bluuebunny/crossref_metadata_2025_split huggingface dataset:
Membangun Direktori Publikasi Karya Ilmiah Melalui Jaringan Cloud Perpustakaan Universitas Riau
Authors: Yasin Setiawan  , Evi Susanti  
Published: January 2023

The purpose of this research is to build a system with a scientific paper directory service, namely a directory of journal articles published by the University of Riau which is organized in such a way that it is easy to search. The design is carried out through the stages of system design analysis, global design and detailed design.
The scientific work directory system of the Riau University Library which can be accessed online at the address https://cloud.unri.ac.id/direktori. The development carried out in this study uses the stages of system design, system development, implementation and evaluation, with the final result of a web-based interface.
मधेश विद्रोह र सामाजिक आयाम {Madhes Rebellion and Social Movement}
Authors: नकर्मी Nakarmi सुदीपसिंह Sudipsingh 
Published: January 2023

प्रस्तुत अनुसन्धानात्मक लेख ऋषिराज बरालद्वारा लेखिएको ‘कदमलाल ततमाको गीत’ कथामा चित्रित सीमान्तकृत समुदायको अध्ययनसँग सम्बद्ध छ । कथामा समाजका उच्च र अभिजात वर्गले निम्नवर्गलाई हेर्ने दृष्टिकोण र त्यसबाट यो वर्ग सीमान्तकृत अवस्थामा पुग्न बाध्य हुन पुगेको सन्दर्भलाई प्रमुखताका साथ उठाइएको छ । आर्थिक अवस्था दयनीय भएको कारण अरूको खेतमा काम गर्न बाध्य छन् । निम्नवर्गीय आर्थिक स्थितिका कारणले दारुण जीवन बाँच्न विवश पात्रहरूले राम्रो लगाउन त के भरपेट खानसम्म पाएका छैनन् । सामाजिक संरचनाको निर्माणमा प्रभुत्वशाली वर्ग नै आफू अनुकूलको सामाजिक संरचना निर्माण गरेको हुनाले सीमान्तवर्गलाई किनारामा पुर्याइएको कुरालाई प्रस्तुत कथाले उजागर गरेको छ । कथामा प्रभुत्वशाली वर्ग र सीमान्तवर्ग बिचमा द्वन्द्व उत्पन्न भएको छ । यही द्वन्द्वका कारण सीमान्तवर्गले प्रतिरोध स्वरुप आवाज उठाउँदा यातनाबाट अपाङ्ग बन्नु परेको र अन्ततः अज्ञात मृत्युवरण गर्नु परेको कुराले कथा मार्मिक र दुःखान्तसमेत बन्न पुगेको छ । यस कथामा मूलतः तत्कालीन समाज व्यवस्थाले हलि (कमैया) को सज्ञा दिएको कदमलाललाई केन्द्र बनाएर सामन्तवादी समाज व्यवस्था र त्यसका आडमा हुने गरेको शोषण, दमन, अन्याय, अत्याचारलाई कारुणिक रूपमा प्रस्तुत गरेको छ । यस कथाको विश्लेषण पनि वर्गीय सीमान्तीयताको कोणबाट भएको छ । कदमलाल ततमाको गीतकथाले सीमान्तकृतहरूको अवस्थाको चित्रण गरेको छ । वर्गीय सीमान्तीयताको आधारमा ‘कदमलाल ततमाको गीत’ कथाको विश्लेषण गर्नु नै प्रस्तुत अध्ययनको मूल उद्देश्य हो ।
{The present research article is related to the study of marginalized communities depicted in the story 'Kadamlal Atmako Geet' written by Rishi Raj Baral. In the story, the view of the upper and elite of the society towards the lower class and the context of this class being forced to reach a marginalized position has been highlighted. They are forced to work on the fields of others due to poor financial conditions. Due to the economic condition of the lower class, the villains have not been able to eat well to live a miserable life. The story highlights that the marginalized classes have been sidelined as the dominant class has built a social structure that suits them in the construction of the social structure. In the story, there is a conflict between the dominant class and the marginalized class. Due to this conflict, the fact that the marginalized class had to become disabled from torture and eventually died unknowingly when the marginalized raised their voice of resistance has become tragic and tragic. In this story, the then social system has presented in a tragic waythe feudal social system and the exploitation, repression, injustice and atrocities underits guise by focusing on Kadamlal, which was originally known as Hali (Kamaiya). This story has also been analyzed from the angle of class marginality. Kadamlal Taatma's songstory depicts the condition of the marginalized. The main objective of the present study isto analyzes the story of 'Kadamlalatma's Song' on the basis of class marginality.}
‘शहरबिनाको शहर’ कविताकृतिमा पर्यावरणीय चेतना {Eco Consciousness in the Poetry ‘‘The City without a City’’}
Authors: भण्डारी Bhandari हेमबहादुर Hembahadur 
Published: January 2023

दामोदर पुडासैनी ‘किशोर’ सामाजिक जनजीवनको भोगाइका साथै सीमान्त जनजीवनको सरोकारको विषयलाई कविताका माध्यमबाट प्रस्तुत गरी सामाजिक चेतना जागृतिको प्रयत्नमा रहेका कवि हुन् । शहरविनाको शहर कविता कृतिमा उनले नेपालको तराई इलाकाका जनताले बाँचेको सामाजिक सन्दर्भ उठान गरी त्यस इलाकाले भोग्नु परेको पीडा र त्यस इलाकामा बढ्दै गएको विकृति समेतलाई चित्रण गरेका छन् । अन्य सामाजिक विषयको उठानका सिलसिलामा पर्यावरणीय प्रदूषणलाई पनि कविताको विषयमा मिसाई उनले पर्यावरणीय चेतनाका अभावमा नेपालको तराई इलाका विशाक्त हावा र पानी ग्रहण गर्न बाध्य बनेको यथार्थमाथि प्रतिरोधी प्रतिक्रिया दिएका छन् । स्वार्थको मात्रा थपिँदै जाँदा मानवीय आचरण क्रमशः खिइँदै जान थालेको सन्दर्भ पेस गरी उनले राज्यको दायित्व सबल बन्न नसक्दा पर्यावरणीय चेतना र नैतिकता मानवीय स्वार्थमा साटिने अवस्था सिर्जना भएको दाबी गरेका छन् । पूँजीवादी अर्थसंस्कृतिको विस्तार पर्यावरण दोहनको प्रमुख कारण भएको कविको ठम्याइछ । पर्यावरणीय समालोचनाको सैद्धान्तिक धरातलमा रहेर यहाँ उनको शहरविनाको शहर कविताकृतिमा चित्रित नेपालको तराई इलाकाको जनजीवन र त्यस जनजीवनमा निर्मित विषालु सङ्कथन अवलोकन गरिएको छ । पर्यावरणीय नैतिक आचरणका अभावमा पर्यावरण संरक्षणको हाम्रो सन्दर्भ अन्योलग्रस्त बन्न पुगेको छ, त्यसैले त्यतातिरको सामाजिक सचेतनाको जागृति नै आजको आवश्यकता हो भन्ने निचोडमा प्रस्तुत अध्ययन पुगेको छ ।
{Damodar Pudasaini 'Kishore' is a poet who is trying to awaken social consciousness by presenting the issues of social life as well as the concerns of marginal people through poetry. In the poetry the City without a City, he has taken the social context from the Terai region of Nepal. He has depicted the sufferings of the people of the Terai region and the growing deformities in that region. In the course of raising other social issues, he has also mixed environmental pollution as a subject of poetry, and he has given a resistance response to the reality that Nepal's Terai region is forced to accept poisoned air and water due to a lack of environmental awareness. Submitting the context that human behavior is gradually deteriorating as the number of selfishness increases, he claimed that the state's responsibility could not be strengthened and environmental awareness and ethics were replaced by human interest. The poet believes that the expansion of capitalist economic culture is the main reason for environmental exploitation. Based on the theoretical ground of Eco's criticism, the life of the Terai region of Nepal is depicted in his poetry the City without a City and the toxic discourse in that life has been observed. Due to the lack of environmental ethics, our reference to environmental protection has become confused, so this study has concluded that the awakening of social awareness towards it is the need of the day.}
Do The Companies Owe Corporate Social Responsibility towards Institutions of Higher Education?
Authors: Qamar Parveen 
Published: January 2023

With an emphasis on distribution of wealth among the stakeholders and considering environmental sustainability, the companies are required to manage business processes in such a way to provide a positive impact on the society. These companies through their business earn a major profit by operating in the society and various stakeholders are involved and affected from their process directly or indirectly, therefore the companies are expected to spend a part of their profit for the benefits of their stakeholders. Corporate Social Responsibility (CSR) is a concept where big companies consciously combine their economic profit with social well-being and environmental sustainability. India has made legislation in the form of section 135 of Companies Act, 2013 for this purpose. According to this Act, education, gender equality, persons with disability (PwD) and environmental sustainability are some of the areas where the companies can use Corporate Social Responsibility funds through their policies.
In response to the law, a large number of companies are performing well and undertaking a large number of projects in areas mentioned under the Schedule VII of the Companies Act, 2013. But the data shows a lot still needs to be done as these large numbers of Companies are spending on education at school level and skill development but higher educational institutions (HEIs) are far away from reaping the benefits of CSR funds. Companies and corporate houses do not consider much about the infrastructural development in HEIs for environmental sustainability, and projects leading to women development.
Government is over burdened in looking and sponsoring even the small projects. CSR funding can share this responsibility thereby accelerating the process of development in the institutions.
Residual Stress Development of Laser Assisted Cold Sprayed Ni Alloy 718 Coatings
Authors: Walker Mike , Howes Paul , McNutt Phil , Harvey Dave 
Published: January 2023

Abstract
In this study, Ni-alloy 718 coatings are deposited on substrates of the same material using laser assisted cold spraying (LACS). The laser heats the substrate surface making it more ductile and expands the metallurgically bonded region. Coatings deposited at various track spacings and surface temperatures are examined to assess coating quality, level of deformation and recrystallisation, and the effect of different track spacings on surface roughness and waviness. A track spacing of 3.5 mm was found to provide the most even coverage with the laser. Surface X-ray diffraction measures residual stress for different layers at various surface temperatures while incremental hole drilling measures stress profiles for coatings of varying thickness. All coatings were found to be well bonded with low porosity.
Economic Potential of Cold Spraying MCrAlY Coatings: Use of Nitrogen and Feasibility of Powder Recycling
Authors: Guo Deliang , Jodoin Bertrand , Fernandez Ruben 
Published: January 2023

Abstract
In this study, nitrogen is employed rather than helium to cold spray MCrAlY coatings at relatively low process settings. Recycling of the non-deposited particles during the spray is also explored, and the characteristics and cold sprayability of recycled powder are compared with that of as-received feedstock powder. The resulting MCrAlY coatings from the two powders, though different thicknesses, show similar dense microstructures, low oxide inclusion, and smooth surface finish, all of which contribute to improved oxidation behavior.
Interfacial TEM Analysis of Cold Sprayed MCrAlY Coating Onto CMSX-4 Superalloy Using Nitrogen
Authors: Fernandez Ruben , Guo Deliang , Jodoin Bertrand , Wang Yin 
Published: January 2023

Abstract
This study assesses the viability of using nitrogen instead of helium to cold spray NiCoCrAlTaY coatings onto single-crystal superalloy substrates. The process, though feasible, has a low deposition efficiency, leading to a high level of deformation that affects the microstructure of both the coating and substrate. SEM and TEM analysis revealed metallurgical and mechanical bonding at the interface and grain refinement in the coating. A fine grain structure that developed in the substrate after deposition was also observed possibly caused by dynamic recrystallization during the deposition process. Evidence of element segregation in the substrate, identifiable as zones with a deformed γ/γ’ structure, was found as well.
Influence of Injector Head Geometry on Particle Injection in Plasma Spraying
Authors: Bobzin K. , Öte M. , Knoch M.A. , Heinemann H. 
Published: January 2023

Abstract
This study assesses the effect of injector geometry on particle injection in plasma spraying. Numerical simulations show that high particle velocities can be realized with an injector that is significantly longer than the norm. In order to verify the prediction, injectors with different diameters and lengths were used to spray Al2O3 powders while measuring particle velocity at the injector outlet. Based on velocity, coating thickness, and XRD measurements, it is shown that small changes in injector geometry can have a significant influence on particle behavior without affecting phase composition. The unaltered state of the phase composition indicates that the particles did not possess enough momentum to penetrate the comparatively fast plasma jet.
High-Temperature Corrosion Behavior of Selected Thermally Sprayed Alloy-Based Coatings in an Aggressive Environment at 690°C
Authors: Česanek Zdeněk , Houdková Šárka , Lencová Katerina , Schubert Jan , Mušálek Radek , Lukáč František 
Published: January 2023

Abstract
This study evaluates the hot corrosion behavior of NiCoCrAlY, NiCoCrAlYHfSi, NiCoCrAlTaReY, and CoCrAlYTaCSi coatings on 1.4923 stainless steel, applied by high-pressure HVOF spraying. All coatings were cycled in in an environment of Na2SO4 and 82% Fe2(SO4)3 at 690 °C. Each cycle consisted of 1 h of heating in a silicon carbide tube furnace followed by 20 min of cooling. Weight change measurements were performed after each cycle to track corrosion kinetics, and SEM and EDS analysis were employed to analyze the corrosion mechanism. CoCrAlYTaCSi showed the best corrosion resistance of the coatings tested.
Low Thermal Conduction Mechanisms in Cation-Deficient Perovskite-Type Oxides
Authors: Kiaoka Satoshi , Matsudaira Tsuneaki , Kawashima Naoki , Ogawa Takafumi , Fisher Craig A.J. , Kato Takeharu , Yokoe Daisaku , Habu Yoichiro 
Published: January 2023

Abstract
Cation-deficient perovskite-type oxides have received considerable attention as new thermal barrier coating materials because of their extremely low thermal conductivities. In this study, sintered samples produced from RTa3O9 (R: Y, La or Yb) powders are examined and the mechanisms behind their low thermal conductivity are investigated. Thermal conductivity was found to vary primarily with the ionic radius of the R element. As ionic radius decreases, nanodomains form via tilting of the TaO6 octahedra. Phonon scattering at the domain boundaries is thus likely responsible for the low thermal conductivity of cation-deficient perovskite oxides.
Development of Fluoropolymer Coating Using Low Pressure Cold Spray
Authors: Lock Sulen W. , Ravi K. , Ichikawa Y. , Ogawa K. 
Published: January 2023

Abstract
Fluoropolymer and other polymer materials are extremely difficult to coat using solid-state deposition techniques such as cold spraying. In this study, fluoroethylene propylene (FEP) is cold sprayed onto a metallic substrate in order to investigate the effect of powder size, gas temperature and pressure, and substrate surface treatments. A powder modification technique that uses fumed nanoceramic particles as an additive to the feedstock is evaluated as well. The results show that the deposition efficiency of FEP is affected by particle size, gas temperature, and traverse speed as well as the added nanoceramic which, in this case, is either silica or alumina. It is also shown that the hydrophobic properties of the fluoropolymer are retained in the coatings and that adhesion between the coating and substrate plays a critical role.
Multivariate Analysis and Evaluation of the Porous Architecture of Suspension Plasma Sprayed Coatings
Authors: Zhao Yongli , Wang Yan , Peyraut François , Planche Marie-Pierre , Liao Hanlin , Montavon Ghislain , Ilavsky Jan , Lasalle Audrey , Allimant Alain 
Published: January 2023

Abstract
YSZ coatings were deposited by suspension plasma spraying and a parametric study was performed with different process parameters. Afterward, the porosity of the as-prepared coatings was investigated by SEM imaging and X-ray transmission and a multivariate analysis of the collected data was carried out. The results show that total porosity correlates negatively with suspension mass load, but positively with original powder size, spray step, substrate roughness, and spray distance, which was found to have the greatest impact. A porosity prediction model was also developed and its practical use is discussed.
Research on Microstructure of Laser-Remelted Cold-Sprayed Inconel 625 Coatings on Copper
Authors: Zeng Liang , Ma Wenhua , Lu Yi , Zhang Kejie , Wang Gaomin , Xie Yingchun , Huang Renzhong 
Published: January 2023

Abstract
This study demonstrates a two-step laser cladding process for copper substrates in which cold spraying is used as a powder preplacing method to overcome problems associated with the high laser reflectivity of copper as well as the effects of high-temperature oxidation. In the first step of the process, Inconel powders are cold sprayed onto pure copper, producing a layer with a thickness of about 250 μm and a porosity of 0.88%. This is followed by a 3.5 kW laser remelting treatment using a 1030 nm laser with a spot size of 2.5 mm. Examination and testing of the as-sprayed and remelted layers show how the laser treatment improves coating microstructure, hardness, density, and metallurgical bonding.
Adhesion of HVOF Sprayed WC-Co Coatings on Additively Processed 316L
Authors: Tillmann W. , Hagen L. , Schaak C. , Liß J. , Schaper M. , Hoyer K.-P. , Aydinöz M.E. , Garthe K.-U. 
Published: January 2023

Abstract
In this study, WC-Co coatings were deposited on additively manufactured 316L stainless steel substrates by HVOF spraying. Prior to spraying, the SLM parts were exposed to various mechanical pretreatments, before and after which their surface topography and residual stress state were assessed. After spraying, Vickers indentation tests were conducted to assess interfacial bond strength between the coating and substrate. To differentiate between topographical effects and residual stress related phenomena, stress-relief heat treatments were conducted at various points in the investigation.
Corrosion Resistance of Iron-Based Alloy Coatings Deposited by HVOF Process
Authors: Pukasiewicz Anderson Gerlado Marenda , Sucharski Gustavo Bavaresco , Siqueira Irene Bida de Araújo Fernandes , de Andrade Juliano , Váz Rodolpho Fernando , Alberto Luiz , Procopiak Jorge 
Published: January 2023

Abstract
Hydraulic turbines, valves, and pumps operate in environments where they are exposed to cavitation phenomena and corrosion, which can result in mass loss, leading to reduced performance and failure. HVOF spraying has been used to repair eroded surfaces on such components and new alloys are being developed to reduce repair costs. This investigation assesses the cavitation resistance of FeMnCrSiNiB alloy coatings deposited by HVOF spraying. Corrosion rates and oxidation potentials are measured under different conditions and compared to stainless steel coatings normally used on water turbine runners.
Characterization of Atmospheric Plasma-Sprayed Strontium Doped Lanthanum Chromite Interconnector for Tubular Solid Oxide Fuel Cells
Authors: Chen Xu , Zhang Shan-Lin , Li Cheng-Xin , Li Chang-Jiu 
Published: January 2023

Abstract
This study investigates the effect of deposition temperature and particle size on lanthanum strontium chromite (LSC) deposits produced by atmospheric plasma spraying. The results show that dense deposits with lamellar interface bonding can be achieved at temperatures above the critical bonding temperature and that particle size has a significant effect on chromium vaporization losses. The loss of chromium may be responsible for the low electrical conductivity of LSC deposits produced from small powders, which suggests that conductivity can be controlled with appropriate process adjustments.
Etch Behavior of Yttrium-Based Plasma Resistant Coating Prepared by Vacuum Kinetic Spray
Authors: Kim Yeonju , Kwon Hansol , Lee Changhee 
Published: January 2023

Abstract
This study assesses the plasma erosion resistance of Y2O3 and YF3 films deposited on aluminum 6061 substrates by vacuum kinetic spraying, a low-temperature deposition process. Y2O3 and YF3 powders with different particle sizes were selected as feedstock materials and characterized in their as-delivered and heat-treated states. Dense films several micrometers in thickness were sprayed using helium as the process gas and surface component analysis confirmed the successful formation of the yttrium-based layers. Plasma etch rates were measured in nanometers per minute and the results show that there is no significant difference between the two films.
Evaluation of the Ductility of Cold-Sprayed Copper Coatings for the Long-Term Disposal of Nuclear Fuel
Authors: Guerreiro Bruno , Vo Phyong , Poirier Dominique , Legoux Jean-Gabriel , Zhang Xuan , Giallonardo Jason D. 
Published: January 2023

Abstract
An internationally recognized best practice for disposing used nuclear fuels is to store them in specially designed containers in deep geological repositories. One type of spent fuel container is a carbon steel canister with a cold-sprayed copper coating. The aim of this study is to assess the impact of various factors on the ductility of this protective copper layer. The current investigation finds that there can be significant variability in ductility when feedstock powder size and chemical composition are changed while keeping spraying and heat treatment conditions constant. Test results show that the ductility of nitrogen-sprayed copper decreases with increasing hardness, but can be improved by raising annealing temperature from 300 to 600 °C. The effects of substrate geometry and process variations are discussed as well.
Thin Cold Sprayed Coatings for Nuclear Fuel with Enhanced Accident Tolerance
Authors: Walters Jorie L. , Romero Javier E. , Mueller Andrew J. , Stiteler Richard S. , Shah Hemant H. , Oelrich Rober L. 
Published: January 2023

Abstract
This paper describes the development of cold-sprayed chromium coatings that are used to increase the corrosion and wear resistance of zirconium-based nuclear fuel cladding tubes. Significant effort was necessary to deposit very thin layers of chromium on 4 m long, 10 mm diameter tubes by cold spraying. As explained in the paper, a final polishing step is used to reduce surface roughness and adjust coating thickness to the desired specifications.
Property Enhancement of Cold Sprayed Al-Diamond MMC Coating by Using Core-Shelled Diamond Reinforcements
Authors: Yin Shuo , Lupoi Rocco , Chen Chaoyue 
Published: January 2023

Abstract
Super wear-resistant aluminum-based metal matrix composite (MMC) coatings were produced using cold spraying. Cu-Ni coated diamond and pure diamond particles were used as reinforcing agents. Test results show that the metallic Cu-Ni shell served as a buffer layer, preventing the fracture of diamond particles upon impact as occurred with the uncoated diamond. The coated diamond particles were also found to have a higher deposition efficiency due to metallurgical bonding between the Cu shell and Al matrix. Under tribological testing, all coatings performed well, but those reinforced with the coated diamond showed higher wear resistance due to higher diamond content and involvement of Cu and Ni.
Thermal Sprayed Aluminum Coatings Al99 and AlSi12 on Carbon Fiber Reinforced Magnesium-Alloy AZ91 for Integration in Aluminum-Cast Processes
Authors: Mrotzek Tino , Condé-Wolter Jan , Behnisch Thomas , Gude Maik , Barbosa Maria , Scheitz Stefan , Schultz Davide , Leyens Christoph 
Published: January 2023

Abstract
Aluminum castings have limited strength and stiffness and tend to exhibit brittle fracture behavior under fatigue loading. These properties can be significantly improved, however, as this study shows, by reinforcing cast aluminum parts with magnesium metal-matrix composite structures. In order to obtain a bond between the cast Al and fiber-reinforced Mg composite surfaces, Al alloy (Al99 and AlSi12) layers were deposited on the Mg structures by thermal spraying. The mechanical properties of the bonding were assessed via single-lap shear and adhesive tensile tests along with optical microsection analysis. Hybrid aluminum alloy AlSi10Mg castings incorporating coated Mg-MMC inserts were also produced and examined, validating the general approach, while revealing that heat input to the MMC structure must be reduced through design or process adaptations.