case. Welded samples of maraging 300 steel were subjected to metallurgical and mechanical characterization. Microstructural analysis showed three different zones in the hardness range of 291 to 465 HV and reduced toughness. X-ray diffraction showed metallic phases in each region, evidencing the increase of the austenite phase. Based on the results obtained, maraging steel has great potential for aerospace applications, with excellent strength even when subjected to welding.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392023000200246&lng=en&tlng=en

34

scielo_articles/scl/1516-1439/S1516-14392023000200246.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Schiavo, Camilla Pessanha", "Zucarelli, Tiago Alegretti", "Reis, Danieli Aparecida Pereira" ]

null

[ "Maraging", "plasma welding", "aerospace application", "rocket motor case" ]

null

[ "Instituto de Aeronáutica e Espaço", "Universidade Federal de São Paulo" ]

scl/1516-1439/S1516-14392023000200244.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392023000200244

10.1590/1980-5373-mr-2022-0585

ENGINEERING, CHEMICAL

Instituto Tecnológico de Aeronáutica

null

Effects of Mn Concentration on Grain Boundary Pinning of 5083 Aluminum Alloy

Gomes, Caio F.S.

2,023

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

Superplastic deformation has a significant industrial application value due to the large elongation, which allows manufacturing parts with complex geometries but happens at elevated temperatures and low strain rates. Therefore, it requires alloys with fine grain size but whose grains tend to grow at processing temperatures. Second-phase particles can promote grain boundary pinning to keep a fine grain size structure during superplastic forming. In 5083 aluminum alloy, Al6Mn particles make grain boundary pinning. There are two types of 5083 aluminum alloy: conventional with manganese range from 0.4 to 1.0 wt.% and superplastic with manganese between 0.64 and 0.86. It was observed in bibliographic research that the 5083 superplastic has a higher chemical concentration of manganese than the conventional one. However, no references were found covering manganese concentration in grain size stability. This work shows grain size evolution at a constant temperature of 5083 alloys with different manganese concentrations. This work indicates that the manganese substantially impacts grain boundary pinning when the chemical composition is between 0 and 0.6 wt.%. No significant effects were observed for Mn concentrations higher than 0.6%".

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392023000200244&lng=en&tlng=en

18

scielo_articles/scl/1516-1439/S1516-14392023000200244.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Gomes, Caio F.S.", "Antunes, André da S." ]

null

[ "Aluminum Alloys", "superplasticity", "AA 5083", "grain boundary pinning" ]

null

[ "Instituto Tecnológico de Aeronáutica" ]

scl/1516-1439/S1516-14392023000200218.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392023000200218

10.1590/1980-5373-mr-2022-0536

ENGINEERING, CHEMICAL

Universidade Federal do Rio Grande do Norte

null

Post-Consumer Polyurethane Foams Hydrophobization Through Surface Modifications for Oil Spill Sorption

Rocha, Keslei Rosendo da

2,023

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

To increase oil sorption, polyurethane foams were modified with MoS2, ZnO grafting and/or hexadecanoic acid coating. The foams were characterized by Scanning Electron Microscopy + Energy Dispersive X-ray Spectroscopy and Contact Angle techniques. Three sorption tests were performed. In tests with 100% water, the ZnO-PC modification showed a reduction of 35.7% in the seawater sorption when compared to Un-PC. In tests with 100% oil, there was a 29-fold increase in sorption (more than 2803%) of S46 lubricant oil when Un-PC performance was compared with ZnO-PC. In tests on the multicomponent systems, the lowest seawater sorption was 0.01 ± 0.00 g.g-1 (HA-PC), 0.08 ± 0.01 g.g-1 (Un-PC), and 1.39 ± 0.02 g.g-1 (Un-PC) for 20W40 engine oil, S46 lubricating oil, and diesel, respectively. The highest oil sorption in the systems was 41.34 ± 1.02 g.g-1 (HA-PC), 32.81 ± 0.31 g.g-1 (MoS2-PC), and 14.78 ± 0.27 g.g-1 (ZnO-PC) for diesel, S46 lubricating oil, and 20W40 engine oil, respectively. The reuse tests indicated that even after 10 cycles, the ZnO-PC foam kept its sorption capacity unchanged. Post-consumer foams proved to be effective in the sorption of different oils spilled into seawater, especially those grafted with ZnO rods or impregnated with MoS2.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392023000200218&lng=en&tlng=en

26

scielo_articles/scl/1516-1439/S1516-14392023000200218.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Rocha, Keslei Rosendo da", "Chiavone-Filho, Osvaldo", "Oliveira, Humberto Neves Maia de" ]

null

[ "Oil pollution", "Oil spills", "Polyurethane foams", "Reduce", "reuse", "recycle" ]

null

[ "Universidade Federal do Rio Grande do Norte" ]

scl/1516-1439/S1516-14392024000300202.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392024000300202

10.1590/1980-5373-mr-2024-0203

ENGINEERING, CHEMICAL

Universidade Estadual Paulista

null

Preparation and Characterization of Geopolymers Obtained from Alkaline Activated Hollow Brick Waste

Colnago, Lauren Rayna Lima

2,024

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

Geopolymers are inorganic polymers obtained through the alkaline activation of aluminosilicates. Due to their cementitious properties, they are being studied as a sustainable alternative to Portland cement. Red ceramic waste (RCW), being a source of silica and alumina, can serve as a precursor for producing geopolymers. In this work, we evaluated the feasibility of producing geopolymers from hollow brick (HB) and hydrated lime, using only sodium hydroxide as an alkaline activator. The test specimens were prepared replacement HB by up to 30 wt% of hydrated lime, aiming to evaluate the compressive strength after 7 and 28 curing days of the geopolymer produced. The results showed that samples with 30 wt% of hydrated lime, achieved the highest compressive strength (11.26 MPa) after 28 days of curing, although all values found were above the limit established by Brazilian standards for modular geopolymer bricks. The results therefore show a sustainable and widely viable implementation alternative to reduce the environmental impacts caused by the production of Portland cement.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392024000300202&lng=en&tlng=en

22

scielo_articles/scl/1516-1439/S1516-14392024000300202.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Colnago, Lauren Rayna Lima", "Santos, Ana Karla Vieira", "Potensa, Bruno dos Santos", "Chaves, Felipe Pires", "Santos, Gleyson Tadeu de Almeida", "Souza, Agda Eunice de", "Teixeira, Silvio Rainho" ]

null

[ "Geopolymer", "activating solution", "hydrated lime", "hollow brick" ]

null

[ "Universidade Estadual Paulista" ]

scl/1516-1439/S1516-14392024000200216.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392024000200216

10.1590/1980-5373-mr-2023-0578

ENGINEERING, CHEMICAL

Instituto SENAI de Inovação em Sistemas de Manufatura, Processamento a Laser e Excelência Operacional

null

Impact of Feedstock Recycling on the Corrosion Resistance of Inconel 625 Processed by L-DED

Cruz, Juliane Ribeiro da

2,024

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

The corrosion resistance of Inconel 625 processed by L-DED additive manufacturing using virgin and reused powders was investigated to optimize the cost-effectiveness of the process. Samples were manufactured under a controlled argon atmosphere. Feedstock and samples were characterized by optical and scanning electron microscopy, energy-dispersive X-ray spectroscopy, and rheology analysis. Corrosion resistance was investigated by cyclic polarization and electrochemical impedance spectroscopy in NaCl 3.5% media. Rheology accused a slight decrease in powder flowability with reuse, but no further appreciable powder degradation was observed. Samples developed a dendritic microstructure with Mo- and Nb-rich Laves phase in the interdendritic region. Samples processed with reused powder were found to have a high content of oxides, which accounted for a slightly inferior impedance and reduced the charge transfer resistance by nearly 50%. Specimens had an overall similar cyclic polarization, with the specimen processed with virgin powder having a slightly superior performance, with a 60mV more noble Ecorr and higher Rp, but similar Icorr. Samples presented uniform and pitting corrosion mechanisms, with pits being preferentially located in the Mo-depleted dendritic regions. In summary, the reuse of Inconel 625 powder processed under argon-controlled conditions was not considered to be significantly detrimental to the alloy corrosion resistance.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392024000200216&lng=en&tlng=en

49

scielo_articles/scl/1516-1439/S1516-14392024000200216.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Cruz, Juliane Ribeiro da", "Sousa, Jurandir Marcos Sá de", "Ferreira, Henrique Santos", "Thiesen Junior, Anselmo", "Marino, Cláudia E. B." ]

null

[ "Ni-superalloys", "Corrosion mechanisms", "Tafel analysis", "Laser processing", "Feedstock recycling" ]

null

[ "Instituto SENAI de Inovação em Sistemas de Manufatura, Processamento a Laser e Excelência Operacional", "Universidade de São Paulo", "Universidade Federal do Paraná" ]

scl/1516-1439/S1516-14392024000200218.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392024000200218

10.1590/1980-5373-mr-2023-0561

ENGINEERING, CHEMICAL

Universidade Federal de São João del-Rei

null

Evaluation the Propagation of Localized Corrosion Induced by Flow in Different Concentrations of Sodium Chloride and in the Presence of Corrosion Inhibitor

Moreira, Gabriela P.C.

2,024

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

The growth of the oil and gas industry implies an understanding of corrosion and ways to mitigate pipeline failures. The objective of this research is to evaluate the propagation of localized corrosion induced by flow in different concentrations of sodium chloride and in the presence of corrosion inhibitor, associated with the wall shear stress. The API X65 steel specimens were drilled, with the purpose of simulating corrosion pits, and coupled to a modified ASTM G170 rotating cage.The experimental conditions were: (1) desaerated medium in the presence of CO2 under 5 bar, 120°C and concentrations of 0.1% or 10% sodium chloride; (2) aerated medium without CO2 at 40°C, without or with corrosion inhibitor. To evaluate the shear stress, Computational Fluid Dynamics (CFD) was used to understand the distribution on the surface of the samples. The results showed that the chloride concentration influenced the formation of the FeCO3 film and the corrosion rate. Furthermore, it was observed that the variation in diameter was more pronounced for the pits that had the smallest initial diameter, in all conditions evaluated. The highest values of diameter variation did not correspond to the highest values of shear stress imposed on each artificial pits.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392024000200218&lng=en&tlng=en

51

scielo_articles/scl/1516-1439/S1516-14392024000200218.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Moreira, Gabriela P.C.", "Resende, Bárbara L.", "Silva, Isabela A.F.", "Souza, Rhuan C.", "Santos, Luan C.", "Gomes, José A.C.P.", "Oliveira, Jefferson R.", "Vilalta-Alonso, Guillermo", "Bueno, Alysson H.S." ]

null

[ "shear stress", "localized corrosion", "API X65 steel" ]

null

[ "Universidade Federal de São João del-Rei", "Universidade Federal do Rio de Janeiro", "Petrobras S.A." ]

scl/1516-1498/S1516-14982007000100004.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982007000100004

10.1590/S1516-14982007000100004

PSYCHOLOGY, PSYCHOANALYSIS

Universidade de São Paulo

O ouvido, a boca e o olho: a psicanálise entre o apagamento e a memória dos lugares da linguagem

null

The ear, the mouth and the eye: the psychoanalysis between the erasure and the recollection of speech places

Caneppele, Alessandra

2,007

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Em Entwurf einer Psychologie, Freud descreve três vivências primárias nas quais um som poderia participar da construção de significações. Essa tripla apresentação concordaria com a estrutura tripartida da linguagem exposta em Zur Auffassung der Aphasien, permitiria a ampliação do procedimento de constituição da significação da palavra apresentado parcialmente nesse primeiro texto e seria mantida depois na tripartição dos procedimentos de construção de significação do trabalho onírico. Reconduzimos, então, a polêmica sobre o limite da linguagem na teoria da psicanálise a apagamentos da multiplicidade de procedimentos de significação que reconhecemos em Freud, para, por fim, postular esses apagamentos enquanto método pertinente ao objeto mesmo da investigação psicanalítica.

null

In Entwurf einer Psychologie Freud describes three primary life experiences in which a sound could play a role in the building of meanings. This triple presentation agrees with the tripartite structure of the language exposed in Zur Auffassung der Aphasien; it allows an extension of the proceeding of building word meanings partly presented in that first text; and, later, it will be upheld in the tripartition of the proceedings of building the meaning in the dreaming work. Thus, we may reduce the debate about the limits of language in psychoanalytic theory to punctual erasures in the multiplicity of those meaning proceedings and finally postulate that these erasures constitute a method pertaining to the very subject of the psychoanalytic investigation.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982007000100004&lng=en&tlng=en

20

scielo_articles/scl/1516-1498/S1516-14982007000100004.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Caneppele, Alessandra" ]

null

[ "Psicanálise", "linguagem", "significação", "método" ]

null

[ "Psychoanalysis", "language", "meaning", "method" ]

null

[ "Universidade de São Paulo", "Universidade Estadual de Campinas", "Universidade Estadual de Campinas" ]

scl/1516-1498/S1516-14982006000100009.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000100009

10.1590/S1516-14982006000100009

PSYCHOLOGY, PSYCHOANALYSIS

Collège International de L'Adolescence

Adolescência, violência e sociedade

null

Adolescence, violence and society

Marty, François

2,006

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Partindo da expressão da violência no palco social, o autor interroga a resiliência psíquica dessa violência no adolescente. O adolescente violento muitas vezes é uma pessoa desamparada. A violência precisa ser contida, canalizada e dominada. Para conseguir isso o adolescente precisa encontrar em si mesmo recursos e um poderoso apoio narcísico proveniente dos adultos. Ele precisa confrontar-se com adultos que não fraquejem, que resistam à sua destrutividade e que sirvam de referência para ele. Na falta disso, o adolescente não conseguirá orientar sua violência interna em sua busca de sentido, sua busca narcísica identitária. O tratamento da violência passa, portanto, pela tomada de consciência, por parte dos adultos, quanto ao papel que devem exercer na constituição do self, em particular no momento da adolescência.

null

Starting from the expression of violence in the social stage, the author questions the psychical resilience of that violence in adolescence. The violent adolescent is often a helpless person. Violence must be contained, channeled and tamed. In order to succeed in that, the adolescents need to find in themselves the means, and a powerful narcissistic support from the adults. They need to confront adults who can hold out their destructiveness and who can afford them references. If that lacks, the adolescents will not succeed in driving their inner violence towards their search for meaning, their narcissistic and identity search. So, the treatment of violence passes through the adults taking conscience of the role they must play in the construction of the self, especially in adolescence.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000100009&lng=en&tlng=en

10

scielo_articles/scl/1516-1498/S1516-14982006000100009.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Marty, François" ]

null

[ "Apoio narcísico", "destrutividade", "identidade", "desamparo", "processo de adolescência", "violência", "conflito" ]

null

[ "Narcissistic support", "destructiveness", "identity", "helplessness", "adolescence process", "violence", "conflict" ]

null

[ "Collège International de L'Adolescence", "Ministério da Pesquisa e Ensino Superior do Governo da França", "Universidade de Paris 5", "Association pour la Formation à la psychothérapie Psychanalytique de l'Enfant et de l'Adolescent" ]

scl/1516-1498/S1516-14982006000100008.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000100008

10.1590/S1516-14982006000100008

PSYCHOLOGY, PSYCHOANALYSIS

Universidade Federal do Estado do Rio de Janeiro

Winnicott, Bergson, Lacan: tempo e psicanálise

null

Winnicott, Bergson, Lacan: time and psychoanalysis

Gondar, Jô

2,006

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

O artigo trabalha as concepções de Winnicott e Lacan a respeito do tempo. Em Winnicott, o tempo é pensado no plano da diferença ontológica, enquanto que Lacan privilegia a diferença sexual. Pretende-se mostrar como essas duas idéias a respeito da temporalidade implicam distintas concepções sobre a constituição subjetiva, assim como diferentes estratégias clínicas. Com relação ao tempo, Winnicott será associado ao filósofo Henri Bergson e à sua noção de duração.

null

This article discusses Winnicott and Lacan's conceptions of time verifyng its diferents clinical estrategies. Winnicott will be associated to Henri Bergson in respect of his notion of duration.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000100008&lng=en&tlng=en

24

scielo_articles/scl/1516-1498/S1516-14982006000100008.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Gondar, Jô" ]

null

[ "Tempo", "diferença", "estratégias clínicas" ]

null

[ "Time", "difference", "clinical strategies" ]

null

[ "Universidade Federal do Estado do Rio de Janeiro", "Pontifícia Universidade Católica do Rio de Janeiro" ]

scl/1516-1498/S1516-14982006000100007.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000100007

10.1590/S1516-14982006000100007

PSYCHOLOGY, PSYCHOANALYSIS

Universidade Federal do Rio de Janeiro

Le sinthome

null

Le sinthome

Dias, Maria das Graças Leite Villela

2,006

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Aborda-se a passagem efetuada por Lacan para a escrita topológica da nodalidade. Ao nó borromeano de três elos Lacan acrescenta um elo suplementar, le sinthome, definido em sua função de letra. Segundo ele, le sinthome é o que permite ao simbólico, ao imaginário e ao real ficarem juntos, graças a dois erros, dois pontos de falha estrutural que se produzem no enlaçamento do imaginário e do simbólico: o ponto do lapso, do equívoco fundamental, do não-senso, onde se localiza o sintoma-metáfora; e o ponto da falta primordial, onde se situa le sinthome, em sua função de gozo e de suplência da falta.

null

This work deals with Lacan's turn to the topological writings of nodality. To the Borromean knot of three rings Lacan adds a supplementary ring, le sinthome, defined in its function as a letter. According to it, it is le sinthome which permits the symbolic, the imaginary and the real to stay together, due to two errors, two points in the structural fault which are produced in the intertwining of the imaginary and the symbolic: the point of the lapse, the fundamental mistake, the no-sense, where the symptom-metaphor lies; and the point of the primordial fault, where le sinthome lies in its function of enjoyment and fault supplementation.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000100007&lng=en&tlng=en

8

scielo_articles/scl/1516-1498/S1516-14982006000100007.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Dias, Maria das Graças Leite Villela" ]

null

[ "Ponto do lapso", "ponto da falta primordial", "sintoma-metáfora", "le sinthome" ]

null

[ "Point of the lapse", "point of the primordial fault", "symptom-metaphor", "le sinthome" ]

null

[ "Universidade Federal do Rio de Janeiro", "Universidade Federal de São João del-Rei" ]

scl/1516-1498/S1516-14982005000100005.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982005000100005

10.1590/S1516-14982005000100005

PSYCHOLOGY, PSYCHOANALYSIS

Universidade Federal do Rio de Janeiro

A falta conceituada por Lacan: da coisa ao objeto a

null

Lack conceived by Lacan: from the thing to object a

Darriba, Vinicius

2,005

1

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Discute-se o modo como a falta é conceituada por Lacan em dois momentos: com a retomada da Coisa freudiana e com a introdução do objeto a. Tal esforço em conceituar a falta é associado à tentativa de Lacan de resgatar aquilo que se revelou central na experiência de Freud. À Coisa e ao objeto a são relacionadas duas formas distintas de se pensar a relação entre o conceito e a falta na psicanálise, determinantes do tipo de aproximação que se pode ter do que constitui a experiência analítica.

null

This study describes the way lack is conceived by Lacan at two different levels: with the retrieval of the Freudian Thing and the introduction of Object a. Such effort to conceptualize lack is associated to Lacan's attempt of rescuing that which has revealed itself as central in Freud's experience. Two distinct ways of thinking the relationship between concept and lack in psychoanalysis are related to the Thing and Object a. Such forms of thinking are determining in the type of proximity one may have of what is at stake in the analytical experience.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982005000100005&lng=en&tlng=en

10

scielo_articles/scl/1516-1498/S1516-14982005000100005.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Darriba, Vinicius" ]

null

[ "Lacan", "conceito", "falta", "Coisa", "objeto a" ]

null

[ "Lacan", "concept", "lack", "Thing", "object a" ]

null

[ "Universidade Federal do Rio de Janeiro", "Universidade Estácio de Sá" ]

scl/1516-1498/S1516-14982005000100011.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982005000100011

10.1590/S1516-14982005000100011

PSYCHOLOGY, PSYCHOANALYSIS

Sociedade Brasileira de Psicanálise de São Paulo (SBPSP)

É possível transformar em produção universitária a experiência psicanalítica?

null

Warchavchik, Iliana Horta

2,005

1

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982005000100011&lng=en&tlng=en

null

scielo_articles/scl/1516-1498/S1516-14982005000100011.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Warchavchik, Iliana Horta", "Saddi, Luciana", "Khouri, Magda Guimarães" ]

null

[ "Sociedade Brasileira de Psicanálise de São Paulo (SBPSP)" ]

scl/1516-1498/S1516-14982005000100010.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982005000100010

10.1590/S1516-14982005000100010

PSYCHOLOGY, PSYCHOANALYSIS

UFRGS

O corpo em psicanálise

null

Palombini, Analice de Lima

2,005

1

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982005000100010&lng=en&tlng=en

null

scielo_articles/scl/1516-1498/S1516-14982005000100010.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Palombini, Analice de Lima" ]

null

[ "UFRGS", "Associação Psicanalítica de Porto Alegre", "Uerj" ]

scl/1516-1498/S1516-14982005000100009.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982005000100009

10.1590/S1516-14982005000100009

PSYCHOLOGY, PSYCHOANALYSIS

Instituto Sedes Sapientiae

Existir: o estado próprio do corpo

null

Frochtengarten, Janete

2,005

1

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982005000100009&lng=en&tlng=en

null

scielo_articles/scl/1516-1498/S1516-14982005000100009.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Frochtengarten, Janete" ]

null

[ "Instituto Sedes Sapientiae" ]

scl/1516-1498/S1516-14982005000100008.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982005000100008

10.1590/S1516-14982005000100008

PSYCHOLOGY, PSYCHOANALYSIS

Universidade Federal do Rio Grande do Sul

Um método para estudo e construção do caso em psicopatologia

null

A method for the study and construction of a case in psychopathology

D'Agord, Marta Regina de Leão

2,005

1

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Na situação de supervisão acadêmica de estágio em psicopatologia, elaboramos um método para a redação do estudo e construção do caso. Esse método consiste em um roteiro do qual destacamos para análise os tópicos: 1) exame do estado mental e 2) posição transferencial. O uso desse método vem mostrando que o tópico posição transferencial produz um testemunho escrito de uma implicação pessoal.

null

In the situation of academic supervision of psychopathology training, we elaborated a method of writing the case study and construction. This method is based on a summary of topics, some of then are: 1) the mental state exam, and 2) the transference position, and the diagnostic hypothesis. This method's practice shows that the transference position topic stands out a written testimony of the personal implication.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982005000100008&lng=en&tlng=en

20

scielo_articles/scl/1516-1498/S1516-14982005000100008.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "D'Agord, Marta Regina de Leão" ]

null

[ "Estudo e construção do caso", "psicopatologia", "psicanálise", "método" ]

null

[ "Case study and construction", "psychopathology", "psychoanalysis", "method" ]

null

[ "Universidade Federal do Rio Grande do Sul" ]

scl/1516-1498/S1516-14982005000100007.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982005000100007

10.1590/S1516-14982005000100007

PSYCHOLOGY, PSYCHOANALYSIS

Universidade Federal de Minas Gerais

Identificação e culpa: questões éticas contemporâneas

null

Identification and guilt: contemporary ethical questions

França Neto, Oswaldo

2,005

1

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Freud colocou o processo de identificação na gênese do aparelho psíquico. Enquanto conceito, porém, ele é marcado por alguns paradoxos. Este artigo se propõe a formalizar tais impasses, assim como a necessária vinculação, no texto freudiano, do conceito de identificação com o fenômeno da culpa. Em seguida, serão levantadas algumas situações contemporâneas nas quais, aos olhos da psicanálise e do sistema jurídico, essa vinculação (identificação-culpa) tem sido colocada em questão.

null

Freud has presented the process of identification in the origin of the psychic apparatus. As a concept, though, it is marked by a few paradoxes. This article aims to formalize such impasses, as well as the necessary link, in a Freudian text, of the concept of identification with the guilt phenomenon. Throughout the text, a number of contemporary situations will be drawn upon, where within the areas of psychoanalysis and the judicial system, this link (identification-guilt) has come into serious question.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982005000100007&lng=en&tlng=en

7

scielo_articles/scl/1516-1498/S1516-14982005000100007.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "França Neto, Oswaldo" ]

null

[ "Identificação", "culpa", "ética", "moral", "direito" ]

null

[ "Identification", "guilt", "ethics", "morals", "law" ]

null

[ "Universidade Federal de Minas Gerais" ]

scl/1516-1498/S1516-14982005000100006.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982005000100006

10.1590/S1516-14982005000100006

PSYCHOLOGY, PSYCHOANALYSIS

Universidade de Brasília

Sedução e feminilidade em transferência

null

Seduction and femininity in transference

Celes, Luiz Augusto

2,005

1

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Buscam-se as relações entre a sedução e a transferência em psicanálise. Segue-se o desenvolvimento laplanchiano de que a transferência é provocada pelo analista, sendo essa provocação entendida ao modo de uma reativação da situação originária de sedução e passividade. Argumenta-se, então, sobre a facilitação, em psicanálise, do estabelecimento de circulação de fantasias da sexualidade "feminina", entendida também como originária. Discute-se, por fim, a presença da alteridade na relação transferencial em face da idéia, de Jacques André, do outro como o feminino.

null

This essay develops considerations on the relations between seduction and transference in psychoanalysis. Following Laplanche's suggestion, transference, in so far as it reactivates the originary situation of seduction and passivity, it is understood to be provoked by the analyst. Psychoanalysis is considered to facilitate the circulation of fantasies of "feminine" sexuality - also regarded as originary. The presence of alterity in transference is discussed from the point of view of J. André's comprehension of the other as feminine.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982005000100006&lng=en&tlng=en

19

scielo_articles/scl/1516-1498/S1516-14982005000100006.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Celes, Luiz Augusto" ]

null

[ "Transferência", "feminilidade em análise", "alteridade" ]

null

[ "Transference", "femininity in analysis", "alterity" ]

null

[ "Universidade de Brasília" ]

scl/1516-1498/S1516-14982005000100004.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982005000100004

10.1590/S1516-14982005000100004

PSYCHOLOGY, PSYCHOANALYSIS

UFR

Agressores sexuais: é possível um tratamento psicanalítico sob prescrição judicial?

null

Sexual aggressors: is a psychoanalytic treatment possible under judicial prescription?

Hachet, Amal

2,005

1

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Com base numa prática psicoterápica individual, de inspiração psicanalítica, conduzida junto a agressores sexuais presos em uma casa de detenção para homens, este estudo interpela, por um lado, os limites da inscrição de uma lógica terapêutica em um quadro repressivo, o da prisão, cujas modalidades encontram-se regidas por um enquadre legal - o da lei relativa à obrigação de tratamento - e, por outro, o paradoxo de uma terapia imposta, sustentada por uma lógica de normalização, de efeitos enganadores e à qual os agressores sexuais, sob o efeito de seu funcionamento dominado por processos de clivagem e de recusa, se submetem "de bom grado".

null

As base in an individual psychotherapeutic practice, of psychoanalytic inspiration, conduct alongside the sexual aggressor inmates in a male jail house, this study interpellates, in one hand, the limits of a subscription of a therapeutic logic in a repressive picture-case, that of the prison, which modalities are found to be ruled by a legal approach - that of the law relative to the obligation of treatment - and, on the other hand, the paradox of an imposed therapy, sustained by a normalization logic, of devious effects and to which the sexual aggressors, under the effect of its dominated functioning by process of cleavage and refusal, are submitted as in "good intentions".

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982005000100004&lng=en&tlng=en

13

scielo_articles/scl/1516-1498/S1516-14982005000100004.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Hachet, Amal" ]

null

[ "Agressores sexuais", "clivagem", "controle social", "obrigação de tratamento", "perversão sexual" ]

null

[ "Sexual aggressor", "cleavage", "social control", "treatment obligation", "sexual perversion" ]

null

[ "UFR", "Universidade de Poitiers" ]

scl/1516-1498/S1516-14982005000100013.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982005000100013

10.1590/S1516-14982005000100013

PSYCHOLOGY, PSYCHOANALYSIS

null

Dissertações de Mestrado e Teses de Doutorado/2004

null

2,005

1

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982005000100013&lng=en&tlng=en

null

scielo_articles/scl/1516-1498/S1516-14982005000100013.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

null

scl/1516-1498/S1516-14982005000100003.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982005000100003

10.1590/S1516-14982005000100003

PSYCHOLOGY, PSYCHOANALYSIS

Université de Poitiers

'Eu' devo assumir a responsabilidade do inconsciente

null

'I' should take on the unconscious responsibility

Hoffmann, Christian

2,005

1

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Desenvolve-se a idéia freudiana de que a responsabilidade do sujeito (o analisando) refere-se à coragem de deixar falar o inconsciente; a responsabilidade do psicanalista depende da resposta que ele dá à questão quem fala?.

null

It develops the Freudian idea that the subject's responsibility (the analyzed) It refers to the courage of letting the unconscious talk; the psychoanalyst's responsibility depends on the answer he gives to the question who speaks?.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982005000100003&lng=en&tlng=en

9

scielo_articles/scl/1516-1498/S1516-14982005000100003.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Hoffmann, Christian" ]

null

[ "Responsabilidade", "inconsciente", "analisando", "psicanalista" ]

null

[ "Responsibility", "unconscious", "the analyzed", "psychoanalyst" ]

null

[ "Université de Poitiers" ]

scl/1516-1498/S1516-14982005000100002.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982005000100002

10.1590/S1516-14982005000100002

PSYCHOLOGY, PSYCHOANALYSIS

Pontifícia Universidade Católica do Rio de Janeiro

Objeto e desejo em tempos de superexposição

null

Object and desire in times of super exposure

Vieira, Marcus André

2,005

1

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Interroga-se a tristeza a partir da retomada lacaniana da teorização do luto por Freud. Delimitam-se, a seguir, as bases de uma teoria lacaniana da perda, localizando a importância do objeto a e destacando-se sua função de causa do desejo. Situa-se a dor da perda em relação com a perda da função do objeto, causa do desejo, necessariamente vinculada à inacessibilidade do objeto. Aborda-se a contemporaneidade com a seguinte questão: é possível que o objeto tenha se tornado visível/acessível? Isto não implicaria em instabilidades radicais na estruturação do imaginário do corpo? Objeto e desejo em tempos de superexposição.

null

It is questioned the sadness from the Lacanian resume of the mourning theorization by Freud. It is determined, afterwards, the bases of a Lacanian theory of loss, pin pointing the importance of the object a, and setting apart its function of desire motive. It is found the pain of the loss in relation to the loss of function of the object motive of the desire. The contemporarily is approached in the following questions: Is it possible for the object to have become visible/accessible? Wouldn't that implicate in radical instability in the building of the imaginary body? Object and desire in times of super exposure.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982005000100002&lng=en&tlng=en

10

scielo_articles/scl/1516-1498/S1516-14982005000100002.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Vieira, Marcus André" ]

null

[ "Lacan", "psicanálise", "depressão", "luto", "tristeza", "objeto" ]

null

[ "Lacan", "psychoanalysis", "mourning", "depression", "sadness", "object" ]

null

[ "Pontifícia Universidade Católica do Rio de Janeiro" ]

scl/1516-1498/S1516-14982005000100001.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982005000100001

10.1590/S1516-14982005000100001

PSYCHOLOGY, PSYCHOANALYSIS

Universidade Federal do Rio Grande do Sul

Édipo entre Priapo e Prometeu

null

Oedipus between Priap and Prometheus

Rosenfield, Kathrin Holzermayr

2,005

1

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Analisa-se a insistente simbologia fálica na tragédia de Sófocles. Discute-se os elos poéticos entre as imagens da integridade física que favorecem os potenciais naturais e libidinosos (as afinidades do herói com daimones como Pã ou Sátiros) e as figuras do saber e das conquistas intelectuais (cujo herói paradigmático é Prometeu).

null

This article analyses the insistent phallic symbols in Sophocles' tragedy. It discusses the poetical links between images of physical integrity favoring natural, libidinous potentials (Oedipus' affinities with demons like Pan or Satyrs) and the figures of knowledge and intellectual achievement (whose prototype is Prometheus).

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982005000100001&lng=en&tlng=en

14

scielo_articles/scl/1516-1498/S1516-14982005000100001.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Rosenfield, Kathrin Holzermayr" ]

null

[ "Imaginário da caça", "relação natureza-cultura" ]

null

[ "Images of hunting", "relationship of images of nature and culture" ]

null

[ "Universidade Federal do Rio Grande do Sul" ]

scl/1516-1498/S1516-14982004000200010.xml

pt

book-review

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982004000200010

10.1590/S1516-14982004000200010

PSYCHOLOGY, PSYCHOANALYSIS

Uerj

As múltiplas dimensões da transferência na clínica psicanalítica

null

Lejarraga, Ana Lila

2,004

12

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982004000200010&lng=en&tlng=en

null

scielo_articles/scl/1516-1498/S1516-14982004000200010.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Lejarraga, Ana Lila" ]

null

[ "Uerj", "UFRJ" ]

scl/1516-1498/S1516-14982004000200009.xml

pt

book-review

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982004000200009

10.1590/S1516-14982004000200009

PSYCHOLOGY, PSYCHOANALYSIS

Département de Psychanalyse Paris VIII

O sagrado na modernidade, na esquerda e na prática lacaniana

null

Santos, Tania Coelho dos

2,004

12

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982004000200009&lng=en&tlng=en

null

scielo_articles/scl/1516-1498/S1516-14982004000200009.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Santos, Tania Coelho dos" ]

null

[ "Département de Psychanalyse Paris VIII", "Associação Mundial de Psicanálise", "Associação Universitária em Psicopatologia Fundamental", "Escola Brasileira de Psicanálise" ]

scl/1516-1498/S1516-14982004000200008.xml

pt

book-review

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982004000200008

10.1590/S1516-14982004000200008

PSYCHOLOGY, PSYCHOANALYSIS

UFRJ

Lacan com e sem Derrida?

null

Katz, Chaim Samuel

2,004

12

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982004000200008&lng=en&tlng=en

null

scielo_articles/scl/1516-1498/S1516-14982004000200008.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Katz, Chaim Samuel" ]

null

[ "UFRJ" ]

scl/1516-1498/S1516-14982005000100012.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982005000100012

10.1590/S1516-14982005000100012

PSYCHOLOGY, PSYCHOANALYSIS

Uerj

null

Dimensões do amor

Leite, Julia Cristina Tosto

2,005

1

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982005000100012&lng=en&tlng=en

null

scielo_articles/scl/1516-1498/S1516-14982005000100012.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Leite, Julia Cristina Tosto" ]

null

[ "Uerj" ]

scl/1516-1498/S1516-14982005000200001.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982005000200001

10.1590/S1516-14982005000200001

PSYCHOLOGY, PSYCHOANALYSIS

Université Paris Diderot-Paris 7

Psicanálise e ciências sociais

null

Psychoanalysis and social sciences

Enriquez, Eugène

2,005

12

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Este artigo busca apreciar as relações entre a psicanálise e as ciências sociais com um olhar crítico sobre os avanços referentes ao campo de estudos psicanalíticos ligado ao social, bem como aos estudos sociológicos permeados por um referencial psicanalítico, desde Freud até hoje em dia. O artigo se calca principalmente na defesa da abordagem psicanalítica no plano social, mostrando que não se trata de um uso inadequado da psicanálise, mas sim do fato de não ser possível pensar numa psicanálise fora daquele plano, uma vez que a constituição do sujeito se faz justamente pela entrada no social.

null

This article attempts to research the relations between psychoanalysis and social sciences with a critical sight on the advances concerning the field of psychoanalytical studies related to social subjects as well as that of sociological studies influenced by psychoanalysis, since Freud until nowadays. The article is based specially on the defense of the psychoanalytical approach of the social field, showing that it's not about an inadequate use of the psychoanalysis, but the fact that it's not possible to think in a psychoanalysis outside that field once the constitution of the subject is made exactly by the entrance in the social field.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982005000200001&lng=en&tlng=en

45

scielo_articles/scl/1516-1498/S1516-14982005000200001.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Enriquez, Eugène" ]

null

[ "Psicanálise", "ciências sociais", "Freud" ]

null

[ "Psychoanalysis", "social sciences", "Freud" ]

null

[ "Université Paris Diderot-Paris 7" ]

scl/1516-1498/S1516-14982006000100006.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000100006

10.1590/S1516-14982006000100006

PSYCHOLOGY, PSYCHOANALYSIS

Sociedade de Psicanálise Iracy Doyle

Pulsão de morte como efeito de supereu

null

Death drive as an effect of the superego

Rudge, Ana Maria

2,006

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Diante da relativa indefinição da noção de pulsão de morte, assim como das grandes controvérsias a que deu lugar, a autora sugere que ao cunhar essa noção Freud apenas sinalizou sua preocupação com os fatos clínicos que ainda não tinha levado convenientemente em conta, e que só depois, com o desenvolvimento da teoria do supereu, ele consegue de fato cunhar ferramentas teóricas para a clínica dos quadros de atração pelo sofrimento e pela dor.

null

In face of the relative indetermination of the notion of death drive, as well as of the great controversies it provoked, the author suggests that when Freud first presented this notion he only signaled his concern with clinical facts which had not been taken conveniently into account. Only later, with the development of the theory of the superego, he succeeded in obtaining theoretical tools for the clinic of the attraction for suffering and pain.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000100006&lng=en&tlng=en

16

scielo_articles/scl/1516-1498/S1516-14982006000100006.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Rudge, Ana Maria" ]

null

[ "Supereu", "pulsão de morte", "destrutividade", "história", "energia" ]

null

[ "Superego", "death drive", "destructivity", "history", "energy" ]

null

[ "Sociedade de Psicanálise Iracy Doyle", "Pontifícia Universidade Católica do Rio de Janeiro", "Pontifícia Universidade Católica do Rio de Janeiro" ]

scl/1516-1498/S1516-14982005000200010.xml

pt

book-review

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982005000200010

10.1590/S1516-14982005000200010

PSYCHOLOGY, PSYCHOANALYSIS

Universidade Federal do Rio de Janeiro

Atualidade e pertinência clínica do texto de Freud

null

Bastos, Angélica

2,005

12

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982005000200010&lng=en&tlng=en

null

scielo_articles/scl/1516-1498/S1516-14982005000200010.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Bastos, Angélica" ]

null

[ "Universidade Federal do Rio de Janeiro" ]

scl/1516-1498/S1516-14982006000100005.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000100005

10.1590/S1516-14982006000100005

PSYCHOLOGY, PSYCHOANALYSIS

Instituto Sedes Sapientiae

A recodificação pós-moderna da perversão: sobre a produção do comportamento de consumo e sua gramática libidinal

null

The post-modern recodification of perversion: on the production of consumer behavior and its libidinal grammar

Silva Junior, Nelson da

2,006

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Considerando a crítica de Adorno à indústria cultural, a qual torna a cultura um meio de produção do comportamento de consumo, tentamos demonstrar como a gramática da perversão tende a monopolizar as formas de prazer na pós-modernidade. De acordo com nossa hipótese, a produção de consumo recodifica o recalcamento originário concebido por Freud: tal gramática suprime a satisfação libidinal de forma análoga à repressão primária, contudo, ao invés de utilizar as tensões insatisfeitas da libido para o trabalho, ela direciona a satisfação erótica para o prazer de consumir. Desta forma, ela formata a satisfação perversa para que esta se coadune com os interesses da economia.

null

Assuming Theodore Adorno's criticism about the cultural industry, which turns it into a means of production of consumer behavior, we try to demonstrate how the grammar of perversion tends to monopolize the forms of pleasure in post-modernity. According to our hypothesis, consumer production recodifies the primal repression conceived by Freud: that grammar suppresses libidinal satisfaction in the same manner that primal repression does. However, instead of utilizing dissatisfied powers of the libido into work, such grammar directs erotic surfeit towards the pleasure of consuming: this way, it follows the perverse model of satisfaction in order to attend the economic interests.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000100005&lng=en&tlng=en

22

scielo_articles/scl/1516-1498/S1516-14982006000100005.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Silva Junior, Nelson da", "Lirio, Daniel Rodrigues" ]

null

[ "Consumo", "recalcamento originário", "indústria cultural", "sublimação", "libido" ]

null

[ "Consumers", "primal repression", "cultural industry", "sublimation", "libido" ]

null

[ "Instituto Sedes Sapientiae", "Universidade de São Paulo", "Universidade Paris VII", "Associação Universitária de Pesquisa em Psicopatologia Fundamental", "Universidade de São Paulo" ]

scl/1516-1498/S1516-14982006000100004.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000100004

10.1590/S1516-14982006000100004

PSYCHOLOGY, PSYCHOANALYSIS

Universidade do Estado do Rio de Janeiro

A transexualidade e a gramática normativa do sistema sexo-gênero

null

Transsexuality and normative grammar of the sex-gender systems

Arán, Márcia

2,006

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Este trabalho tem como objetivo analisar o discurso sobre a transexualidade na psiquiatria e na psicanálise. Em linhas gerais, o transexualismo é considerado uma patologia por ser definido como um "transtorno de identidade", dada a não-conformidade entre sexo e gênero. Por outro lado, ele também pode ser considerado uma psicose graças à suposta recusa da diferença sexual. O que define este diagnóstico é uma concepção normativa dos sistemas de sexo-gênero, a qual se converte em um sistema regulador da sexualidade. Discutem-se as possibilidades de uma reflexão crítica na psicanálise que permita o descolamento da transexualidade deste território normativo da patologização.

null

The objective of this paper is to analyze the transsexual in psychiatry and partly in psychoanalysis. It can be observed that transsexual is referred to as pathology being that it is considered an "identity disorder", given the non-conformity between sex and gender. On the other hand, it can also be considered a psychosis owing to the refusal of sexual difference. What defines the diagnosis of transsexual is a normative conception of the gender-sex systems, which is converted onto a regulating system of sexuality. In spite of the complexity of this issue, this paper discusses the possibilities of a critical reflection in psychoanalyze that allows for the detachment of transsexuality in this normative territory of pathologization.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000100004&lng=en&tlng=en

45

scielo_articles/scl/1516-1498/S1516-14982006000100004.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Arán, Márcia" ]

null

[ "Transexualidade", "subjetividade", "sexo", "gênero", "psicanálise" ]

null

[ "Transsexuality", "subjectivity", "sex", "gender", "psychoanalysis" ]

null

[ "Universidade do Estado do Rio de Janeiro", "Espaço Brasileiro de Estudos Psicanalíticos" ]

scl/1516-1498/S1516-14982006000100003.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000100003

10.1590/S1516-14982006000100003

PSYCHOLOGY, PSYCHOANALYSIS

Universidade de São Paulo

Ética e política: a psicanálise diante da realidade, dos ideais e das violências contemporâneos

null

Ethics and politics: psychoanalysis in face of contemporary reality, ideals and violence

Rosa, Miriam Debieux

2,006

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Procura-se demonstrar como os discursos a que são expostos os sujeitos do capitalismo avançado indicam um modo de laço que empurra o sujeito violentamente ao gozo, seja sob a forma de consumo e lucro, seja sob a forma de sofrimento. Sua estratégia é propor aos sujeitos uma realidade posta (imposta), que os abstém dos dilemas éticos, o que gera, para além do mal-estar, violências. Ressituar o sujeito e a ética como elementos indissociáveis aponta para uma política de resistência à instrumentalização social do gozo.

null

The article demonstrates how the speach of post-capitalist subjects underpins a type of social bond in which they see themselves immersed in a culture that violently thrusts them toward enjoyment (jouissance) in the form of either consumption and profit or suffering. Its strategy relies on proposing the suspension of ethical dilemmas to subjects submitted to the posed (imposed) reality. Besides discontents, that results in violence. Resituating both subjects and ethics as indissoluble elements points to a resistance policy to the social instrumentalization of enjoyment.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000100003&lng=en&tlng=en

16

scielo_articles/scl/1516-1498/S1516-14982006000100003.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Rosa, Miriam Debieux", "Carignato, Taeco Toma", "Berta, Sandra Letícia" ]

null

[ "Ética", "política", "violência", "psicanálise", "fantasia social" ]

null

[ "Ethics", "politics", "violence", "psychoanalysis", "social fantasy" ]

null

[ "Universidade de São Paulo", "Universidade de São Paulo", "EPFCL-SP", "Pontifícia Universidade Católica de São Paulo", "Pontifícia Universidade Católica de São Paulo", "Universidade de São Paulo" ]

scl/1516-1498/S1516-14982006000100002.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000100002

10.1590/S1516-14982006000100002

PSYCHOLOGY, PSYCHOANALYSIS

Universidade de Poitiers

Entre prevenir e normalizar, que lugar terá o sofrimento da criança?

null

Between prevention and normalization, what place shall be given to the child's suffering?

Hachet, Amal

2,006

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Trata-se de discutir, por meio da observação de um menino de 4 anos, recebido em psicoterapia dentro das consultas de Buttes-Chaumont, o paradoxo inerente à expectativa social ante o analista de crianças: uma normalização.

null

Through the observation of a four-year-old boy taken in psychotherapy in the frame of Buttes-Chaumont consultation, the author discusses the inherent paradox of the social expectation in front of the children's analyst: a normalization.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000100002&lng=en&tlng=en

3

scielo_articles/scl/1516-1498/S1516-14982006000100002.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Hachet, Amal" ]

null

[ "Abuso sexual", "normalização", "distúrbio de conduta na criança", "psicanálise", "subjetividade" ]

null

[ "Sexual abuse", "normalization", "behavior disorder in children", "psychoanalysis", "subjectivity" ]

null

[ "Universidade de Poitiers", "Université Paris-Sorbonne 5", "Espace Analytique" ]

scl/1516-1498/S1516-14982006000100001.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000100001

10.1590/S1516-14982006000100001

PSYCHOLOGY, PSYCHOANALYSIS

Centre National de la Recherche Scientifique

Subjetividades e aspirações: os movimentos de juventude na Alemanha (1918-1933)

null

Subjectivities and aspirations: the movements of German youth (1918-1933)

Haroche, Claudine

2,006

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

As sociedades contemporâneas apresentam formas paradoxais e inéditas de vínculo e de como se constituir em comunidade. A oscilação entre a fusão e o medo do contato, característica do modo de vínculo contemporâneo, traduz um deslocamento do espírito de corpo. Pretende-se, aqui, através da discussão dos modelos de comportamento e tipos de aspiração psicológica, afetiva e moral, presentes nas associações profissionais, nas confrarias e nos movimentos de jovens - e em particular por meio do estudo dos movimentos de juventude da Alemanha pós-guerra de 1914 - considerar os mecanismos de funcionamento das sociedades contemporâneas e alguns de seus fenômenos, tais como o culto à juventude, o espírito clânico e os movimentos sectários.

null

The contemporary societies present paradox and new forms of links and of how to construct itself in a community. An oscillation between fusion and fear of contact, characteristic of the way of the contemporary link, translates a displacement of the body's spirit. It is intended, here, through the discussion of contemporary models and types of psychological aspiration, affectionate and moral, present in the professional associations, in the brotherhood and youth movements - and in particular by the ways of studying the German youth movements post 1914 war - to consider the functional mechanisms of contemporary society and some of its phenomenons, such as the youth cult, the brotherhood spirit and the sectarian movements.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000100001&lng=en&tlng=en

39

scielo_articles/scl/1516-1498/S1516-14982006000100001.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Haroche, Claudine" ]

null

[ "Espírito de corpo", "movimentos de juventude", "comunidade estética" ]

null

[ "Body's spirit", "youth movement", "aesthetic community" ]

null

[ "Centre National de la Recherche Scientifique" ]

scl/1516-1498/S1516-14982005000200011.xml

pt

book-review

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982005000200011

10.1590/S1516-14982005000200011

PSYCHOLOGY, PSYCHOANALYSIS

Pontifícia Universidade Católica - SP

À procura do estabelecimento de trânsito e mobilidade

null

Santi, Pedro Luiz Ribeiro de

2,005

12

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982005000200011&lng=en&tlng=en

null

scielo_articles/scl/1516-1498/S1516-14982005000200011.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Santi, Pedro Luiz Ribeiro de" ]

null

[ "Pontifícia Universidade Católica - SP", "Escola Superior de Propaganda e Marketing" ]

scl/1516-1498/S1516-14982007000100005.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982007000100005

10.1590/S1516-14982007000100005

PSYCHOLOGY, PSYCHOANALYSIS

Universidade Federal de Minas Gerais

Crônica de um fim anunciado: o debate entre Freud e Jung sobre a teoria da libido

null

Chronicle of an announced end: the debate between Freud and Jung on the theory of the libido

Pinto, Kátia Mariás

2,007

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Este artigo enfoca o histórico da parceria de Freud e Jung no trabalho com psicóticos, e as divergências anunciadas desde as primeiras correspondências trocadas por eles sobre o papel da sexualidade na vida psíquica do indivíduo. O debate com Fliess sobre a sexualidade se constitui como o pano de fundo para todo o desenvolvimento da parceria com Jung. A hipótese central deste artigo é a de que o conceito de libido foi, certamente, um ponto crucial que definiu os rumos da psicanálise em relação à sua concepção do mecanismo causal das psicoses.

null

This article focuses on the historical partnership between Freud and Jung in their work with psychotics, and the outlined differences from their very first mail exchanged about the role of sexuality in individual's psychic life. The debate with Fliess about sexuality is the background for the whole development of the partnership with Jung. The main hypothesis of this article is that the concept of libido was, definitely, a crucial point that had defined the way of psychoanalysis towards its conception of the casual mechanism of psychosis.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982007000100005&lng=en&tlng=en

25

scielo_articles/scl/1516-1498/S1516-14982007000100005.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Pinto, Kátia Mariás" ]

null

[ "Freud e Jung", "teoria da libido", "psicose" ]

null

[ "Freud and Jung", "libido theory", "psychosis" ]

null

[ "Universidade Federal de Minas Gerais", "Escola Brasileira de Psicanálise" ]

scl/1516-1439/S1516-14392024000200217.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392024000200217

10.1590/1980-5373-mr-2023-0560

ENGINEERING, CHEMICAL

Universidade Federal de São João del-Rei

null

Localized Corrosion Resistance Assessment of 11 Alloys in the Presence of DBNPA Biocide: A Material Compatibility Study

Santos, Luan C.

2,024

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

Microbiologically influenced corrosion is a common problem in the oil and gas industry. It is a type of corrosion induced by biofilm-forming microorganisms such as sulfate-reducing bacteria which produces corrosive compounds as a product of their respiration. The most indicated treatment for the issue is the use of biocides, chemical substances used to kill microbes. However, biocides are corrosive to many materials, making their selection a problem. The 2,2-dibromopropanediamide (BDNPA) is a biocide used to control the growth of a wide range microorganisms. There is a literature gap for selecting materials that can be used with DBNPA Biocide without risk of corrosion. Hence, this research is dedicated to investigating the corrosion behaviour of commonly used alloys in a DBNPA solution. This work evaluated 11 alloys commonly used in the laboratory for the manufacture of instrumentation piping. Anodic polarization tests and 30 days immersion tests were carried out in a 100% DBNPA solution at two temperatures (25 and 40 ºC). Among the analysed alloys, only 4 were approved by the tests in all tested temperature ranges (Titanium Grade 2, Hastelloy C276, Inconel 625 and Superduplex Steel SAF 2507). These alloys did not present a localized corrosion process in any of the 30-day immersion tests, in addition, they obtained a significant passivation domain in the anodic polarization test at 40 ºC. The remaining alloys (AISI 304, AISI 316, AISI 317, AISI 321, AISI 347, Monel 400) were not approved in all temperature ranges tested for transport and storage of 100% BDNPA biocide solution.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392024000200217&lng=en&tlng=en

22

scielo_articles/scl/1516-1439/S1516-14392024000200217.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Santos, Luan C.", "Souza, Rhuãn C.", "Moreira, Gabriela P.C.", "Masalla, Carlos E.V.", "Oliveira, Jefferson R.", "Vilalta-Alonso, Guillermo", "Bueno, Alysson H.S." ]

null

[ "Localized corrosion", "Biocides", "DBNPA" ]

null

[ "Universidade Federal de São João del-Rei", "Universidade Federal de São João del-Rei", "Universidade Federal de São João del-Rei", "Petrobras S.A." ]

scl/1516-1498/S1516-14982007000100006.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982007000100006

10.1590/S1516-14982007000100006

PSYCHOLOGY, PSYCHOANALYSIS

Pontifícia Universidade Católica do Rio Grande do Sul

Trauma, dor e ato: o olhar da psicanálise sobre uma tentativa de suicídio

null

Trauma, pain and act: a psychoanalytic look on the attempt of suicide

Macedo, Mônica Medeiros Kother

2,007

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

As relações existentes entre trauma, dor psíquica e ato são abordadas por meio da análise do caso clínico de uma pessoa que efetivou uma tentativa de suicídio. Explora-se a inter-relação entre o traumático, a ruptura das barreiras de proteção ao psiquismo e o predomínio do irrepresentável que tem como conseqüência o ato de tentar tirar a própria vida. A partir da metapsicologia psicanalítica, nomeia-se a tentativa de suicídio como um ato-dor.

null

The existing relations among trauma, psychic pain and act are approached by means of the analysis of the clinical case of a person that has performed a suicide attempt. The inter-relation among the traumatic, the breaking of the psyche protection barriers and the prevalence of the "unrepresentative" contents predominance that as a consequence produces the act of trying to take one's own life. Through psychoanalytic metapsychology a suicide attempt is named as a pain-act.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982007000100006&lng=en&tlng=en

22

scielo_articles/scl/1516-1498/S1516-14982007000100006.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Macedo, Mônica Medeiros Kother", "Werlang, Blanca Susana Guevara" ]

null

[ "Trauma", "dor psíquica", "tentativa de suicídio", "ato-dor", "metapsicologia psicanalítica" ]

null

[ "Trauma", "psychic pain", "attempt of suicide", "pain act", "psychoanalytic metapsychology" ]

null

[ "Pontifícia Universidade Católica do Rio Grande do Sul", "Pontifícia Universidade Católica do Rio Grande do Sul", "Sociedad Psicoanalítica del Sur de Buenos Aires", "Pontifícia Universidade Católica do Rio Grande do Sul", "Universidade Estadual de Campinas", "Ministério da Saúde" ]

scl/1516-1498/S1516-14982007000100008.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982007000100008

10.1590/S1516-14982007000100008

PSYCHOLOGY, PSYCHOANALYSIS

null

Memória do programa de pós-graduação em teoria psicanalítica

null

Garcia-Roza, Luiz Alfredo

2,007

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982007000100008&lng=en&tlng=en

null

scielo_articles/scl/1516-1498/S1516-14982007000100008.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Garcia-Roza, Luiz Alfredo" ]

null

scl/1516-1439/S1516-14392024000200219.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392024000200219

10.1590/1980-5373-mr-2024-0270

ENGINEERING, CHEMICAL

Instituto Nacional de Tecnologia

null

Effect Investigation of Ammonium Bicarbonate and Polyethylene Wax as Pore-Forming Agents on the Physicochemical Properties of Macroporous Biphasic Calcium Phosphate Bioceramics Processed by Space-Holder Technique

Ribeiro, Alexandre Antunes

2,024

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

The effect of ammonium bicarbonate (AB) and polyethylene wax (PW) on the physicochemical properties of macroporous biphasic calcium phosphate bioceramics (BCPs) processed by space-holder technique was investigated. BCP powder was mixed with AB and PW and, then, uniaxially cold-pressed at 300 MPa. AB and PW were eliminated by heat treatment at 170°C for 2 hours or 550°C for 4 hours, respectively. Subsequently, the samples were air-sintered at 1070ºC for 2 hours. The results revealed that AB is more attractive than PW due to its lower degradation temperature, which has avoided the formation of undesirable phases. In addition, it favored an adequate consolidation of the particles with the formation of sintering necks that provided a better mechanical resistance to handling. The samples with AB also presented the formation of uniformly distributed macro and microporosity in great extension, which is shown by literature as a fundamental combination to stimulate cells/scaffold interaction.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392024000200219&lng=en&tlng=en

59

scielo_articles/scl/1516-1439/S1516-14392024000200219.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Ribeiro, Alexandre Antunes", "Balbuena, Omayra Beatriz Ferreiro", "Lima, Andreza Menezes", "Alves, Lais de Souza", "Monteiro, Magna Maria", "Oliveira, Marize Varella de", "Pereira, Luiz Carlos" ]

null

[ "Biphasic calcium phosphate", "pore-forming agent", "space-holder technique", "macroporous bioceramics", "biomaterials" ]

null

[ "Instituto Nacional de Tecnologia", "Universidade Federal do Rio de Janeiro", "Universidad Nacional de Asunción" ]

scl/1516-1498/S1516-14982006000200010.xml

pt

book-review

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000200010

10.1590/S1516-14982006000200010

PSYCHOLOGY, PSYCHOANALYSIS

UFRJ

Psicanálise: um discurso que não é só semblante!

null

Lopes, Rosa Guedes

2,006

12

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000200010&lng=en&tlng=en

null

scielo_articles/scl/1516-1498/S1516-14982006000200010.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Lopes, Rosa Guedes" ]

null

[ "UFRJ", "EBP-RJ" ]

scl/1516-1498/S1516-14982006000200009.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000200009

10.1590/S1516-14982006000200009

PSYCHOLOGY, PSYCHOANALYSIS

Universidade Paris VII - Denis Diderot

Temos medo de quê?

null

What do we fear?

Vanier, Alain

2,006

12

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

O enfraquecimento contemporâneo das figuras tutelares tem como correlato certa escalada do medo. Contudo, a psicanálise apostará em outra via que não a da restauração do pai do patriarcado. A fim de pensar tal via, articula-se, aqui, as diferentes categorias do medo, considerando-se as formas tomadas por este termo no curso da História, bem como suas inflexões contemporâneas na relação com o laço social.

null

The contemporary weakning of the tutelaring figures holds a corrilation to a fear scale. However, the psychoanalysis will bet on other means that not the one of the restauration of the patriarchate father. In order to think such a mean, it is here argued the different categories of fear, considering the forms taken by this term in the course of History, as well as its contemporary inflections in the relation with social bonds.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000200009&lng=en&tlng=en

18

scielo_articles/scl/1516-1498/S1516-14982006000200009.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Vanier, Alain" ]

null

[ "Medo", "angústia", "pai", "gozo", "ciência" ]

null

[ "Fear", "anguish", "father", "joy", "science" ]

null

[ "Universidade Paris VII - Denis Diderot" ]

scl/1516-1498/S1516-14982006000200008.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000200008

10.1590/S1516-14982006000200008

PSYCHOLOGY, PSYCHOANALYSIS

Universidade Federal do Rio de Janeiro

Psicanálise e ciência

null

Psychoanalysis and science

Calazans, Roberto

2,006

12

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Apresentam-se as razões pelas quais tanto o pensamento científico quanto o pensamento psicanalítico recusam o realismo em todos os seus matizes para pensar o que estrutura uma experiência. Desta análise, extrai-se como conseqüência a irredutibilidade de qualquer tratamento do sujeito por meio de um processo de objetivação, demarcando assim o campo de atuação próprio aos problemas pensados e tratados pela psicanálise. Tira-se também como conseqüência que esta irredutibilidade da psicanálise a uma objetivação não torna a psicanálise incompatível com o mundo científico, ao contrário, esta disjunção se dá exatamente pela compatibilidade lógica entre o pensamento psicanalítico e o pensamento científico.

null

This article shows the reasons through which the scientific thought as well as the psychoanalytic thought deny the realism in all its basis in order to think what structures an experience. The irreductability of any treatment of the subject through the means of an objective process is extracted from this analysis by the author; therefore, drawing the field of the problems which are thought and treated by psychoanalysis. Furthermore, this objective psychoanalytic process doesn't make psychoanalysis incompatible with the scientific world; in fact, this disjunction just happens through the logics between the psychoanalytic thought and the scientific thought.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000200008&lng=en&tlng=en

16

scielo_articles/scl/1516-1498/S1516-14982006000200008.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Calazans, Roberto" ]

null

[ "Sujeito", "psicanálise", "realismo" ]

null

[ "Subject", "Psychoanalysis", "realism" ]

null

[ "Universidade Federal do Rio de Janeiro", "Universidade Federal de São João Del Rei" ]

scl/1516-1498/S1516-14982006000200007.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000200007

10.1590/S1516-14982006000200007

PSYCHOLOGY, PSYCHOANALYSIS

Universidade Federal de Minas Gerais

A comédia e a ruptura dos semblantes: notas sobre "As nuvens", em Lituraterra

null

The comedy and the rupture of semblants: comments on "Clouds" in Lituraterre

Rubião, Laura Lustosa

2,006

12

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

O presente artigo retoma o trecho do texto Lituraterra, em que Lacan se refere à comédia As nuvens, de Aristófanes, com o propósito de ampliar suas possibilidades de leitura, por meio do retorno à peça do comediógrafo grego e a outras referências da obra lacaniana sobre a comédia. O texto deverá mostrar em que medida o recurso à comédia, compreendido a partir do instrumental teórico da Psicanálise, opera em favor de um movimento denominado por Lacan "a ruptura dos semblantes", engendrando uma nova maneira de conectar o significante ao gozo.

null

This article reviews the part of Lacan's Lituraterre where the author mentions Aristophane's comedy Clouds. We want to enlarge its reading possibilities through the return to Aristophane's play and also, to other references of Lacanian work on comedy. We will show how the psychoanalysis' vision of comedy is connected to something called by Lacan as the rupture of semblants, creating a new way of linking the significant to the jouissance.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000200007&lng=en&tlng=en

13

scielo_articles/scl/1516-1498/S1516-14982006000200007.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Rubião, Laura Lustosa" ]

null

[ "Lacan", "comédia", "semblante", "significante", "gozo" ]

null

[ "Lacan", "comedy", "semblant", "significant", "jouissance" ]

null

[ "Universidade Federal de Minas Gerais", "Universidade Estadual de Campinas" ]

scl/1516-1498/S1516-14982006000200006.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000200006

10.1590/S1516-14982006000200006

PSYCHOLOGY, PSYCHOANALYSIS

Anpepp

A negação lógica e a lógica do sujeito

null

The logic negation and the logic of the subject

D'Agord, Marta

2,006

12

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Apresenta-se um estudo sobre a produtividade do conceito de negação para a teoria psicanalítica. Se em Freud observamos que a Lógica exerce um importante papel comparativo, em Lacan, a Lógica oferece instrumentos para pensar o sujeito do inconsciente. O trabalho toma como ponto de partida duas acepções de negação, a negação dos contrários e a negação dos contraditórios. Essas duas acepções são analisadas nos campos da lógica e da psicanálise. A partir da análise lacaniana do conceito de negação em Lógica e em Freud, mostra-se como Lacan produz uma lógica do sujeito do inconsciente a partir da lógica moderna.

null

This article presents a study on the productivity of the concept of negation for the psychoanalytical theory. If in Freudian works, we observe that the Logic exerts an important comparative paper, in Lacanian field, the Logic offers instruments to think the subject of the unconscious. The work takes, as starting point, two negation meanings, the negation of the contrary and the negation of the contradictory. These two meanings are analyzed in the logic and psychoanalytical fields. The article presents the Lacanian analysis of the Freudian concept of negation and the Logic concept of negation. The study reveals as Lacan produces a logic of the subject of the unconscious based on the modern logic.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000200006&lng=en&tlng=en

28

scielo_articles/scl/1516-1498/S1516-14982006000200006.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "D'Agord, Marta" ]

null

[ "Psicanálise", "lógica", "negação" ]

null

[ "Psychoanalysis", "logic", "negation" ]

null

[ "Anpepp", "Associação Universitária de Pesquisa em Psicopatologia Fundamental", "Universidade Federal do Rio Grande do Sul", "Universidade Federal do Rio Grande do Sul" ]

scl/1516-1498/S1516-14982006000200005.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000200005

10.1590/S1516-14982006000200005

PSYCHOLOGY, PSYCHOANALYSIS

Universidade Federal de Minas Gerais

As eróticas lacanianas e a inexistência do outro

null

Lacanian erotics and non-existence of the other

Holck, Ana Lucia Lutterbach

2,006

12

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Considerando que, na atualidade, a ordem social sofre uma radical transformação decorrente do declínio da função paterna e dos ideais, e que isto exige a invenção de um laço social diferente do estabelecido nas fórmulas tradicionais, a tese central deste artigo é de que há uma erótica a partir de um novo enlace com o feminino. Definem-se, pois, as linhas que condicionariam essa erótica orientada pela impossibilidade de complementaridade na relação entre os sexos. Os pontos essenciais dessa nova modalidade de gozo são ressaltados com comentários sobre uma situação exemplar retirada da literatura.

null

The central thesis points out that there is erotic based on new links with feminine, due to the fact that new social encirclements, distant from traditional, are being developed nowadays as a consequence of major changes in social order caused by the fall of paternal functions and of some well established ideals. It also defines the lines which condition this erotic guided by the impossibility of a complementary relation between the two sexes. Stress is made on the basic points of this new kind of rejoice by means of commented example chosen from world literature.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000200005&lng=en&tlng=en

27

scielo_articles/scl/1516-1498/S1516-14982006000200005.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Holck, Ana Lucia Lutterbach" ]

null

[ "Erótica", "gozo", "feminino" ]

null

[ "Erotic", "rejoicing", "feminine" ]

null

[ "Universidade Federal de Minas Gerais", "Escola Brasileira de Psicanálise", "Associação Mundial de Psicanálise", "URFJ" ]

scl/1516-1498/S1516-14982006000200004.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000200004

10.1590/S1516-14982006000200004

PSYCHOLOGY, PSYCHOANALYSIS

Universidade Federal de São Carlos

Compulsão à repetição: um retorno às origens da metapsicologia freudiana

null

Repetition compulsion: a return to the origins of Freudian metapsychology

Caropreso, Fátima

2,006

12

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Este trabalho propõe-se a mostrar como o conceito de compulsão à repetição, introduzido formalmente na teoria psicanalítica por Freud em Além do princípio do prazer (1920), encontra-se já presente, numa formulação muito próxima, no Projeto de uma psicologia, de 1895, e que seu sentido depende do quadro conceitual que começa a tomar forma nesse momento. Pretende-se, assim, contribuir para a discussão mais geral em torno do problema da gênese das concepções fundamentais da metapsicologia freudiana e exemplificar como o tournant do início dos anos 1920 pode ser melhor compreendido como um retorno a certos aspectos do pensamento inicial de Freud.

null

This paper purposes to show that the concept of repetition compulsion, formally introduced in the psychoanalytical theory in Freud's Beyond the pleasure's principle (1920), is already present, in a formulation much alike, in the Project for a psychology of 1895 and that its meaning depends on the conceptual framework that first takes shape at this time. It thus intends to contribute in the more general discussion about the origins of the fundamental concepts of Freudian metapsychology and exemplify how the tournant in the beginnings of the twenties may be best understood as a return to certain aspects of Freud's early thought.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000200004&lng=en&tlng=en

10

scielo_articles/scl/1516-1498/S1516-14982006000200004.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Caropreso, Fátima", "Simanke, Richard Theisen" ]

null

[ "Freud", "metapsicologia", "compulsão à repetição", "processo primário", "princípio do prazer" ]

null

[ "Freud", "metapsychology", "repetition compulsion", "primary processes", "pleasure principle" ]

null

[ "Universidade Federal de São Carlos", "Universidade Federal de São Carlos" ]

scl/1516-1498/S1516-14982006000200003.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000200003

10.1590/S1516-14982006000200003

PSYCHOLOGY, PSYCHOANALYSIS

Espaço Brasileiro de Estudos Psicanalíticos

Estrutura e temporalidade na psicologia e na psicanálise

null

Structure and temporality in psychology and psychoanalysis

Fortes, Isabel

2,006

12

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Pretende-se fazer uma diferenciação entre a forma como a estrutura é vista pela psicologia e a maneira como é concebida pela psicanálise, com o intuito de analisar a especificidade da noção de estrutura na teoria psicanalítica e a sua importância no que diz respeito à questão da temporalidade. Para isso, a estrutura psicológica é vista, primeiramente, a partir do gestaltismo psicológico, um estruturalismo sem gênese, e, depois, na teoria piagetiana, que introduz a gênese na estrutura. Na estrutura psicanalítica, a temporalidade é da ordem da atualização, como se pode atestar no conceito de a posteriori (o Nachträglichkeit).

null

The article intends to distinguish the way structure is regarded by psychology from the way it is conceived in psychoanalysis, with the aim of analyzing the specificity of the idea of structure in psychoanalytical theory and its importance in relation to temporality. To this effect, psychological structure is seen firstly from the point of view of psychological Gestaltism, a structuralism without genesis, and secondly, in Piagetian theory, which introduces genesis into structure. In psychoanalytical structure temporality is of the order of actualization, as it can be seen in the concept of a posteriori (Nachträglichkeit).

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000200003&lng=en&tlng=en

16

scielo_articles/scl/1516-1498/S1516-14982006000200003.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Fortes, Isabel" ]

null

[ "Estrutura", "temporalidade", "gestaltismo", "teoria piagetiana", "estrutura psicanalítica" ]

null

[ "Structure", "Temporality", "Gestaltism", "Piagetian theory", "Psychoanalytical structure" ]

null

[ "Espaço Brasileiro de Estudos Psicanalíticos", "Universidade Federal do Rio de Janeiro" ]

scl/1516-1498/S1516-14982006000200002.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000200002

10.1590/S1516-14982006000200002

PSYCHOLOGY, PSYCHOANALYSIS

Universidade Católica de Pernambuco

Reflexões acerca das novas formas de parentalidade e suas possíveis vicissitudes culturais e subjetivas

null

Reflexions about the new parenthood arrangements and its consequences upon culture and subjectivity

Amazonas, Maria Cristina Lopes de Almeida

2,006

12

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Propõe-se uma discussão sobre o impacto cultural e subjetivo provocado pelas novas formas de parentalidade, promovidas a partir das mudanças na família e nos papéis parentais e de gênero masculino e feminino, do controle sobre a procriação, das novas biotecnologias, e outros fatores, assim como suas repercussões sobre o grupo familiar e os processos de subjetivação. Defende-se a tese de que, independentemente da configuração familiar, o fundamental é que as crianças sejam cuidadas e desejadas, e que exista uma presença que ofereça a elas um lugar configurado com seus limites.

null

This article discusses the consequences upon culture and subjectivity caused by the new parenthood arrangements, which comes from new family arrangements, changes in parental roles and gender, procreation control, the development of biotechnologies, among other events, and their consequences on family group and on the process of becoming a person. It defends the following thesis: in any family groups arrangements, what is fundamental is that children must be wanted, beloved, cared for, and there must be someone who gives them a place and also who provides them limits.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000200002&lng=en&tlng=en

16

scielo_articles/scl/1516-1498/S1516-14982006000200002.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Amazonas, Maria Cristina Lopes de Almeida", "Braga, Maria da Graça Reis" ]

null

[ "Família", "parentalidade", "subjetivação infantil" ]

null

[ "Family", "parenthood", "infants subjectivities" ]

null

[ "Universidade Católica de Pernambuco" ]

scl/1516-1498/S1516-14982006000200001.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000200001

10.1590/S1516-14982006000200001

PSYCHOLOGY, PSYCHOANALYSIS

Universidade de Poitiers

A autoridade e a questão do pai

null

The authority and the father issue

Hoffmann, Christian

2,006

12

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

A especificidade da abordagem psicanalítica da autoridade reside no fato de esta abordagem reconhecer a autoridade da palavra. Procura-se considerar, aqui, a autoridade da palavra em sua relação com o pai, à medida que a autoridade encontra seu fundamento inconsciente no significante da lei.

null

The specificity of the psychoanalytic approach to authority dwells on the fact that approach acknowledges the authority of the word. In this paper the author takes into account the authority of the word in its relation to the father, as the authority finds its unconscious foundation in the signifier of the law.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000200001&lng=en&tlng=en

6

scielo_articles/scl/1516-1498/S1516-14982006000200001.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Hoffmann, Christian" ]

null

[ "Autoridade", "pai", "lei" ]

null

[ "Authority", "father", "law" ]

null

[ "Universidade de Poitiers" ]

scl/1516-1498/S1516-14982006000100014.xml

pt

abstract

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000100014

10.1590/S1516-14982006000100014

PSYCHOLOGY, PSYCHOANALYSIS

null

Dissertações de Mestrado e Teses de Doutorado/2005

null

2,006

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000100014&lng=en&tlng=en

null

scielo_articles/scl/1516-1498/S1516-14982006000100014.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

null

scl/1516-1498/S1516-14982006000100013.xml

pt

book-review

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000100013

10.1590/S1516-14982006000100013

PSYCHOLOGY, PSYCHOANALYSIS

Escola Brasileira de Psicanálise-Seção Rio

O ensino da clínica das psicoses

null

Bernardes, Angela C.

2,006

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000100013&lng=en&tlng=en

null

scielo_articles/scl/1516-1498/S1516-14982006000100013.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Bernardes, Angela C." ]

null

[ "Escola Brasileira de Psicanálise-Seção Rio", "Universidade Federal Fluminense" ]

scl/1516-1498/S1516-14982006000100012.xml

pt

book-review

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000100012

10.1590/S1516-14982006000100012

PSYCHOLOGY, PSYCHOANALYSIS

null

A adolescência, seus conflitos e soluções

null

Rondon, Pedro Henrique Bernardes

2,006

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000100012&lng=en&tlng=en

null

scielo_articles/scl/1516-1498/S1516-14982006000100012.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Rondon, Pedro Henrique Bernardes" ]

null

scl/1516-1498/S1516-14982006000100011.xml

pt

editorial

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000100011

10.1590/S1516-14982006000100011

PSYCHOLOGY, PSYCHOANALYSIS

null

René Major

null

Duarte-Plon, Leneide

2,006

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000100011&lng=en&tlng=en

null

scielo_articles/scl/1516-1498/S1516-14982006000100011.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Duarte-Plon, Leneide" ]

null

scl/1516-1498/S1516-14982006000100010.xml

pt

editorial

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000100010

10.1590/S1516-14982006000100010

PSYCHOLOGY, PSYCHOANALYSIS

null

August Ruhs

null

Duarte-Plon, Leneide

2,006

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000100010&lng=en&tlng=en

null

scielo_articles/scl/1516-1498/S1516-14982006000100010.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Duarte-Plon, Leneide" ]

null

scl/1516-1498/S1516-14982006000200011.xml

pt

book-review

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982006000200011

10.1590/S1516-14982006000200011

PSYCHOLOGY, PSYCHOANALYSIS

UFRJ

Resistir é preciso

null

Herzog, Regina

2,006

12

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982006000200011&lng=en&tlng=en

null

scielo_articles/scl/1516-1498/S1516-14982006000200011.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Herzog, Regina" ]

null

[ "UFRJ" ]

scl/1516-1498/S1516-14982007000100001.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982007000100001

10.1590/S1516-14982007000100001

PSYCHOLOGY, PSYCHOANALYSIS

Not Meeting

As tentativas extremas de Antonin Artaud de recobrar o nome sob a letra

null

The extreme tries from Antonin Artaud of recovering the name below the letter

Bedere, Serge

2,007

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Após longo período marcado por uma convicção delirante concernente ao nome - Antonin Artaud teria morrido e Antonin Nalpas teria se apoderado de seu corpo - Artaud recobra o uso de seu nome. Considera-se aqui a retomada, por Artaud, de seu nome e suas articulações com a volta à escrita, a transferência com Gaston Ferdière e o trabalho sobre a letra por meio da tradução do Jabberwocky, de Lewis Carrol.

null

After a long period of time market by the hallucinating concern about the name - Antonin Artaud would have died and Antonin Nalpas would have taken over his body - Artaud recovers the use of his name. It is to be considered the recover, by Artaud, of his name and his articulations with the return to writing, the transference with Gaston Ferdière and the work about letters by the means of translations from Jabberwock, by Lewis Carrol.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982007000100001&lng=en&tlng=en

16

scielo_articles/scl/1516-1498/S1516-14982007000100001.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Bedere, Serge" ]

null

[ "Artaud", "escrita", "corpo", "letra" ]

null

[ "Artaud", "writing", "body", "letter" ]

null

[ "Not Meeting", "Espace Analytique" ]

scl/1516-1498/S1516-14982007000100002.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982007000100002

10.1590/S1516-14982007000100002

PSYCHOLOGY, PSYCHOANALYSIS

Universidade de Paris 8

Figuras da maternidade em Clarice Lispector ou a maternidade para além do falo

null

The figures of motherhood in Clarice Lispector or motherhood beyond the phallus

Marcos, Cristina

2,007

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

A maternidade é freqüentemente situada na lógica fálica. Nossa proposta é nos interrogarmos sobre o que, da maternidade e da gestação, não se reduz ao falo. As figuras da maternidade em Clarice Lispector exibem o que há aí de incomensurável, de impossível a simbolizar e aparecem ligadas ao mundo orgânico, ou, ainda, a um gozo animal e excessivo, lembrando o que Lacan nomeia como gozo outro. A criança é, para a mulher, um modo de relação com o falo, e não dizemos o contrário, entretanto Clarice nos dá a ver que a criança torna também presente um real incomensurável.

null

Motherhood is often situated in a phallic logic. But something in motherhood is not reduced to the phallus. The figures of motherhood in Clarice Lispector shows what is incommensurable in it, what cannot be symbolized and is still linked to the organic world, to an animal and excessive jouissance. The child is, for the woman, a kind of relation with the phallus, but also the incommensurable real.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982007000100002&lng=en&tlng=en

22

scielo_articles/scl/1516-1498/S1516-14982007000100002.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Marcos, Cristina" ]

null

[ "Maternidade", "lógica fálica", "gozo feminino e real" ]

null

[ "Motherhood", "phalic logic", "feminine jouissance and real" ]

null

[ "Universidade de Paris 8", "Pontifícia Universidade Católica de Minas Gerais", "Universidade de Paris 7" ]

scl/1516-1498/S1516-14982007000100011.xml

pt

book-review

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982007000100011

10.1590/S1516-14982007000100011

PSYCHOLOGY, PSYCHOANALYSIS

Universidade Federal de Juiz de Fora

O mal-estar na psicanálise

null

Nascimento, Evando

2,007

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982007000100011&lng=en&tlng=en

null

scielo_articles/scl/1516-1498/S1516-14982007000100011.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Nascimento, Evando" ]

null

[ "Universidade Federal de Juiz de Fora" ]

scl/1516-1498/S1516-14982007000200005.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982007000200005

10.1590/S1516-14982007000200005

PSYCHOLOGY, PSYCHOANALYSIS

Universidade Federal de São Carlos

Passagem da compreensão à verdade: contribuição do estruturalismo à teoria lacaniana da psicose

null

Sales, Léa Silveira

2,007

12

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

A argumentação procura mostrar que é a inserção na racionalidade estruturalista que finalmente conduz Lacan a providenciar a descrição de um dispositivo específico na causação da psicose, permitindo, através da distinção entre conhecimento e verdade, a superação dos impasses de sua tese de doutorado, então baseada em critérios de assentimento social e na tentativa de sobrepor explicação e compreensão.

null

Passage from comprehension to truth: structuralism’s contribution to the Lacanian psychosis theory. From comprehension to truth: structuralism’s contribution Lacanian theory of psychosis. The argument tries to show that it is the insertion into the structuralist rationality that finally leads Lacan to provide the description of a specific device in the causation of psychosis, allowing, through the distinction between knowledge and truth, the overcoming of the impasses of his doctoral thesis, then based on criteria of social consent and on the attempt to overlap explanation and comprehension.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982007000200005&lng=en&tlng=en

20

scielo_articles/scl/1516-1498/S1516-14982007000200005.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Sales, Léa Silveira" ]

null

[ "Estruturalismo", "psicanálise lacaniana", "teoria da psicose" ]

null

[ "Structuralism", "Lacanian psychoanalysis", "psychosis theory" ]

null

[ "Universidade Federal de São Carlos" ]

scl/1516-1498/S1516-14982007000200004.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982007000200004

10.1590/S1516-14982007000200004

PSYCHOLOGY, PSYCHOANALYSIS

Université Paris Descartes

Objeto a e privação: Um caso de retroação significante na teoria psicanalítica

null

Pellion, Frédéric

2,007

12

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Desenvolve-se a hipótese de que a elaboração da "categoria" particular de "falta de objeto" que é a privação, feita por Lacan ao longo do quarto ano de seu Seminário, não apenas antecipa a "invenção" ulterior do objeto a, como também se revela, a posteriori, algo que lhe é necessariamente prévio.

null

Object a and privation. A significant case of retroaction in the psychoanalytic theory. A hypothesis is developed so that the elaboration of a particular category of "lack of object", which is the privation, done by Lacan throughout his fourth year in the Seminary, not only anticipates the ulterior "invention" of object a, but it also reveals, later, something that will be previously necessary to him.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982007000200004&lng=en&tlng=en

19

scielo_articles/scl/1516-1498/S1516-14982007000200004.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Pellion, Frédéric" ]

null

[ "Objeto a", "privação", "estrutura", "sujeito" ]

null

[ "Object a", "privation", "structure", "subject" ]

null

[ "Université Paris Descartes", "Universidade de Paris VII", "Colégio Clínico de Paris" ]

scl/1516-1498/S1516-14982007000200003.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982007000200003

10.1590/S1516-14982007000200003

PSYCHOLOGY, PSYCHOANALYSIS

Universidade de São Paulo

O diagnóstico estrutural e sua relação com a transferência em um tratamento analítico

null

Grant, Walkiria Helena

2,007

12

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Busca-se refletir, a partir de um enfoque psicanalítico, sobre a questão do diagnóstico estrutural em um caso clínico e sua relação com o lugar que o analista ocupa na relação transferencial. Com base nos fenômenos relatados durante as sessões, destaca-se um leque de possibilidades quanto ao diagnóstico estrutural do caso - neurose, psicose ou perversão -, ressaltando-se que ele só pode ser pensado com base na especificidade da relação transferencial estabelecida com o analista. Uma particularidade deste caso clínico permitiu abordar o lugar que o tecido significante da poesia e da música ocupou diante do sem-sentido da morte.

null

A structural diagnostic and its relationship with transference in analytical treatment. In this article my aim will be to reflect, from a psychoanalytic view, on the question of structural diagnosis in a clinical case and its relationship with transference. Based on the phenomenon described during the sessions I pinpoint several possible structural diagnosis of the case - neurosis, psychosis, or perversion - and highlight the fact that the diagnosis can only be considered based on the specificity of the transference relationship established with the analyst. A characteristic of this specific clinical case was that it allowed us to analyze the role the poetry and music significant played in facing the senselessness of death.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982007000200003&lng=en&tlng=en

14

scielo_articles/scl/1516-1498/S1516-14982007000200003.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Grant, Walkiria Helena" ]

null

[ "Psicanálise", "diagnóstico estrutural", "transferência", "poesia" ]

null

[ "Psychoanalysis", "structural diagnosis", "transference", "poetry" ]

null

[ "Universidade de São Paulo", "Associação Campinense de Psicanálise" ]

scl/1516-1498/S1516-14982007000200002.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982007000200002

10.1590/S1516-14982007000200002

PSYCHOLOGY, PSYCHOANALYSIS

Universidade do Estado do Rio de Janeiro

Uma leitura freudiana da categoria de identidade em Anthony Giddens

null

Cunha, Eduardo Leal

2,007

12

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Pretende-se examinar as formulações de Anthony Giddens sobre a categoria de identidade, em especial na sua articulação com a experiência da modernidade. Procura-se indicar como tais formulações implicam um modo de apreensão da experiência subjetiva que pode ser posto em questão pela teoria psicanalítica, especialmente a partir da categoria de sujeito, nas suas relações com a razão e a consciência. Compara-se com algumas proposições freudianas em torno da idéia de eu e do seu lugar na formação do aparato psíquico.

null

A Freudian reading of the category of identity in Anthony Giddens. This article intends to examine the formulations made by Anthony Giddens about the category of identity, specially in its articulations with the experience of modernity, and it tries to indicate in which ways such formulations imply a modality of apprehension of the subjective experience which may be questioned by the psychoanalytical theory, specially starting from a consideration of the category of subject, in its relations with reason and consciousness, and from some Freudian propositions about the idea of Ego and its place in the constitution of the psychic apparatus.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982007000200002&lng=en&tlng=en

26

scielo_articles/scl/1516-1498/S1516-14982007000200002.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Cunha, Eduardo Leal" ]

null

[ "Identidade", "modernidade", "eu", "sujeito" ]

null

[ "Identity", "modernity", "ego", "subject" ]

null

[ "Universidade do Estado do Rio de Janeiro", "Universidade Federal de Sergipe" ]

scl/1516-1498/S1516-14982007000200001.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982007000200001

10.1590/S1516-14982007000200001

PSYCHOLOGY, PSYCHOANALYSIS

Universidade de Paris VII

Dinâmica do aberto e problemática do estrangeiro

null

Natahi, Okba

2,007

12

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Digerido pelo Ocidente, o Oriente não mais dá lugar à experiência do estrangeiro, subsistindo muito pouco do confronto do íntimo com o êxtimo. Aborda-se, aqui, a experiência da migração - que, ao conjugar o familiar e o estranho, o natal e o estrangeiro, leva aquele que migra a interrogar as ficções simbólicas que o ligam à comunidade - na atualidade, em que vigora, como sintoma de uma foraclusão da problemática do estrangeiro, a idéia de uma comunidade compacta, fechada sobre si mesma.

null

Dynamic of the openness and problematic of the foreigner. Guided by the West, the East doesn’t give anymore room to the experience of the foreigner, sub living very few from the comfort of the intimate with the exterior. It is here studied the migration experience - which, by relating the familiar with the strange, the native and the foreigner, takes the one who migrates to question symbolic fiction that ties them to the community - in the present time in which it takes place, with the symptom of a out-inclusion of the foreigner problematic, the idea of a compact community, close in itself.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982007000200001&lng=en&tlng=en

10

scielo_articles/scl/1516-1498/S1516-14982007000200001.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Natahi, Okba" ]

null

[ "Estrangeiro", "migração", "exílio" ]

null

[ "Foreigner", "migration", "exile" ]

null

[ "Universidade de Paris VII" ]

scl/1516-1498/S1516-14982007000100012.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982007000100012

10.1590/S1516-14982007000100012

PSYCHOLOGY, PSYCHOANALYSIS

null

Dissertações de mestrado e teses de doutorado/2006

null

2,007

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982007000100012&lng=en&tlng=en

null

scielo_articles/scl/1516-1498/S1516-14982007000100012.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

null

scl/1516-1498/S1516-14982007000100010.xml

pt

book-review

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982007000100010

10.1590/S1516-14982007000100010

PSYCHOLOGY, PSYCHOANALYSIS

UFRJ

Psicose e psicanálise: o caso Althusser

null

Cavalcanti, Maria Tavares

2,007

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982007000100010&lng=en&tlng=en

null

scielo_articles/scl/1516-1498/S1516-14982007000100010.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Cavalcanti, Maria Tavares" ]

null

[ "UFRJ", "UFRJ" ]

scl/1516-1498/S1516-14982007000100003.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982007000100003

10.1590/S1516-14982007000100003

PSYCHOLOGY, PSYCHOANALYSIS

Associação Psicanalítica de Porto Alegre

Antígona: palavra oracular (pura) e palavra do analista

null

Antigone: oracular word (pure) and word of the analyst

Marcon, Heloisa Helena

2,007

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Tenta-se aproximar a palavra oracular ou pura do adivinho Tirésias na tragédia Antígona de Sófocles da palavra do analista numa psicanálise. Faz-se tal aproximação por meio da apresentação das características comuns as duas palavras em questão (do analista e do adivinho): potência de suspensão do sentido e abertura a outros sentidos - enunciação - presentes num enunciado ou discurso racional ou argumentativo.

null

The present article makes the oracular or pure word of the soothsayer Tiresias in the Sophocles Antigone close to the word of the analyst in psychoanalysis. It makes such approximation through the presentation of the common characteristics of both words (the one of the analyst and the one of the soothsayer): power of suspension of the sense and opening to other senses - enunciation - present in a declaration or in a rational or argumentative discourse.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982007000100003&lng=en&tlng=en

7

scielo_articles/scl/1516-1498/S1516-14982007000100003.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Marcon, Heloisa Helena" ]

null

[ "Antígona", "palavra pura", "palavra do analista", "suspensão e abertura de sentido" ]

null

[ "Antigone", "pure word", "word of the analyst", "sense suspension and opening" ]

null

[ "Associação Psicanalítica de Porto Alegre", "Universidade Federal do Rio Grande do Sul" ]

scl/1516-1498/S1516-14982007000100009.xml

pt

book-review

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982007000100009

10.1590/S1516-14982007000100009

PSYCHOLOGY, PSYCHOANALYSIS

UFRJ

O feminino como possibilidade de novas formas de sociabilidade

null

Fortes, Isabel

2,007

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982007000100009&lng=en&tlng=en

null

scielo_articles/scl/1516-1498/S1516-14982007000100009.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Fortes, Isabel" ]

null

[ "UFRJ", "UFRJ" ]

scl/1516-1498/S1516-14982007000100007.xml

pt

research-article

Ágora: Estudos em Teoria Psicanalítica

1809-4414

SciELO Brazil

Programa de Pós-graduação em Teoria Psicanalítica do Instituto de Psicologia da Universidade Federal do Rio de Janeiro - UFRJ

S1516-14982007000100007

10.1590/S1516-14982007000100007

PSYCHOLOGY, PSYCHOANALYSIS

Sapientiae

Informações econômicas e ilusão: uma contribuição psicanalítica ao estudo de fenômenos econômicos

null

Economic information and illusion: a psychoanalytic contribution to the study of economic phenomena

Ferreira, Vera Rita de Mello

2,007

6

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

Analisam-se aspectos da situação econômica brasileira de abril/2002 a maio/2003, da campanha presidencial, com intensas turbulências, ao grande otimismo nos primeiros meses do governo Lula. Manchetes de jornal e indicadores econômicos são examinados à luz da teoria do pensar, introduzindo-se também a psicologia econômica. Questiona-se a objetividade das informações econômicas veiculadas pela mídia e seu poder de influência sobre a percepção de risco imediato, em detrimento do desempenho econômico real. Tais inconsistências são discutidas com base nas concepções psicanalíticas sobre emoções presentes na percepção e interpretação dos fenômenos socioeconômicos, devido à sua importância para o comportamento econômico.

null

The article analyses the Brazilian economic situation from April, 2002 to May, 2003, from intense turbulence around the presidential campaign to optimism with the beginning of Lula government. Newspaper headlines and economic indexes are examined in the light of the theory of thinking, also introducing Economic Psychology. Objectivity of economic information and its influence over indexes associated to immediate risk perception, disregarding actual economic performance, are debated. Such inconsistencies are discussed using psychoanalytical conceptions about emotions at work over perception and interpretation of socio-economic phenomena, due to the importance of information over economic behavior.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14982007000100007&lng=en&tlng=en

44

scielo_articles/scl/1516-1498/S1516-14982007000100007.xml

scielo.br

scl

[ "PSYCHOLOGY, PSYCHOANALYSIS" ]

[ "Ferreira, Vera Rita de Mello" ]

null

[ "Confiança", "comportamento econômico", "funcionamento mental", "instabilidade", "psicologia econômica" ]

null

[ "Confidence", "economic behavior", "economic psychology", "instability", "mental functioning" ]

null

[ "Sapientiae", "Pontifícia Universidade Católica de São Paulo", "International Association for Research in Economic Psychology", "Pontifícia Universidade Católica de São Paulo", "Universidade de São Paulo" ]

scl/1516-1439/S1516-14392020000600215.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392020000600215

10.1590/1980-5373-mr-2020-0314

ENGINEERING, CHEMICAL

Instituto de Pesquisas Energéticas e Nucleares

null

Analysis of the Surface Treatments Effect on the Creep Behavior of Ti-6Al-4V Alloy

Almeida, G. F. C.

2,020

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

Abstract This paper compares the creep behavior of Ti-6Al-4V alloy after different surface treatments, the plasma nitriding using Plasma Enhanced Chemical Vapor Deposition (PECVD), and the deposition of SiC thin films with Cr interlayer using High Power Impulse Magnetron Sputtering (HiPIMS). A microstructural characterization was performed with Scanning Electron Microscopy (SEM), Scanning and Transmission Electron Microscopy (STEM), and Energy Dispersive Spectroscopy (EDS) techniques. The creep test was performed at a constant load from 500 to 600 °C and 125 to 319 MPa, and a fractographic analysis was performed. The EDS analysis of the plasma nitrided layer indicated the nitrogen presence of the compounds TiN and Ti2N and an increase in the iron concentration. Creep test results in both conditions indicated an increase in the creep resistance. Plasma nitrided condition indicated the lowest creep rate and lesser elongation, making it the most suitable in applications that require a low dimensional distortion.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392020000600215&lng=en&tlng=en

28

scielo_articles/scl/1516-1439/S1516-14392020000600215.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Almeida, G. F. C.", "Sugahara, T.", "Arbex, A. A.", "Couto, A. A.", "Massi, M.", "Montoro, F. E.", "Reis, D. A. P." ]

null

[ "Ti-6Al-4V", "SiC film", "HiPIMS", "plasma nitriding", "Creep" ]

null

[ "Instituto de Pesquisas Energéticas e Nucleares", "Universidade Presbiteriana Mackenzie", "Universidade Federal de São Paulo", "Centro Nacional de Pesquisa em Energia e Materiais" ]

scl/1516-1439/S1516-14392024000300201.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392024000300201

10.1590/1980-5373-mr-2024-0148

ENGINEERING, CHEMICAL

Universidade Estadual Paulista

null

Synthesis of MgO Using the Sol-gel Method: Correlation Between CTAB Surfactant Concentration and MgO Properties

Silva, Gabriel R.

2,024

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

In this work, the surfactant cetyltrimethylammonium bromide (CTAB) was applied to observe how increasing the surfactant's concentration will affect the MgO characteristics, such as the increase in vacancies. The samples were characterized by X-ray diffraction (XRD). For the MgO-0.025CTAB sample, the intensity of the (200) peak of MgO decreased by three. However, the MgO-2.5CTAB showed an increase in the peaks intensity. In addition to using Rietveld refinement, it is possible to observe the textural characteristics of the samples, with the introduction of CTAB, oxygen vacancies increased, and from the MgO to the MgO-0.025CTAB sample, there was a decrease in oxygen occupancy from 94% to 82% in the unit cell. Thermogravimetry (TG) analyses were used to understand the interactions between the support and the surfactant as the CTAB concentration increased. With the physisorption of N2, the behavior of the sample pores and specific area determination are verified. The introduction of CTAB caused the decrease of the specific area from 32 m2/g to 9 m2/g for the MgO and MgO-0.025CTAB samples. However, for a more concentrated surfactant, MgO-2.5CTAB, the specific area was 25 m2/g. Scanning electron microscopy made it possible to observe the increase in the roughness with CTAB presence.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392024000300201&lng=en&tlng=en

37

scielo_articles/scl/1516-1439/S1516-14392024000300201.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Silva, Gabriel R.", "Assis, Matheus S.", "Souza, João C. P. de", "Possato, Luiz G." ]

null

[ "MgO", "sol-gel synthesis", "CTAB surfactant", "oxygen vacancy", "catalysts support" ]

null

[ "Universidade Estadual Paulista" ]

scl/1516-1439/S1516-14392025000100203.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392025000100203

10.1590/1980-5373-mr-2024-0499

ENGINEERING, CHEMICAL

Universidade Federal de Campina Grande

null

Sustainable Ceramic Membranes from Clays and Mining Wastes by Rapid Sintering Process

Firmino, Hellen C. T.

2,025

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

This study characterized wastes from scheelite and columbite-tantalite mining, as well as kaolin processing, to produce microfiltration membranes for wastewater treatment using a fast-sintered process. After characterization, the wastes were mixed with clays, pressed, and sintered at low temperatures of 1050 and 1100 °C. The resulting membranes exhibited pore size distributions ranging from 3 μm to 180 μm and flexural strengths exceeding 14 MPa. In a crossflow filtration system, permeate fluxes ranged from 177 L/h.m2 to 228 L/h.m2 at 2 bar, with permeabilities from 99 to 130 L/h.m2 bar depending on the waste content. Membranes with smaller pore sizes effectively removed 90% to 96% of turbidity from a water/clay suspension containing micrometric clay particles. This approach demonstrates that rapid sintering of ceramic membranes from mining waste can effectively reduce environmental impacts and energy costs, providing a sustainable solution for wastewater treatment.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392025000100203&lng=en&tlng=en

55

scielo_articles/scl/1516-1439/S1516-14392025000100203.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Firmino, Hellen C. T.", "Gomes, Déborah dos S.", "Silva, Vanderlane C. da", "Santos, Ieda M. G.", "Lira, Helio L.", "Santana, Lisiane N. L.", "Menezes, Romualdo R.", "Neves, Gelmires de A." ]

null

[ "Wastes", "scheelite", "columbite-tantalite", "kaolin", "membrane" ]

null

[ "Universidade Federal de Campina Grande", "Universidade Federal de Campina Grande", "Universidade Federal da Paraíba" ]

scl/1516-1439/S1516-14392021000700220.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392021000700220

10.1590/1980-5373-mr-2021-0297

ENGINEERING, CHEMICAL

Universidade Estadual Paulista

null

Effect of the Incorporation of EDB Co-initiator in the Resin in Halogen and LED Light

Tanaka, Aline Cristina da Silva

2,021

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

Abstract This paper evaluated the influence of the incorporation of the coinitiator Ethyl 4-(dimethylamino) benzoate (EDB) in Filtek Z250 XT resin in the reduction of the polymerization time and its behavior in halogen light and LED (Light Emitting Diode) light. The samples were subjected to thermal and spectroscopic analysis. The TG/DTG-DTA curve showed that both samples studied have a thermal stability temperature similar to the other polymers in the monomer blend. Morphological features were analyzed by SEM. By the MIR analysis, the degree of conversion using halogen light showed a better result compared to the LED light. The polymerization time applied to the specimens was 10 seconds, reducing the original resin time by half.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392021000700220&lng=en&tlng=en

33

scielo_articles/scl/1516-1439/S1516-14392021000700220.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Tanaka, Aline Cristina da Silva", "Santos, Giovanny Carvalho dos", "Alarcon, Rafael Turra", "Silva Filho, Luiz Carlos da", "Rezende, Maria Cristina Rosifini Alves" ]

null

[ "Composite Resins", "Polymerization", "Dental Restoration" ]

null

[ "Universidade Estadual Paulista", "Universidade Estadual Paulista" ]

scl/1516-1439/S1516-14392021000700219.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392021000700219

10.1590/1980-5373-mr-2021-0013

ENGINEERING, CHEMICAL

Universidade Estadual Paulista

null

Low-cost supercapacitor based on colloidal graphite

Klem, Maykel dos Santos

2,021

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

Abstract Here we report the production and characterization of a low-cost supercapacitor with electrodes based on colloidal graphite. We characterized the as-prepared device in terms of cyclic voltammetry (CV), Galvanostatic charge/discharge (GCD), and impedance spectroscopy. The supercapacitor exhibited good electrochemical performance with a high capacitance of 22 F g-1 for a discharge current of 2 mA. Long-term cyclability tests show that the device can keep about 85% of its capacitance after 500 cycles, even without encapsulation. We found power and energy densities of 110 W kg-1 and 3 Wh kg-1, respectively. All the experimental results indicate that the colloidal graphite Aquadag® is a promising material for application in supercapacitors.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392021000700219&lng=en&tlng=en

52

scielo_articles/scl/1516-1439/S1516-14392021000700219.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Klem, Maykel dos Santos", "Nogueira, Gabriel Leonardo", "Alves, Neri" ]

null

[ "Colloidal Graphite", "Aquadag", "Supercapacitor", "Energy Storage" ]

null

[ "Universidade Estadual Paulista" ]

scl/1516-1439/S1516-14392021000700218.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392021000700218

10.1590/1980-5373-mr-2021-0050

ENGINEERING, CHEMICAL

Universidade Estadual Paulista "Júlio de Mesquita Filho"

null

SnO2/ZnO Heterostructure as an Electron Transport Layer for Perovskite Solar Cells

Albuquerque, Diego Aparecido Carvalho

2,021

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

Abstract This work reports a study of the room-temperature synthesis of a SnO2/ZnO bilayer by magnetron sputtering. Morphological, optical, and electrical properties of the bilayer were investigated for different thicknesses of SnO2. Morphology was studied using profilometry and field emission scanning electron microscopy. The optical transmittances of the ZnO films and of the SnO2/ZnO combination were high (about 80%) in the visible, and the SnO2 film did not alter the optical properties of the ZnO, which would act as a transparent contact electrode in a perovskite solar cell.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392021000700218&lng=en&tlng=en

26

scielo_articles/scl/1516-1439/S1516-14392021000700218.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Albuquerque, Diego Aparecido Carvalho", "Ramos, Raul", "Ireno, Caio Eduardo do Prado", "Martins, Everson", "Durrant, Steven F.", "Bortoleto, José Roberto Ribeiro" ]

null

[ "ETL", "Doped tin oxide", "Solar energy", "PSC" ]

null

[ "Universidade Estadual Paulista \"Júlio de Mesquita Filho\"", "Centro Universitário FACENS" ]

scl/1516-1439/S1516-14392021000700217.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392021000700217

10.1590/1980-5373-mr-2021-0031

ENGINEERING, CHEMICAL

Universidade Estadual Paulista

null

Electrospun PPY.DBSA/PVA Nanofibers for Ammonium Gas Sensor

Gois, Bruno Henrique Santana

2,021

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

Abstract This work presents the results obtained in the production of poly (vinyl alcohol) (PVA) nanofibers with different concentrations of polypyrrole (PPy) doped with dodecylbenzene sulfonic acid (DBSA) - PPy.DBSA. The morphology of the nanofibers was studied by scanning electron microscopy (SEM) technique. The nanofibers were deposited on interdigitated electrodes (IDEs) for direct current electrical characterization (DC) and tested as ammonia gas sensors. The results showed a rapid detection of ammonia gas for higher concentrations of PPy.DBSA and for several alternating cycles in atmospheric N2.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392021000700217&lng=en&tlng=en

29

scielo_articles/scl/1516-1439/S1516-14392021000700217.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Gois, Bruno Henrique Santana", "Bittencourt, Jessyka Carolina", "David-Parra, Diego Noé", "Olivati, Clarissa de Almeida", "Merlini, Claudia", "Agostini, Deuber Lincon da Silva" ]

null

[ "nanofibers", "gas sensor", "conjugated polymer", "electrospinning" ]

null

[ "Universidade Estadual Paulista", "Universidade Federal de Santa Catarina" ]

scl/1516-1439/S1516-14392021000700216.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392021000700216

10.1590/1980-5373-mr-2021-0007

ENGINEERING, CHEMICAL

Universidade Estadual Paulista

null

Deposition of TiO2 thin Films by Dip-Coating Technique from a Two-Phase Solution Method and Application to Photocatalysis

Pedrini, Luiz F. K.

2,021

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

Abstract A derivation of the sol-gel-dip-coating deposition technique is proposed, where the precursor solution exhibits two separated liquid phases, reaching an equilibrium state in a heterogeneous solution. Structural, optical and photocatalytic properties of TiO2 films grown from the proposed two phases method are shown and discussed, along with the properties of films deposited when the top phase present distinct lengths, which are observed through SEM images and optical transmittance spectra. The dominant crystalline phase is anatase for all the films prepared. Films are tested towards their efficiency for photocatalysis, using methylene blue as dye degradation agent. It has been found that films deposited through the two phase method are more efficient on the photocatalyitic degradation of methylene blue.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392021000700216&lng=en&tlng=en

51

scielo_articles/scl/1516-1439/S1516-14392021000700216.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Pedrini, Luiz F. K.", "Escaliante, Lucas C.", "Scalvi, Luis V. A." ]

null

[ "Dip-Coating", "Sol-Gel", "Titanium Dioxide", "Photocatalysis" ]

null

[ "Universidade Estadual Paulista", "Universidade Estadual Paulista" ]

scl/1516-1439/S1516-14392021000700215.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392021000700215

10.1590/1980-5373-mr-2021-0052

ENGINEERING, CHEMICAL

Universidade Estadual Paulista

null

Growth Evolution of AZO thin Films Deposited by Magnetron Sputtering at Room Temperature

Ramos, R.

2,021

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

Abstract Thin AZO films were grown by RF magnetron sputtering for different deposition times in argon plasmas. Optical, structural, and morphological properties, together with elemental composition, were studied and correlated with the observed effects on the electrical properties and compared with two models of mobility scattering (ionized impurities and grain boundaries). The results suggest that the carrier density in the studied case is limited to below 15% owing to the low ionization efficiency caused by the formation of neutral impurities as homologous phases. While the spread in the mobility during the initial stages of film growth is strongly influenced by grain boundaries, in thicker films the limitation on ion efficiency becomes more significant.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392021000700215&lng=en&tlng=en

40

scielo_articles/scl/1516-1439/S1516-14392021000700215.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Ramos, R.", "Chaves, M.", "Martins, E.", "Durrant, Steven F.", "Rangel, E.C.", "Silva, T.F. da", "Bortoleto, J.R.R." ]

null

[ "ZnO", "Al thin films", "TCO", "morphological properties" ]

null

[ "Universidade Estadual Paulista", "Universidade de Sorocaba", "Universidade de São Paulo" ]

scl/1516-1439/S1516-14392021000700213.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392021000700213

10.1590/1980-5373-mr-2021-0027

ENGINEERING, CHEMICAL

Universidade Estadual Paulista

null

Crystallization Kinetics and Structure Refinement of CaTiO3 Glass-Ceramics Produced by Melt-Quenching Technique

Silveira, Wagner da

2,021

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

Glass-ceramic materials were obtained by heat treatment (960 ºC for 2, 4, and 6 hs) of glasses with CaCO3 47.50 wt%-TiO2 23.75 wt%-SiO2 23.75-Al2O3 5.00 wt% formulation produced by the melt-quenching technique (melting at 1650 ºC and subsequent annealing at 650 ºC). The materials’ structural characterization and crystallization kinetics (Kissinger method) indicate the presence of CaTiO3, CaSiO3, and CaTiSiO5 crystalline phases with activation energies 217, 281, and 446 kJ/mol, respectively. The structure refinement (Rietveld method) suggests metastability for the CaSiO3 and CaTiSiO5 phases as a function of the heat treatment time. The increase in time favors CaTiO3 crystallization, from 62.97 wt%, in the 2 hs treated sample, to 79.21 wt%, in the 6 hs treated sample. EDS and microstructure analyses confirm the glass-ceramic production and indicate segregation of the CaTiO3 phase for longer heat treatment times.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392021000700213&lng=en&tlng=en

65

scielo_articles/scl/1516-1439/S1516-14392021000700213.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Silveira, Wagner da", "Macedo, Wagner Costa", "Santos, Gleyson Tadeu de Almeida", "Santos, Luis Fernando dos", "Fernandes, José Diego", "Rocha, Kleper de Oliveira", "Teixeira, Silvio Rainho" ]

null

[ "Glass-ceramics", "Melt-quenching Technique", "CaTiO3", "Rietveld Method", "Kissinger Method" ]

null

[ "Universidade Estadual Paulista", "Universidade Estadual Paulista" ]

scl/1516-1439/S1516-14392021000700222.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392021000700222

10.1590/1980-5373-mr-2021-0059

ENGINEERING, CHEMICAL

Universidade Estadual Paulista

null

Thirteen-band Tight-binding Model for the MoS2 Monolayer

Meneghetti Junior, Luiz Antonio

2,021

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

A tight-binding model is fitted to density-functional calculations of the electronic structure of the MoS2 monolayer. The model involves 13 atomic orbitals per unit cell: the 4d orbitals of the molybdenum atom plus the 3s and 3p orbitals of each sulfur atom. The hopping and overlap couplings of each atom with its first nearest neighbors in each crystalline sublattice are considered. Different values are allowed for the intraplane and interplane S-S hopping integrals. A closed-form expression is given for the effective-mass tensor at stationary points. The isotropy of the valence and conduction bands near the edges of the fundamental gap is proven. The role played by the orbital overlapping as well as the crystal-field splitting of the molybdenum 4d level is discussed.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392021000700222&lng=en&tlng=en

32

scielo_articles/scl/1516-1439/S1516-14392021000700222.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Meneghetti Junior, Luiz Antonio", "Bruno-Alfonso, Alexys" ]

null

[ "transition-metal dichalcogenide", "electronic structure", "tight-binding model", "density functional theory" ]

null

[ "Universidade Estadual Paulista", "Universidade Estadual Paulista" ]

scl/1516-1439/S1516-14392021000700212.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392021000700212

10.1590/1980-5373-mr-2021-0016

ENGINEERING, CHEMICAL

Universidade Estadual Paulista "Júlio de Mesquita Filho"

null

Characterization of Plasma-deposited a-C:H:Si:F:N Films

Lopes, Juliana Feletto Silveira Costa

2,021

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

Thin a-C:H:Si:F:N films were studied as a function of the partial pressure of SF6 in plasma feed, RSF, together with tetramethylsilane and N2. Deposition rates varied from ~4 to ~19 nm.min-1. Surface roughnesses were typically less than 35 nm. Surface contact angles with water droplets, measured using goniometry, were all around 90°. Scanning electron micrography revealed surface particles, probably formed in the gas phase, of typical diameters ~8 μm. As revealed by Fourier transform infrared spectroscopy and energy dispersive x-ray spectroscopy, the films are plasma polymers with a carbon and silicon network. Most of the films contain ~ 60 at.% C, ~ 10 at.% Si, 20 at.% O and ~5 to 14 at.% N. Film doping with F rises to ~2 at.% as RSF is increased. The Tauc gap, calculated from ultraviolet-visible near infrared spectroscopic data, is controllable in the range of ~3.5 to 4.1 eV by a suitable choice of RSF. Fluorination causes the films to be softer and less stiff. Total deformation and stored energies are reduced compared to those of the film deposited at RSF = 0%. The modulus of dissipation increases from ~8% to a maximum of ~65% for the fluorinated films.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392021000700212&lng=en&tlng=en

20

scielo_articles/scl/1516-1439/S1516-14392021000700212.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Lopes, Juliana Feletto Silveira Costa", "de Oliveira Furquim, Felipe", "Rangel, Elidiane Cipriano", "Durrant, Steven F." ]

null

[ "PECVD", "a-C:H:Si:F:N", "thin films", "optical properties" ]

null

[ "Universidade Estadual Paulista \"Júlio de Mesquita Filho\"" ]

scl/1516-1439/S1516-14392021000700211.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392021000700211

10.1590/1980-5373-mr-2021-0212

ENGINEERING, CHEMICAL

Universidade Estadual de São Paulo

null

Salicylic Acid Boosts the TiO2 and ZnO-Mediated Photodegradation of Paracetamol

Peres, Matheus Ruffo

2,021

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

Abstract Titanium dioxide (TiO2) and zinc oxide (ZnO) are among the most used catalysts in photodegradation. Paracetamol and salicylic acid are widely used as pharmaceutical drugs. We found that paracetamol is less susceptible to photodegradation compared to salicylic acid. From a chemical perspective, this was not expected since paracetamol is more vulnerable to chemical oxidation. Aiming the comprehension of this phenomenon, studies were performed comparing the efficiency of photodegradation of paracetamol versus salicylic acid and acetophenone versus 4-aminoacetophenone. The presence of amino/amide group decreased the efficiency of degradation significantly. It was also found that salicylic acid improved the degradation of paracetamol when both compounds were present in the reaction medium. The lower efficiency of photodegradation of the amino-based compounds seems to be related to the deactivation of the excited states of the TiO2 and ZnO. Theoretical calculations at the TD-PBE0/6-311++G(3df,2p) high level were performed and corroborated our proposal.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392021000700211&lng=en&tlng=en

33

scielo_articles/scl/1516-1439/S1516-14392021000700211.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Peres, Matheus Ruffo", "Pastrello, Bruna", "Sambrano, Júlio Ricardo", "Morgon, Nelson Henrique", "de Souza, Aguinaldo Robinson", "Ximenes, Valdecir Farias" ]

null

[ "Photodegradation", "Titanium Dioxide", "Zinc Oxide", "Paracetamol", "Salicylic Acid" ]

null

[ "Universidade Estadual de São Paulo", "Universidade Estadual de São Paulo", "Universidade de Campinas" ]

scl/1516-1439/S1516-14392021000700210.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392021000700210

10.1590/1980-5373-mr-2021-0018

ENGINEERING, CHEMICAL

Universidade Estadual Paulista

null

Synthesis and Characterization of Cu2-xS structures by Different Chemical Routes for Electronic Applications

Lima, João V. M.

2,021

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

Abstract Copper sulfides are materials with different technological applications due to different possibilities of phases, which result in different properties. Thus, obtaining particles with different stoichiometry of the materials is of great interest. Two simple chemical routes were used to obtain copper sulfides (Cu2-xS) particles of different phases and stoichiometry. One of the obtained powders was used for thin film deposition through resistive evaporation and characterized. From scanning electron microscopy the particle size was found as around 500 nm. The second route leads to non-stoichiometric powder with characteristic CuS, Cu9S5 and Cu2S planes detected in the XRD diffractograms. Thin films from this route were also obtained by resistive evaporation. The amorphous film obtained after evaporation was submitted to thermal annealing at 200 ° C/2h, becoming semi-crystalline. The deposited film showed good adhesion to the substrate and low roughness, in addition to a bandgap of 2.5 ± 0.1 eV and a resistivity of 1x10-2 Ω.cm, values in good agreement with those reported in the literature. The techniques used here proved to be of good quality for deposition of copper sulfide films, and can be used as a simpler alternative in addition to commonly used for deposition of copper sulfide films.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392021000700210&lng=en&tlng=en

26

scielo_articles/scl/1516-1439/S1516-14392021000700210.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Lima, João V. M.", "Silva, Rafael A.", "Santos, Stevan B. O.", "Graeff, Carlos F. O.", "Scalvi, Luis V. A." ]

null

[ "Copper Sulfide", "Chemical Routes", "Resistive Evaporation" ]

null

[ "Universidade Estadual Paulista", "Universidade Estadual Paulista" ]

scl/1516-1439/S1516-14392021000700209.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392021000700209

10.1590/1980-5373-mr-2021-0029

ENGINEERING, CHEMICAL

Universidade Estadual Paulista

null

The Plasmonic Effect of Gold Nanorods on Charged Molecules: SERRS and SEF effects

Oliveira, Tatiana Aparecida

2,021

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

Abstract Target molecules adsorbed onto metallic nanoparticles can have their Raman and/or fluorescence signals enhanced, leading to the called surface-enhanced [resonance] Raman scattering (SE[R]RS) or surface-enhanced fluorescence (SEF). Here we have applied Au nanorods (AuNRs) coated with a surfactant bilayer leading to a positive surface charge to investigate the role played by these AuNRs in colloidal suspension on SERRS and SEF effects of charged molecules. In the case of the anionic nickel (II) tetrasulfonated phthalocyanine (NiTsPc), besides achieving SERRS with an enhancement factor (EF) of ca. 105, the AuNRs allowed the analytical application of the SERRS effect for the NiTsPc between 8.3x10-6 and 4.0x10-5 mol L-1. The limit of detection of 4.8x10-7 mol L-1 (at 752 cm-1) and 1.3x10-6 mol L-1 (at 1338 cm-1) was found. In the case of the cationic methylene blue, the SEF effect was achieved reaching an EF of ca. 10. Besides, fundamental discussions are carried out considering the results presented here.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392021000700209&lng=en&tlng=en

73

scielo_articles/scl/1516-1439/S1516-14392021000700209.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Oliveira, Tatiana Aparecida", "Rubira, Rafael Jesus Gonçalves", "Martin, Cibely da Silva", "Barros, Anerise de", "Mazali, Italo Odone", "Constantino, Carlos José Leopoldo" ]

null

[ "gold nanorods", "SERRS", "SEF", "charge effect" ]

null

[ "Universidade Estadual Paulista", "Universidade Estadual de Campinas" ]

scl/1516-1439/S1516-14392021000700208.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392021000700208

10.1590/1980-5373-mr-2021-0039

ENGINEERING, CHEMICAL

Universidade Estadual Paulista

null

Effect of Plasma Oxidation Treatment on Production of a SiOx/SiOxCyHz Bilayer to Protect Carbon Steel Against Corrosion

Ribeiro, Rafael P.

2,021

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

Abstract Because of its excellent properties, carbon steel is a material widely used in several sectors. However, it is easily corroded when exposed to the environment. Seeking to remedy this problem, the possibility of coating carbon steel with SiOx/SiOxCyHz films generated by deposition and oxidation in low-pressure plasmas was investigated. Specifically, the effects of excitation power of the oxidation plasma on layer thickness, chemical structure, elemental composition, and barrier properties of the obtained coatings were investigated. The coating of the steel with the SiOxCyHz film, generated by plasma in an atmosphere of hexamethyldisiloxane (HMDSO), increased the total resistance to the passage of electric current, measured by electrochemical impedance spectroscopy. However, under the condition of moderate power oxidation (50 W), the results point to the creation of a bilayer system with high resistance to electrochemical attack compared to the SiOxCyHz film, even though its thickness is less than this.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392021000700208&lng=en&tlng=en

104

scielo_articles/scl/1516-1439/S1516-14392021000700208.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Ribeiro, Rafael P.", "Rangel, Rita de Cássia C.", "Fernandes, Felipe O.", "Cruz, Nilson C.", "Rangel, Elidiane C." ]

null

[ "Carbon steel", "corrosion resistance", "SiOxCyHz", "SiOx", "PECVD", "plasma oxidation" ]

null

[ "Universidade Estadual Paulista" ]

scl/1516-1439/S1516-14392021000700214.xml

en

research-article

Materials Research

1980-5373

SciELO Brazil

ABM, ABC, ABPol

S1516-14392021000700214

10.1590/1980-5373-mr-2021-0041

ENGINEERING, CHEMICAL

Universidade Estadual Paulista

null

Cross-Linked Density Determination of Natural Rubber Compounds by Different Analytical Techniques

Hiranobe, Carlos Toshiyuki

2,021

null

This work is licensed under a Creative Commons Attribution 4.0 International License.

null

Abstract This paper investigated the formation of crosslinks in natural rubber compounds in the vulcanization systems: conventional (CV), semi-efficient (SEV), and efficient (EV), processed with three types of accelerators: MBTS (dibenzothiazole disulfide), TMTD (tetramethylthiuram disulfide) and CBS (n-cyclohexyl 2-benzothiazole sulfenamide). The cross-linked densities were determined by organic solvent swelling, dynamic mechanical analysis (DMA), stress vs strain, and low-field nuclear magnetic resonance, the latter being the reference technique for comparison with the other results. It was found that the choice of accelerator type influences the processing time and the cross-linked density of the vulcanizate. The four techniques showed close values of cross-linked density for natural rubber compounds, demonstrating that the analytical techniques studied can be applied to determine cross-linked density.

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392021000700214&lng=en&tlng=en

82

scielo_articles/scl/1516-1439/S1516-14392021000700214.xml

scielo.br

scl

[ "ENGINEERING, CHEMICAL", "MATERIALS SCIENCE, MULTIDISCIPLINARY", "METALLURGY & METALLURGICAL ENGINEERING" ]

[ "Hiranobe, Carlos Toshiyuki", "Ribeiro, Gabriel Deltrejo", "Torres, Giovanni Barrera", "Reis, Elton Aparecido Prado dos", "Cabrera, Flávio Camargo", "Job, Aldo Eloizo", "Paim, Leonardo Lataro", "Santos, Renivaldo José dos" ]

null

[ "Natural rubber", "cross-linked density", "Flory-Rehner", "Mooney-Rivlin", "NMR" ]

null

[ "Universidade Estadual Paulista", "Instituto Tecnológico Metropolitano", "Centro Universitário Antônio Eufrásio de Toledo", "Universidade Estadual de Maringá", "Universidade Estadual Paulista" ]