bluuebunny/crossref_metadata_2025_split huggingface dataset:
A study on emerging contaminant amiodarone removal in water - experimental investigations and modeling
Authors: Chinnaiyan P , Thampi S G , Prakash E Lalith , Abinaya K , Varshini P 
Published: June 2020

Abstract
In the recent times, pharmaceutical contaminants in water are posing a negative impact on the environment. In India, pharmaceutical contaminant Ciproflaxin was detected at a highest concentration of 31 mg/L from the wastewater effluent of bulk pharmaceutical production plant located in Hyderabad. To increase the overall removal of these emerging pharmaceutical contaminants pre-treatment of strong pharmaceutical wastewater at a higher concentration can be done. In this study one of the critical pharmaceutical contaminant in India, Amiodarone (AMD) removal was investigated employing a UV/TiO2 based photoreactor. Three parameters were included in the study. The parameters include initial concentrations of AMD ranging between 50 and 100 mg/L, reaction time between 10 and 30 min, the photocatalyst concentration viz., TiO2 dosage between 500 and 1000 mg/L. The experimental data was used for performing the further analysis and was done using MINITAB software. An empirical equation was obtained correlating the Amiodarone removal and the three parameters considered in the study.
Effect of molar content on GGBS based geopolymer pervious concrete
Authors: Malayali Anandh Babu , Chokkalingam Ramesh Babu , Hari Krishnan T , Nagaselvam P 
Published: June 2020

Abstract
GGBS based Geopolymer pervious concrete (G-GPC) with different molar ratio M8, M10 and M12 studied in this research work. Geopolymer concrete normal fly ash used but in this study GGBS is used, for maintaining the previous property in G-GPC without fine aggregate, 12mm size coarse aggregate utilized in this work, Alkaline solution (sodium silicate NaoH and sodium hydroxide Na2Sio3). Alkaline liquid to solid ratio 0.45. Ratio between Sodium silicate and sodium hydroxide is 2.5. The casted concrete kept in ambient curing. The specimens are attending compression test, Split tension test, Water absorption test, density tests are conducted in the specimen. The Experimental results are analyzed by ANNOVA analysis Method and compare the results of compression test split tension test water absorption test. Based on the above study M12R2.5 G-GPC is perform well when compared to other two molar ratio.
On the Bonding and Electrochemical Performance of Sputter Deposited WO3 Thin Films
Authors: Naveen Kumar K , Shaik Habibuddin , Sathish  , Madhavi V , Abdul Sattar Sheik 
Published: June 2020

Abstract
Tungsten oxide (WO3) thin films have attained a distinct and special place in the field of electrochromism. Therefore, any sort of study towards this material will invariably has lot of importance and technological significance. The films of WO3 were deposited by reactive magnetron sputtering at various partial pressures and annealed at 475°C. There is a tremendous change in the bonding characteristics, which eventually shows significant change in the optical and electrochemical behavior. The bandgap of WO3 films is found to be increasing with different oxygen partial pressure. A systematic study of cyclic voltammetry has been done to analyze the electrochemical behavior of WO3 films. Oxidation and reduction peak currents have shown an increasing trend with the oxygen partial pressure. Raman spectroscopy has revealed the improvement in the atomic ordering in WO3 films.
Behaviour of laminated composite sandwiched structures under thermal conditions
Authors: Krishna H , Chalak H D 
Published: June 2020

Abstract
Laminated composite structures with their properties such as high specific strength, low self-weight and high stiffness to weight ratio along with their design flexibility made them widely used in the field of manufacturing of aircraft, structural engineering, aerospace and other engineering field. But the analysis of behaviour of laminated composite structures is very difficult due to their layered structural arrangement. In this study, 3-D finite element based model for the analysis of laminated composite and sandwich structures are developed using ABAQUS software and the behaviour of the model under different thermal stress condition along with various conditions such as aspect ratio thickness ratio and boundary condition is analysed.
Investigations on silver incorporated RF sputtered ZnO thin films
Authors: Francis Melda , Kuruvilla Anu , Francis P Martin , Lakshmi M 
Published: June 2020

Abstract
In this work, ZnO thin films were fabricated using RF Magnetron Sputtering technique on ITO substrates. The operating parameters time of deposition, Argon working pressure, distance between target and substrate, oxygen pressure, RF power etc. were optimized so as to get good quality ZnO thin films. The prepared films were characterised using various techniques like XPS, SEM, EDS etc. It was observed that the sheet resistance of the pristine ZnO film was around 200 MΩcm−1 even when coated on ITO substrates. For device level application the resistance of the film must be low. Therefore silver was incorporated by sputtering, and it served the purpose of reducing the sheet resistance of pristine ZnO film. The Ag incorporated films were also characterised by the above mentioned techniques. Detailed compositional analysis was done using depth profiling method of XPS. Resistance measurements were also done in these samples. The sheet resistance decreased (from ∼ 200 MΩcm−1) to a range of about 500 MΩcm−1 by silver incorporation.
Experimental investigation on strength properties of poly - propylene fibre reinforced concrete
Authors: Jagan D , Shankar V , Sundara Mahalingam T , Sathyan Dhanya , Mini K M , Sahai Garvit 
Published: June 2020

Abstract
The scope of the current investigation is to examine the mechanical properties of concrete with the addition of DURASTRAN Poly-propylene macro-fibres. The incorporation of highly engineered poly-propylene macro-fibre in concrete will result in improving many physical and mechanical properties of the concrete. Poly-propylene macro-fibre reinforced concrete has various applications such as tunneling & mining, commercial & industrial flooring and precast concrete structures. High strength (M40 grade) concrete with 0.36 water-cement ratio was used in this study. Poly-propylene macro-fibre was added only as an additional material, not as a replacement to aggregates. Various strength properties like compressive strength, tensile strength and flexural strength were studied and reported.
Mechanical behaviour of self compacting concrete with hybrid fibres
Authors: Prabu P S Lakman , Rambharath S , Vivek S S 
Published: June 2020

Abstract
Research lag on the stainless steel scrap (lathe waste) on the mechanical behaviour of self-compacting concrete was inferred. It is proposed to investigate the mechanical and flexural behaviour of self-compacting concrete completely under IS-10262:2019 (chapter 7: SCC). Here the effective utilization of materials namely steel fibre and lathe waste as an additive, cement is to be partially replaced with Ground Granulated Blast Furnace Slag (GGBS) along with High Range Water Reducers (ether-based superplasticizer) are to be compared with the control specimen of SCC. Adding fibre content to the volume of concrete by replacing 0%, 0.5%, 1.0%, 1.5% and 2.0% of steel fibre and constant replacing of 0.125% of stainless steel scrap with steel fibre and proceeds as a hybrid combination in SCC.
Investigation on the effect of steel fibers in geopolymer concrete
Authors: Chithambar Ganesh A , Sowmiya K , Muthukannan M 
Published: June 2020

Abstract
This research work throws lime light in mitigating the brittleness of GGBS based geopolymer concrete through the addition of high modulus fibers. This work invests the effects of incorporation of steel fibers in geopolymer concrete over workability, compressive, split tensile, flexural, ductility factor and energy absorption capacity. The steel fibers were added in proportions such as 0.25, 0.5, 0.75, 1 and 1.25 percent of the volume of concrete. The results report that addition of steel fibers have positive impacts over mechanical properties, ductility and energy absorption capacity. This paves way for extending the scope of geopolymer concrete in various facets to replace the cement concrete effectively.
A novel method to predict pozzolanic nature of concrete with sintered clay using soft computing techniques
Authors: Archana Reddy R , Sivakrishna A , Gobinath R , Ramesh Babu D 
Published: June 2020

Abstract
This research focuses on studying the effect of different pozzolanic materials (Metakaolin, fly ash, silica ash, micro clay, ordinary clay and their combinations) on strength of concrete cured for a period of time - 56 days. This work primarily deals with the compressive strength and split tensile strength of concrete. First four mixes were made by adding 1-2% of pozzolanic materials in concrete. Next five mixes were made by increasing the percentage of clay and lime as a substitute of cement in concrete. A comparative study is done between experimental data and predicted data. Bountiful research works were done using soft computing tools to predict the strength characteristics of concrete, in this work we had employed Levenberg-Marquardt and Bayesian Regularization approach to predict. ANN is employed to measure the outcome performance of admixtures added while varying the curing period. Best fit models were arrived using back propagation method of ANN, R2 values were obtained in the range of 0.91 showing the effectiveness of the study. It is suggested that this proposed algorithm can be employed to predict the strength characteristics of concrete.
Flyash and carbon fibers reinforced aluminum-based matrix composite for structural applications
Authors: Patil Adarsh , Banapurmath N R , Hunashyal Anand M , Meti Vinod Kumar V 
Published: June 2020

Abstract
Aluminum alloy and its composite showed excellent physical and mechanical properties. But still, there is a scope in improving the mechanical properties of the composite for the structural, automobile, and aerospace industry. The composites have been prepared to reach the needs of the industry. In this present work, micro-fillers such as fly ash, and carbon fiber reinforcements were added to the base AA7076 matrix and fabricated the composite using a motorized stir casting technique. AA7076/fly ash and AA7076/carbon fiber composites were prepared by varying wt.% percent of fly ash and carbon fiber reinforcements (0.5, 0.75, 1, and 1.25 wt.%) and results were compared. The SEM micrographs revealed the homogeneous distribution of fly ash and carbon fiber reinforcements along the grain boundaries of the AA7076 matrix material. The composites with 1 wt.% of micro-fillers showed superior hardness and tensile strength as compared to other reinforcement composite and base matrix. The experimental test results revealed that the addition of fly ash and carbon fiber reinforcements improved the mechanical properties of the AA7076/fly ash and AA7076/carbon fiber composites as compared to the AA7076 matrix material. Among them, the comparative study revealed that the AA7076/carbon fiber composite has showed homogeneous distribution of reinforcements and improved mechanical properties.
Study on a revolutionary composite material: functionally graded material (FGM)
Authors: Gupta Simmi , Chalak HD 
Published: June 2020

AbstractFunctionally graded material (FGM) is a class of advanced materials which have dual phase composition with uniformly varying material properties in thickness direction. This paper describes the basic concepts, rules for assessment of material properties gradation, processing techniques, classification, application and design aspect of FGM. Based on analysis the present scenario of FGM is discussed and future research direction is suggested.
Effect on addition of Polypropylene fibers in wood ash-fly ash based geopolymer concrete
Authors: Arunkumar K , Muthukannan M , Dinesh Babu A , Hariharan A L , Muthuramalingam T 
Published: June 2020

Abstract
In this study, optimization of wood ash and fly ash by varying 0-100% of both in GPC were carried out by testing the concrete for compressive strength. From the previous literatures it could be noted that, GPC had a less brittleness and energy absorbent. To improve the brittleness and energy absorption capacity polypropylene fibre were added by 0, 0.5, 1, 1.5, and 2 % of volume fraction. Further, effects on addition of polypropylene of the optimized wood ash-fly ash based Geopolymer were studied. In this study, the mechanical properties such as compressive strength, tensile strength, flexural strength of geopolymer concrete were investigated. The results showed that, 30% replacement of wood ash increased the compressive strength by 12.2% than the conventional mix. Further, addition of 1 % of PP fibre had also increased the compressive strength, tensile strength, flexural strength by 3.7%, 15.6% and 5.13% respectively.
Strain sensing capabilities of Ag-sandwiched ITO as transparent thin film resistor
Authors: Bhat Shreyas P , Bharathi S H , Nayak M M 
Published: June 2020

Abstract
Strain sensors with good sensitivity and high optical transparency are of notable use in smart and transparent electronics which demands opto-electromechanical application. In this work, strain sensing capabilities of thin film resistor with high optical transparency is evaluated. Transparent Thin Film Resistor (TFR) was prepared by sputtering trilayer of Indium Tin Oxide (ITO) and Silver (Ag) on flexible polyethylene terephthalete (PET) substrate. ITO thin film was optimized to achieve resistivity of ∼5.5 × 10−4 Ω.cm with ∼91% optical transmission in visible wavelength. Insertion of thin silver film (∼10 nm) between ITO films by sputtering at room temperature produced film resistivity ∼6 × 10−5 Ω.cm and resistance ∼4 K.Ω to serve as strain sensing layer. Longitudinal piezoresistive response was evaluated by cantilever beam bending method. Gauge factor of 3.5 ±0.3 and optical transmission of ∼87% in 400-800 nm wavelengths (visible region) was measured on the transparent TFR. Piezoresistive response was linear and reproducible with minimal hysteresis for strains up to 280 μƐ for the measurements carried out at ambient conditions.
Reduced graphene oxide nano particle based cryogenic sensor for measurement of liquid level and recording
Authors: Belthangadi Pavithra , Kedambaimoole Vaishakh , Prabhu Smitha G , Ramachandra A C 
Published: June 2020

Abstract
For nearly a decade, liquid level sensors have been on the market as white food or beverage products, manufacturing, medical, residential, farming, automotive, aerospace, defense and liquid leak detection or level measurement devices. The nano material-resistive sensor based on reduced graphene oxide is highly sensitive and highly reactive to level measurement. This rGO liquid level sensor was developed, and using screen printing process, nano material film is printed on Al2O3 substratum. For safety purposes the sensor film was coated with Parylene-C. The rGO-based nano material was synthesized using Modified Hummer process. A linear relationship between the rGO film’s resistances was observed due to the change in liquid level, which implies fast detection and therefore calibration. With its fast and cost-effective manufacturing process, this liquid level sensor has considerable potential in industries where liquid level sensing is mandatory e.g. pharmaceutical also, space, automotive and even for liquid storage, liquid levels using cryogenic fluids of H2O icewater, LCO2, LN2, LH2, LOX and LHe.
Behaviour of alkali activated concrete under marine conditions
Authors: Saravanakumar P , Kalaivani P 
Published: June 2020

Abstract
This study aims to investigate the mechanical and durability behavior of flyash and slag based alkali activated concrete mixes under marine conditions. To fulfil the aim of this study, various tests such as Compressive Strength test, Sorptivity test, Half Cell Potential test and Alkalinity tests were done on both flyash and slag based alkali activated concrete. The experimental results showed that the alkali activated concrete attains its strength at earlier stages when compared to control concrete and it also has low sorptivity value which influences much indurability under marine conditions. Though it was cured in acidic environment for four weeks the alkali activated concrete samples showed only intermediate risk of corrosion.
Impact of Tin concentration in ITO films on Optoelectronic sensor performance
Authors: Ramanathan G , Murali K R 
Published: June 2020

Abstract
In viewing the opportunity to enhance Photovoltaic application, nine samples having different concentrations (5%, to 70%) were synthesized by sol gel Acrylamide route. XRD study indicates the entire films exhibited single phase with bixbyte structure for all films. EDXA studies confirm the existence SnO2 enclosures in the entire samples. Atomic force micrographs of ITO films conclude that the grain size decreases with increase of tin concentration. Hot probe measurements reinforce the optimum concentration of tin (10%) for its transport properties, their optoelectronic application of DSSC. This paper focuses on the DSSC performance. In this work ITO films and their gas sensing characteristics are studied and their results are reported. ITO based H2S sensor with 70% tin concentration exhibited maximum sensitivity at 100 °C with higher recovery time than the response times. After a long time, ITO films with different concentrations of tin (450 °C) return to the original state.
Structural characterization and rietveld refinement of CeO2/CoFe2O4 nanocomposites prepared via coprecipitation method
Authors: Vashistha Indu , Rohilla Sunil 
Published: June 2020

Abstract
The CeO2/CoFe2O4nanocomposites were synthesized through the co-precipitation approach followed by heat-treatment. As-prepared sample were sintered at temp 600°C and 800°C for two hours. To study the structural characterization of the prepared samples X-ray diffraction (XRD) technique was used. The obtained XRD data was further refined through the Rietveld method by using the fullprof suit software. The heat-treated samples exhibit two crystalline phases namely CeO2 and CoFe2O4. The refinement confirmed that all the samples are cubic structure. The CoFe2O4was found to have an fcc cubic structure with space group Fd-3m(227), whereas the crystal structure of CeO2 has fcc structure with space group Fm-3m(225). In this paper, the lattice parameters, bond length, bond angle, particle size, lattice strain, dislocation density were studied in detail. The Wyckoff positions and interatomic distance have been calculated.
Rietveld refinement and structural characterization of TiO2/CoFe2O4nanocomposites
Authors: Preeti  , Rohilla Sunil 
Published: June 2020

Abstract
The nanocomposite of titanium dioxide and cobalt ferrite (TiO2/CoFe2O4) is synthesized using the co-precipitation method. The structural characterization of the prepared composite has been done with complementary methods like X-Ray diffraction (XRD). X-ray diffraction data has been used to determine the formation of composite (TiO2/CoFe2O4) and to estimate structural changes in terms of lattice imperfection. We have used the Rietveld method to refine the XRD data. The Rietveld refinement leads to specify the anatase phase of Titanium oxide. The crystal structure of anatase (TiO2) is tetragonal with space group 141/a m d. The refinement of sample confirms the formation of two crystalline phases i.e rutile (TiO2) and cobalt ferrite. Here the lattice parameters, bond length, bond angle, crystallite size, lattice strain, and dislocation density, for the obtained phases of nanocomposites has studied in detail. The Wyckoff positions and interatomic distance of the composite atoms have been calculated. Some applications of nanosized TiO2 and CoFe2O4 have also been highlighted.
Study on SAP with different absorption capacities and its effects on Self Curing HPC
Authors: Poornima V , Venkatasubramani R , Sreevidya V , Vignesh Vaishnao , Adithan K 
Published: June 2020

Abstract
Internal moist curing by Super Absorbent Polymer (SAP) plays an vital role in strength development and durability of High Performance Concrete (HPC). The aim of this study is to examine how the strength reduction happens by adding super absorbent polymer and rectification of strength reduction using micro fillers. The amount of SAP added to the concrete was calculated using the absorption capacity that was obtained as a result of tea bag test. The present study also involves the use of super absorbent polymer in gel and dry state to both mortar and concrete. First strength property was tested in mortar for both gel and dry state. It was found that SAP added in dry state to mortar has no adverse effect on compressive strength and tested. In the present work additional micro filler (silica fume) with different ratios: 0.0%, 10%, 15%, 20% of weight of cement is added to improve the mechanical properties of high strength concrete with SAP. The concrete samples are subjected to ambient curing and mechanical properties (compressive strength and modulus of rupture) were evaluated at different ages, up to 28 days. Durability property such as sorptivity, water absorption and carbonation was conducted on HPC. The effect of internally cured concrete was studied and compared with conventionally cured concrete.
Predicting the characteristics of pond ash concrete using artificial neural networks
Authors: Yadav G Swamy , Sudarshan Dara Swetha , Sahithi G , Prasanna E Laxmi 
Published: June 2020

AbstractTo improve the Engineering perspectives towards the eco-friendly environment, many efforts and researches made in the field of concrete. Adding many supplements to the concrete mix mostly results in durable concrete. Thermal power plants produce a large number of wastes like flyash, pond ash, and bottom ash. Flyash is already being used in cement industries to produce Portland Pozzolana Cement. Some researchers concluded that pond ash could also replace river sand in the concrete mix. Anticipating the compressive strength of pond ash concrete has consistently been trouble since the concrete is sensitive to its blend segments, techniques for blending, compaction, curing condition, and so forth. Scientists have given various strategies for foreseeing the properties of concrete. However, some others were not appropriate enough to predict the compressive strength of pond ash concrete. The point of this investigation is to assess the ability of the Artificial Neural Network Model (ANN) in predicting the compressive strength of pond ash concrete after 28 days of curing. Accordingly, considering specific Concrete characteristics as input factors by considering various rates 0% to 25% in steps of 1% increment of Pond Ash replaced in place of sand in Traditional Concrete of M30 Mix, Artificial Neural Network Model is built, and the properties of concrete predicted. Results demonstrated that ANN could be an alternative approach for anticipating the compressive strength properties of pond ash concrete.