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1376 articles for “Act”
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Advanced Techniques for Delamination Toughening in Carbon Fibre Reinforced Composites
Abstract: Carbon fibre reinforced composites are widely used in various industries due to their excellent strengthto-weight ratio and stiffness properties. However, one of the major issues in these composites is delamination, which occurs due to the weak interlaminar bonding between the layers of fibers and matrix. Delamination leads to a reduction in the load-carrying capacity and structural integrity of the composite. To address this issue, several advanced techniques for delamination toughening …
Published in International Journal of Composite and Constituent Materials · Vol. 8, Issue 2, 2022 · pp. 49–55 Read article
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Assessment of Polymer Nanocomposite for Packaging Uses and Concerns about Environmental and Health Effects
Abstract: A nanocomposite material is composed of several phases with at least one, two, or three dimensions in the nanoscale range. When material dimensions are lowered to the nanoscale, phase interfaces are created, and they are essential for enhancing the material's characteristics. The surface area to volume ratio of the reinforced material used to create nanocomposites has a direct bearing on how structure and property relate to one another. Due to …
Published in International Journal of Composite and Constituent Materials · Vol. 9, Issue 2, 2023 · pp. 10–36 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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Kinetic Modeling and Thermodynamic Study of the Simultaneous Adsorption of Polycyclic Aromatic Hydrocarbons (PAHs) Onto Organomontmorillonite in Aqueous Medium
Abstract: Water is a vital source of human life, but it has frequently been polluted by mono and polycyclic aromatic hydrocarbons, usually from petrochemicals in petroleum industrial effluents as well as other anthropogenic activities. This study investigate the potential of montmorillonite intercalated HDTMAand TMPA cations for effective removal of five (5) different polycyclic aromatic hydrocarbons (PAH) namely: naphthalene, anthracene, chrysene,benzo(a)pyrene and benzo(g,h,i) perylene in aqueous medium. To research PAH adsorption behaviour …
Published in International Journal of Composite Materials and Matrices · Vol. 8, Issue 1, 2022 · pp. 28–38 Read article
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The Potential Application of Walnut Shells as Biofillers for Natural Rubber Composites
Abstract: It was evaluated whether walnut shells should be used as filler in composites made of natural rubber. Samples of walnut shells were ground to fine powders, sieved through a 75 μm mesh, and were used in compounding natural rubber using varying filler loading of unfilled, 20 hpr, 30 hpr, 40 hpr, and 50 hpr. The physicochemical analysis results of the walnut shell powder were 5.30, 10.10%, 2.50%, 43.70%, 49.70 mg/g, …
Published in International Journal of Composite Materials and Matrices · Vol. 8, Issue 2, 2022 · pp. 30–34 Read article
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Thermogravimetic Study Of Chrysodine Dye Type Bridge Containing Bis (8-quinolinol)s Ligands and Their Coordination Polymers
Abstract: Our thermogravimetric analysis state that the degradation in chrysodine dye type bridge containing bis (8-quinolinol)s metal coordination polymers was initiated at almost the same temperature near about 25-500 C(T0). The remarkable difference is observed in the mode of thermal degradation of the parent ligand and its coordination polymer. The unchelated bis(8-quinolinol) ligand and coordination polymers begin to decompose almost at the same temperature but in the polymer chelates this decomposition …
Published in International Journal of Composite Materials and Matrices · Vol. 9, Issue 2, 2023 · pp. 32–40 Read article
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A Review on Processing of Waste PET (Polyethylene Terephthalate) Plastics
Abstract: Solid waste is essentially waste produced in our homes, businesses and industrial sources. Globally waste production is growing in volume and in toxicity. Plastic waste is a nature threat that is of great concern to the researches to refuse and reuse. The man-made systems emphasize the economic value of materials and energy where production and consumption are the extensive economic actions. Such systems are a threat to the environment as …
Published in International Journal of Polymer Science and Engineering · Vol. 1, Issue 1-2, 2015 Read article
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MODELLING OF SAW PARAMETERS AND ITS MECHANICAL PROPERTIES FOR JOINING STRUCTURAL STEELS
Abstract: Ethiopia nearly 85 per cent of people is morality depends on agriculture; the government of Ethiopia emphasis on Farm Mechanization for bringing the improvement in crop production using modern equipment and tools. However, the Modern equipment development needs improved machineries for fabrication. Moreover, the metal joining technology; like Submerged Arc Welding (SAW) available is very advance and made welding of thicker plats and welded structures. Therefore, while using this modern …
Published in International Journal of Polymer Science and Engineering · Vol. 4, Issue 2, 2018 · pp. 34–43 Read article
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A Critical Evaluation of Polypropylene Impact Copolymer Morphology
Abstract: In order to improve Polypropylene (PP) impact strength, the process of copolymerizing propylene with ethylene is being used. Polypropylene copolymer is essentially a rubber-toughened material consisting of polypropylene homo-polymer matrix in which ethylene-propylene rubber (EPR) is distributed. The overall impact behavior of the copolymer is solely controlled by the rubber morphology and its distribution in polypropylene matrix, which plays a critical role on crystallinity. Even a similar impact grade polypropylene …
Published in International Journal of Polymer Science and Engineering · Vol. 5, Issue 2, 2019 · pp. 1–8 Read article
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Corrosion Studies of Al 7075 alloy using Cetirizine drug as drug in Arabian Sea water sample
Abstract: The inhibition of Cetirizine drug on corrosion of Al 7075alloy in Arabian Sea water medium became investigated by way of weight reduction measurement, Tafel Polarization, and EIS techniques. The electrochemical outputs proved that the prepared Drug act as powerful corrosion drug. The outputs found from electrochemical, weight loss and EIS studies showed exact consistency. The Present paper involves examine of weight loss, Tafel polarization, EIS and microstructural behavior of Al …
Published in International Journal of Polymer Science and Engineering · Vol. 6, Issue 1, 2020 · pp. 25–31 Read article
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Cords of tyres to shed hybridization
Abstract: AbstractCords of tyres have descriptive issues for mechanical stability, break at elongation strength and dimensions. Two polymer reinforced cord form has lying usage from nylon and polyester to search respects for hybridized contributed formation after form from chords. Poly(ethylene naphthalate)-in-polyester yarn or aramid-in-nylonhybrid has provisioned steel cord substitution to raise steer-in-speed at subjective low-in-weight shed. Competencies among as routed fabrics under differential twisting has almost similar break-in-twist strengths as well …
Published in International Journal of Polymer Science and Engineering · Vol. 6, Issue 2, 2020 · pp. 5–11 Read article
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Gum Rosin: Manufacturing, Applications, Market Scenario and Opportunities
Abstract: A review about gum rosin and its derivatives has been compiled. Rosin, also known as colophony, is a naturally occurring, abundantly available, biodegradable, cheap and non-toxic raw material. It can be easily modified to obtain industrially useful products. Gum Rosin and its derivatives are widely used in numerous industrial applications such as resins, monomers, intermediates, curing agents, emulsifiers, medicines, tablets, energy drinks, biocides etc. Other industrial usage are in rubber …
Published in International Journal of Polymer Science and Engineering · Vol. 9, Issue 1, 2023 · pp. 32–37 Read article
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Evaluation of Adsorption Isotherm Parameters on Corrosion Rate of Metal using Water-Based Extracts as an Inhibitor in Acidic Medium
Abstract: The research showcases the evaluation of MCS metal corrosion rate in terms of the effect of temperature and adsorption isotherm parameters monitored using water-based extracts with the aim to predict the Gibb’s free energy characteristics on inhibition integrity of the metal sample in acidic medium of 1.0M of HCl The water-based extract used are Selaginella myosurus, SM and Pneumatopter is pennigera, GF and the inhibition performance with respect to temperature …
Published in International Journal of Polymer Science and Engineering · Vol. 9, Issue 1, 2023 · pp. 14–25 Read article
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Synthesis and Characterization of Poly(vinylpyrrolidone) / Starch / Dimethylacrylamide Hydrogel by Gamma Radiation and Its Application in Basic Fuchsin and Methyl Orange Removal
Abstract: Gamma radiation was used to create a number of PVP/Starch/Dimethylacrylamide (PSD) based hydrogels. Investigated were the effects of several parameters, such as radiation dose, material composition, and pH, on the characteristics of hydrogels, such as gel content and swelling behavior. Radiation doses ranged from 10 to 25 kGy, and 10 kGy was determined to be the ideal dose. Investigations on the impact of dimethylacrylamide (DMA) composition on swelling were investigated. …
Published in International Journal of Polymer Science and Engineering · Vol. 9, Issue 2, 2023 · pp. 1–20 Read article
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A Brief note on Biomechanics
Abstract: Biomechanics is generally referred to as the study of how the systems of living organisms from plants to animals, react to the various forces of nature and stimuli. Biomechanics is the science of dealing with effects produced by external and internal forces on the living body. The need to study biomechanics for any the particular case is necessary for every physical educator or coach, who is involved in teaching movement …
Published in International Journal of Mechanics and Design · Vol. 2, Issue 2, 2016 · pp. 47–49 Read article
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Identification of Axial Air-Foil Bearings and Radial Air-Foil Bearings
Abstract: Air-foil bearings (AFBs) are self-acting hydrodynamic bearings, a shaft is supported by a compliant, spring-loaded foil journal lining. Once the shaft is spinning fast enough, the working fluid (usually air) pushes the foil away from the shaft so that there is no contact. The shaft and foil are divided by air's high pressure which is produced by the rotation which pulls gas into the bearing via viscosity effects. AFBs provide …
Published in International Journal of Mechanics and Design · Vol. 3, Issue 1, 2017 · pp. 1–8 Read article
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Predictive Model on Constant Pressure Drop Variable: Area Fluid Flow System in a Pipe
Abstract: The effect of density, pressure drop, and orifice area was examined in this research. The basic equation developed to represent steady-state fluid flow is the Bernoulli equation which assumes that the total mechanical energy is conserved for steady incompressible, in viscid, isotherm flow with no heat transfer or work done. These restrictive conditions can actually be representative of many physical systems. The Bernoulli’s principle was applied in explaining the design …
Published in International Journal of Mechanics and Design · Vol. 4, Issue 1, 2018 · pp. 23–34 Read article
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An Optimized Design of the Standard Manual Wheelchair
Abstract: The manual wheelchair is commonly found in hospitals, rehabilitation centers, senior housing and airports for allowing patients, people with physical disabilities or for elderly people. Transferring mishaps are one of the major causes for injuries. Moreover, all the transferring actions between wheelchair and other surfaces are difficult for wheelchair users. This project is aimed at optimizing the existing design of a standard manual wheelchair by introducing a height adjusting mechanism …
Published in International Journal of Mechanics and Design · Vol. 5, Issue 2, 2019 · pp. 1–10 Read article
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CFD Study on the Effect of Air Bubble Injection Performance of a Horizontal Helical Shell and Coiled Tube Heat Exchanger
Abstract: In present review, a shell and curled cylinder heat exchanger will be numerically considered. The creation technique for helically looped tube which contains turbulator and furthermore the impacts of turbulator on warm and frictional qualities of hotness exchanger will be introduced in this review. CFD examination on ANSYS FUENT programming will be acted in two principle modes. In first mode, the liquid of looped cylinder will be water and in …
Published in International Journal of Mechanics and Design · Vol. 7, Issue 2, 2021 · pp. 1–29 Read article