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539 articles for “composition”
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Structural and Optical Study of CdSe Q-dots
Abstract: In this paper we have report the properties of CdSe Q-dots. Calculations of different parameters for different sizes of CdSe Q-dots are presented. The XRD analysis used to find the composition, crystal structure and crystallite size. Scherrer equation is used to calculate the Nano crystallite size. XRD analysis reveals that the CdSe QD crystallite sizes in the sample are 3.26 nm, 3.72 nm, and 3.20 nm by applying the appropriate …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 8, Issue 1, 2022 · pp. 25–30 Read article
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Comparative Analysis of Characterization Techniques for Nanomaterial: Strengths and Limitation
Abstract: Nanomaterials have become extremely popular in numerous fields because of their exceptional properties and potential applications. However, characterizing these materials can be challenging due to their minute size and substantial surface area. Over the years, various characterization techniques have been developed to understand the physical, chemical, and structural properties of nanomaterials. In this review, we compare and analyze the strengths and limitations of commonly used characterization techniques for nanomaterials. Several …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 8, Issue 2, 2022 · pp. 34–41 Read article
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Microscopic Avengers: The Rise of Nanorobots in Biomedical Engineering
Abstract: Nanorobotics is an emerging field at the intersection of nanotechnology and robotics, offeringa promising new frontier in biomedical engineering. Nanorobots, at the scale of a fewhundred nanometres, are designed to perform a variety of tasks within the human body,ranging from targeted drug delivery to precise surgical procedures. This article explores theevolution, design, functionality, and applications of nanorobots in biomedical engineering,highlighting their potential to revolutionize healthcare.The evolution of nanorobots has seen …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 9, Issue 2, 2023 · pp. 10–15 Read article
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Comparative study of the Magnetoelectric Properties in Core-Shell Nanocomposites as well as mixture of CoFe2O4:BaTiO3
Abstract: Nanostructures of multiferroic materials have been drawing increasing curiosity due to the boosted magnetoelectric coupling and potential for succeeding generation multifunctional devices. Composites of ferroelectric and magnetostrictive materials indicate more magnetoelectric coupling than single phase materials. Core-shell CoFe2O4:BaTiO3 nanocomposites (1:1 weight ratio) and a mixture of both of them have been produced by a combination of hydrothermal and sol gel techniques. X ray diffraction analysis endorses the presence of both …
Published in International Journal of Composite and Constituent Materials · Vol. 1, Issue 1, 2015 · pp. 1–6 Read article
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Performance of High Volume Fly Ash Concrete Using Local Power Plant Fly Ash
Abstract: Total production of fly ash in Indian Thermal Power plants is approximately 160 million tons annually. Except some super power plants, the quality of fly ash is said to be inferior in most of the power plants. The suitability of fly ash from local power plants for production of high volume fly ash (HVFA) concrete is not tested so far. The aim of the present investigation is to ascertain whether …
Published in International Journal of Composite and Constituent Materials · Vol. 1, Issue 1, 2015 · pp. 07–13 Read article
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A review on E-waste: National & International Scenario
Abstract: Electrical and electronic waste (e-waste) is one of the fastest growing municipal solid waste stream in the world. The existing management practices related to E-waste in most of countries are reasonably poor and have the potential to risk both human health and the environment. According to recent studies, only about 6 percent of the E-waste is recycled, of which 95 percent is recycled through the informal sector. E-waste recycling in …
Published in International Journal of Composite and Constituent Materials · Vol. 4, Issue 2, 2018 · pp. 21–31 Read article
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Review on Gold Nanoparticles and Their Applications
Abstract: Gold nanoparticles are attention because of the outstanding properties (e.g., size and shape depending optical, electrical, and magnetic properties) which can be included into antimicrobial applications, biosensor materials, composite fibers, cryogenic superconducting materials, cosmetic products, and electronic components The properties of Au NPs are different from their bulk form due to the increased surface-to volume ratio determined by the assembly of the Au NPs and the inter-particle interaction. This review …
Published in International Journal of Composite and Constituent Materials · Vol. 4, Issue 2, 2018 · pp. 32–39 Read article
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Particle Size Measurement of Porous Silicon Particles: A Short Review
Abstract: Nano particles of increasingly smaller particle size and various material compositions are being developed for the pharmaceutical, bio-medical, electronics, optoelectronics, energy, catalyst and ceramic industry. These nanoparticles are very much useful in numerous applications of nanoscience and nanotechnology field. Several nanoparticles can be formed and dissolved in aqueous or liquid medium. Porous silicon film can be fabricated by reaction induced vapour phase strain etch method and porous silicon nanoparticle can …
Published in International Journal of Composite and Constituent Materials · Vol. 5, Issue 1, 2019 · pp. 8–11 Read article
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Corrosion Inhibitors for Steel Appliances
Abstract: Inhibitors of corrosion in stainless steels are based on alloy developments. Effects of various alloy elements are to form passive film on surfaces under corrosive conditions. Tendency of passive film formation has rendered stainless steel to be applicable for any sector except bio-medical purposes. Line pipe of flow lines and gathering lines are suggested to use conventional carbon steel pipe with cost effective inhibitors. Duel phase stainless steels or improved …
Published in International Journal of Composite and Constituent Materials · Vol. 5, Issue 1, 2019 · pp. 1–7 Read article
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Evaluation of Antimicrobial Efficacy of Photogenic Iron Nanoparticles Against Xanthomonas campestris
Abstract: This study investigates the antimicrobial efficacy of photogenic iron nanoparticles (FeNPs) against Xanthomonas campestris, a notorious plant pathogen causing bacterial spot disease in various crops. The synthesis of FeNPs was achieved through a facile and eco-friendly green synthesis approach, utilizing a plant extract as a reducing and capping agent. The resulting photogenic FeNPs were characterized using various analytical techniques, confirming their size, morphology, and composition. The antimicrobial activity of the …
Published in International Journal of Composite and Constituent Materials · Vol. 9, Issue 2, 2023 · pp. 37–54 Read article
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Microstructure Dependence of Electrical Properties in AgI- and Ag2S-Doped Glass Nanocomposites
Abstract: In this paper, we report the study of microstructure dependence of ion conduction for several AgI- and Ag2S-doped glasses and glass nanocomposites systems. The structure and electrical properties of these samples have been studied and the effects of formation of nanocrystalline phases on the electrical properties of these glasses are presented. The microstructure of these glasses was studied employing transmission electron microscope (TEM). The temperature dependence of dc conductivity shows …
Published in International Journal of Composite Materials and Matrices · Vol. 1, Issue 2, 2015 · pp. 9–13 Read article
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Experimental Analysis on the Characteristics of Gas Turbine Blade Materials
Abstract: Gas turbine technology is gaining importance and has become viable option in most of the applications in view of depleting fossil fuels. Material research has widened the scope and life of gas turbines with improved performance. Present work experimentally studies about the characteristics of different materials that can be used in gas turbines and in particular, turbine/compressor blades. Nickel, Titanium and steel alloys of different metal compositions are selected. Hardness …
Published in International Journal of Composite Materials and Matrices · Vol. 2, Issue 2, 2016 · pp. 19–23 Read article
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Fibre reinforced polymers for compressed hydrogen storage vessels: An overview
Abstract: Fibre reinforced plastics (FRPs) represent an interesting class of composite materials that is gaining importance in the fabrication of various mechanical components as a substitute for metals and alloys, particularly lightweight and high strength pressure vessels for compressed gas storage. They are an important component of hydrogen energy system for vehicular applications, where compact and safe on-board storage of hydrogen gas as a fuel at high pressures of up to …
Published in International Journal of Composite Materials and Matrices · Vol. 4, Issue 1, 2018 · pp. 18–29 Read article
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Studies of meta-materials
Abstract: AbstractMeta-materials are artificial composites designed to operate electromagnetic property. Properties of wave nature manipulation have originated fashioned fabrication. This has to perform as rigorous as subjected under adoption specific optical or microwave or acoustic provision. Fabrication has precision formof shape, geometry, size, orientation and arrangement of materials.Applicationof meta-materialsincludes super resolution imaging and optical as well acoustic sensing. Decay, separate and couple among as split transverse electric and magnetic to that …
Published in International Journal of Composite Materials and Matrices · Vol. 6, Issue 2, 2020 · pp. 47–52 Read article
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Developments of Photonic Ferroelectric Ceramic Compose
Abstract: This article is a study of imposed interposed crystal allotropic modification underexposure of electricity. Ferroelectric photonic ceramic powder and films are usual studied in preparation from adoptive transduction in the same crystal based on electrical gradient. Ferroelectric ceramics and thin films used to be processed by the sol-gel method, where empirical variables of interest have been their chemical composition, constituent phases, and microstructure. Functional attributes made metal oxide compose like …
Published in International Journal of Composite Materials and Matrices · Vol. 7, Issue 1, 2021 · pp. 37–44 Read article
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Plastics Compressive Strength Testing
Abstract: Compression test is a mechanical test that determines how much compressive force a material to resist before cracking. A gradually applied load compresses the test item, which is commonly in the shape of a square, pyramid, or cylinder, between the platens of a compression-testing machine. Many ductile metals, such as mild steel, have extremely high compression strength, yet measuring them is challenging. Whenever a load is given to a ductile …
Published in International Journal of Composite Materials and Matrices · Vol. 7, Issue 2, 2021 · pp. 46–50 Read article
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Analyzing the Effect of Rice Husk Ash & Quartz Powder on Mechanical Properties of Polypropylene Fiber Based Concrete Using Regression Analysis
Abstract: Several works were identified with sustainable development have uplifted the improvement of composite binders incorporating Portland cement, industrial, agricultural by- products and partial substitutions to aggregates. One of the most adverse effects of using cement is the emission of CO2 into atmosphere during production and it can be reduced with the effective use of cementitious materials. Several efforts were attempted to make use of supplementary cementitious materials to enhance the …
Published in International Journal of Composite Materials and Matrices · Vol. 7, Issue 2, 2021 · pp. 51–57 Read article
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Production of Paint Using Locally Sourced Materials
Abstract: In this research work, a prototype mixer was fabricated particularly for the purpose of this research in which paint production was carried out. For the processing, two formulations were used with the same composition but differs in extender pigment. Calcium carbonate was considered and used as an extender pigment which gives white coloured paint with titanium oxide as prime pigment. This was due to the colour of the periwinkle shell …
Published in International Journal of Composite Materials and Matrices · Vol. 8, Issue 2, 2022 · pp. 35–40 Read article
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Similar Analysis of Blend of Virgin PVC and NBR with Recycled PVC and NBR
Abstract: Studies about led on mixing of polymers like acrylonitrile butadiene elastic (NBR) and polyvinylchloride (PVC) to deliver new polymeric materials with particular properties which can be utilized for some exceptional applications. This mix has been formulated for items working in contact with castor oils. Mixes at various temperature show that an ideal temperature exists for its arrangement. Incorporating PVC in various compositions has enhanced their physico-mechanical and chemical properties of …
Published in International Journal of Polymer Science and Engineering · Vol. 2, Issue 1, 2016 Read article
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Studies of several form of material science
Abstract: This article summarizes some studies from cellular foam applicable for permanent configuration. Cells closed by thin films or interlinked by pores. Foam isusedto absorb mechanical properties, heat exchange between liquid and solids henceforth permeable response lead interlinked cellular foam. Various foams are metallic foam, surgical foam, fire resistant building foam, etc. Adoption of light weight fabrication in auto sector has applied foam of polymer, and polymer composite foams to replace …
Published in International Journal of Polymer Science and Engineering · Vol. 6, Issue 2, 2020 · pp. 21–27 Read article