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1992 articles for “Keywords”
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Biosynthesis of Nanoparticles : Revi
Abstract: Nanotechnology can be defined as the characterization, exploration and application of nanosized (1-100nm) materials for the development of science. Though chemical methods continue to be analyzed for the shape and size controlled synthesis of metal nanoparticles, they can be nocuous to the environment due to the use of toxic chemicals. Research erstwhile has demonstrated that utilization of biological organisms majorly microorganisms has been emerging as a novel and unique method …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 3, Issue 1, 2017 · pp. 28–35 Read article
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The Existence of Two States in Liquid Water and Its Impact on Biological and Nanoscopic Systems Around Us
Abstract: This work reviews several properties of liquid water, including the dielectric constant and the proton-spin lattice relaxation, and draws attention to a bilinear behavior defining a crossover in the temperature range 50 ± 10°C between two possible states in liquid water. The existence of these two states in liquid water plays an important role in nano-metric and biological systems. For example, the optical properties of metallic (gold and silver) nanoparticles …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 3, Issue 1, 2017 · pp. 16–21 Read article
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A Review on Perovskite Solar Cells
Abstract: A solar cell is a device that converts directly sunlight into electricity. crystal structure as CaTiO3 known as the perovskite structure. Perovskite solar cells are recorded with 26% efficiency with low processing cost and high stable characteristics. In this report, few problems are highlighted which is needed to be resolved for much better perovskite solar cell like toxicity, durability, cost-effectiveness. we present the lead-free perovskite light absorbers for solar cell …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 3, Issue 1, 2017 · pp. 36–40 Read article
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Synthesis, Structural and Thermal Properties of Nanoporous Silica Aerogels
Abstract: Aerogel is a pellucid that has varieties of permeable and fabricated solid materials with remarkably low density. It has an exceptional thermal insulation and its structure varies from analogous to foamed polystyrene during solid state. Aerogels are considerably the lightest when solid due to presence of air by volume, which is around 99.8%. For extracting aerogels, air or other specific types of gas are used; heat therapy is also used …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 4, Issue 1, 2018 · pp. 1–7 Read article
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Synthesis and Characterization of Nickel Doped BFO Nanoparticles
Abstract: In the present, work we have synthesized the pure and Nickle doped bismuth ferrite at different concentration by the chemical route method. Increasing in the doping concentration leads to generation of secondary phase, thus dopant concentration is maintained to 5mol%. XRD was used to confirm the phases transformation of nanocrystalline composite materials along with measurement of the crystallite size. Scanning electronic microscopy (SEM) was used to study the morphological properties …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 4, Issue 1, 2018 · pp. 17–29 Read article
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Synthesis, characterization, antibacterial activity and in-vitro cytotoxicity of Dy and Fe doped hydroxyapatite nanomaterials
Abstract: Dy- and Fe-doped hydroxyapatite (HAp) was synthesized by the facile aqueous precipitation method. The samples were characterized by using powder X-ray diffraction, Fourier transform infrared spectroscopy and transmission electron microscopy. In this work, the antibacterial activities of Dy- and Fe-doped HAp were tested against gram-positive (Staphylococcus aureus, Bacillus subtilis) and gram-negative (Escherichia coli, Klebsiella pneumoniae and Pseudomonas putida) bacteria by agar diffusion test. It was found that Dy(5)-and Fe(5)-doped HAp …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 4, Issue 1, 2018 · pp. 46–54 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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Graph Theory and Matrix Method for Development and Design of Combustion Engine
Abstract: The idea upon which any methodology development is pillared leads to real time decisions if simulation and assessment is as per the standard codes set by standard organizations. More near is the system with standard system more it is appropriate for operation. In the present work system under consideration is internal combustion engine. Fuel cost is one of the most important parameter in life cycle analysis of the internal combustion …
Published in International Journal of Composite and Constituent Materials · Vol. 2, Issue 1, 2016 · pp. 16–25 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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Thermal Analysis of I.C. Engine Poppet Valve Using FEM: A Review
Abstract: Abstract: Inlet and outlet valves in I.C. Engines are referred to as poppet valves. These valves are operated by the valve mechanism. When these valves are uncovered to the heat thermal stresses are evolved in order that thermal evaluation is very important to predicting and stopping failures in valves. The foremost position of the valve train is to ensure the gases change manner for all the engine speeds. The valve …
Published in International Journal of Composite Materials and Matrices · Vol. 4, Issue 1, 2018 · pp. 30–37 Read article
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Behavior and Comparison of Mixture of High Strength Concrete (M45) and Super Plasticizers (SP 430)
Abstract: The aim of this paper is to study the High Strentgh Concrete of mix design M45 with P.P.C, O.P.C and compare the Mechanical Properties. Admixures have been used for generating High Strength Concrete and optimum dosage. Comparative studies of High Strentgh Concrete using P.P.C, O.P.C and by using 0.5%, and 1% of Super Plasticizer (S.P 430) with O.P.C. KEYWORDS: High Strength Concrete, Mechanical Properties, Super Plasticizer-430, PPC,OPC.
Published in International Journal of Composite Materials and Matrices · Vol. 4, Issue 1, 2018 · pp. 11–17 Read article
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Three body Abrasive wear behavior of A356 Aluminum alloy in different Solution treated condition
Abstract: In the present study, solution treatment of A356 Al alloy was carried out in three different ways namely T4-Solution Treatment – TB Condition, T5-Precipitation (Ageing) – TE Condition and T6-Solution Treatment and Precipitation Hardening – TF Conditions. Three body abrasive tests were carried out for all the solution treated samples as well as base metal. The influence of the heat treatment on the microstructure, hardness and abrasive wear resistance behaviour …
Published in International Journal of Composite Materials and Matrices · Vol. 4, Issue 2, 2018 · pp. 27–32 Read article
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Sliding wear behavior of plasma sprayed NiCrAlY-WC based composite coatings on AA5083 alloy
Abstract: WC based coatings was deposited by thermal spray process have been extensively used in industrial application to counter abrasive type of wear. In this study, for the first time NiCrAlY-WC based composite coatings were deposited on AA5083 substrate by plasma sprayed coating technique. The composite coatings were characterized by optical microscopy (OM), scanning electron microscopy (SEM) and microhardness. Sliding wear behavior of coated and uncoated samples was carried out on …
Published in International Journal of Composite Materials and Matrices · Vol. 4, Issue 2, 2018 · pp. 21–26 Read article
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Mechanical Behavior and Model Fitness of the Natural Fiber Composite: A Study on Orange Peel and Charcoal Composite
Abstract: In this paper, orange peel with charcoal in addition with epoxy resin composite is tested for the behavior of mechanical properties. The results depicted that the best hardness, thickness, tractable flexural are getting for the material organized with the 20 % of weight sustained orange strip epoxy composite. The obtained results were also tested for regression analysis for validate the experimental data for assessment of model fitness. Keywords: natural composite …
Published in International Journal of Composite Materials and Matrices · Vol. 4, Issue 2, 2018 · pp. 33–42 Read article
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Strain Based Approach to the Fatigue Evolution Modeling of Concrete under Tension-Tension Loading
Abstract: Abstract: Strain based Approach to the Fatigue Evolution Modeling of Concrete under Uniaxial Tension-Tension Loading plays a very important role in the evaluation of the material properties of concrete utilizing strain analysis methods, the nonlinear fatigue strain evolution model is proposed, and the hypothesis of recycle ratio related fatigue strain amplitude causes stiffness degradation and inelastic deformation is briefly described which are the essential material properties of concrete. This paper …
Published in International Journal of Composite Materials and Matrices · Vol. 5, Issue 1, 2019 · pp. 36–56 Read article
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3D printing of polymers by fused deposition modeling (FDM): filament ink to composite materials
Abstract: 3D printing technology has gained significant attention for its rapid manufacturing of on-demand customized objects from digital computer-aided design (CAD) model without need molds or machining. Polymers are the most utilize a class of commercial materials in additive manufacturing (AM) because of excellent physico-mechanical properties with desired objects. Fused deposition modeling is the filament based printing process which most widely popular for commercial thermoplastics polymer than other manufacturing techniques because …
Published in International Journal of Composite Materials and Matrices · Vol. 5, Issue 1, 2019 · pp. 1–14 Read article
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Finite Element Analysis of Composite Tube
Abstract: Abstract – In many industries, composite tubes are preferable than other materials, like, aluminum, steel, wood, iron. The durability, strength, stiffness, weather and corrosion resistance of the tubes are required properties in industries. It is fabricated in several layers depending on their functions. In this study, composite tube is modeled using ANSYS software by changing material properties and layer orientation. ANSYS can predict results before fabricating composite sample. The meshed …
Published in International Journal of Composite Materials and Matrices · Vol. 5, Issue 2, 2019 · pp. 48–59 Read article
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Failure Prediction of Composite Lamina
Abstract: Composite materials are preferable in many applications of engineering than their metallic equivalent. These materials provide desirable characteristics and required properties for specific design and testing. In orthotropic fiber composites, the fiber orientation dictates the material properties, because the properties can be built into the laminate during fabrication. In this study, a composite laminate is tested with a specific configuration whether it would fail or survive under specific load. If …
Published in International Journal of Composite Materials and Matrices · Vol. 5, Issue 2, 2019 · pp. 27–36 Read article
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Thermo-Mechanical Properties of Banana and Jute Fiber Reinforced Polypropylene Composites
Abstract: Abstract Present research aims at finding out better fiber reinforcement for low cost and eco-friendly polymer matrix composite. Polypropylene was chosen as a matrix, while jute and banana fiber were chosen as reinforcement. Composites were prepared by using a hot press machine. Fiber loading was varied at 0, 4 and 8 volume%. Both raw jute and banana fiber was chemically treated with 5 wt% sodium carbonate and composites were also …
Published in International Journal of Composite Materials and Matrices · Vol. 5, Issue 2, 2019 · pp. 37–47 Read article
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Dynamic Behavior of Hybrid Unidirectional Without Cracked Composite Plate
Abstract: The composite material is one of the most common materials used in engineering applications due to the wide range of properties, high strength, cheap, easy to manufacture and lightweight. Therefore, many studies and researches have been conducted and are currently being conducted to obtain the appropriate mathematical models that describe the behavior of these materials when exposed to different types of mechanical loads. A mathematical model was built by using …
Published in International Journal of Composite Materials and Matrices · Vol. 6, Issue 1, 2020 · pp. 36–47 Read article