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1751 articles
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Parametric Analysis of Energy Saving in Building Walls by Applying Various Insulation Materials
Abstract: The parameters which include Present Worth Factor, the wall structure, thermal conductivity of insulation material, thickness of insulation and the heating /cooling load of building, affect the energy savings in buildings. This study focuses on parametric analysis of the energy savings for building walls by using insulations (Expended Polystyrene and Glass wool). The annual energy requirements of house have been obtained by heating Degree-Days (DD) concept. For economic analysis, the …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 113–118 Read article
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Exploration of Mechanical Characteristics and Microstructural Analysis of Copper Matrix Composites with Hybrid Reinforcements via Muffle Furnace Sintering
Abstract: Metal Matrix Composites (MMCs) have drawn a lot of interest in the area of innovative materials because of how widely they may be used. Due to their extraordinary qualities, such as high thermal conductivity, higher temperature endurance, improved corrosion resistance, and great weldability, copper matrix composites stand out among them. These qualities make them desirable and promising materials for uses including heat exchangers, automotive parts, and electrical components. In this …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 119–126 Read article
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Experimental investigation of thermally grown Indium film’s structural and tribological properties
Abstract: Indium thin film growth found numerous applications, such as cold welding of infrared detectors and readout-integrated circuits (ROIC) to form sensor chips. In film is grown on the Si substrate by thermal evaporation. The XRD results indicated the tetragonal bcc phase in the (101) preferential plane. Scanning electron microscopy (SEM) indicated an uniform, continuous film covering the whole surface. The EDS examination confirmed the pure In film. The atomic force …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 58–66 Read article
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Prediction of temperatures and residual stresses during FSW of AA2024 and AA7075 with copper using HYPERWELD software
Abstract: This paper investigates the temperature at different workpiece and tool pin sections. In this investigation, various materials are utilized, for example, AA7050, AA2024, and Copper, for other process parameters. Tool rotational speed, tool tilt angle, and welding speed are process parameters. Thermal distribution results are examined with the assistance of these process parameters. Altair’s Hyper Weld, a preeminent computer-aided engineering (CAE) application for the simulation of friction stir welding, has …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 101–112 Read article
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The effect of cooling time and colorant pigment on the dimensional accuracy of plastic injection molded closure
Abstract: Dimensional accuracy is a critical aspect of precision injection molding, with the products generally required to conform to set tolerances. Major causes of these deviations are reported to be related to the polymer material, part geometry, injection mold design, and process parameters. This study investigated the effects of material color pigment and its interaction with process cooling time on product dimensional accuracy. This study was conducted experimentally, where three levels …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 93–100 Read article
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Anisotropic Debye-Waller Factors and Debye Temperatures in Hexagonal Close-Packed Elements: A Comprehensive Compilation and Analysis
Abstract: In this study, we have investigated the anisotropic behavior of Debye-Waller factors (DWFs) and Debye temperatures (DTs) in three distinct materials: hexagonal rhenium (Re), osmium (Os), and thallium (Tl). We conducted a comparative analysis, aligning our experimental data on directional Debye temperatures with theoretical calculations. This exercise provided valuable insights into the concurrence between practical and theoretical approaches, thereby offering a critical evaluation of the accuracy and reliability of theoretical …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 32–39 Read article
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Optimal Design and Fabrication of drone for agricultural Purpose
Abstract: Due to their reliable technology and simple operation, drones have found widespread use in many fields. This study aims to plan, investigate, and build a quadcopter for use in farming. This drone is implanted for pesticide spray in the farms. An innovative quadcopter design that is easily removable and transportable is used in this study. The entire structure is developed in Iron CAD, and the viability of the new design …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 81–92 Read article
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Formability analysis of steel and copper based alloy sheet by using Erichsen Cupping Test Machine
Abstract: Metallic material formability study is critical in a variety of industrial areas, including automotive, aerospace, and manufacturing. The present study aims to investigate the formability properties of steel and copper-based alloy sheets using the Erichsen cupping test machine, an established technique for evaluating sheet metal formability. The process involves manufacturing identical steel and copper-based alloy specimens and subjecting them to the Erichsen cupping test. The test determines the maximum deformation …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 49–57 Read article
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Restructuring of Sanitation Structures: Reviewing Technological Changes
Abstract: This paper comprehensively reviews the latest technological advancements in rural sanitation systems, focusing on developing urinals and toilets. In many rural areas, improper toilet waste disposal directly into water bodies has led to environmental contamination. In addressing this issue, biological processes are used to degrade fecal matter. However, contemporary challenges include bacterial infections from unhygienic toilets, persistent foul odors, and poorly designed toilet pans. Additionally, more community engagement is needed …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 67–80 Read article
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An effort for maximizing the material removal rate during the wire cutting of difficult to machine Inconel X750 using electric discharge machining process
Abstract: The growing demand for harder materials with exceptional hardness poses a significant challenge for industries as achieving precise machining becomes increasingly tricky. The Inconel family of materials, renowned for their hardness, has been extensively studied. However, with the continuous introduction of new materials, the scope of research remains vast. In this context, Inconel X750, a corrosion and oxidation resistance, nickel-chromium-based alloy with excellent hardness, has gained attention. Despite its significance, …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 1–17 Read article
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Fracture behavior of 2124Al- 10vol% SiCp composite tensile specimens for different heat treatment conditions
Abstract: This article presents experimental details on 2124Al-10vol% SiCp composite tensile specimens, which were made by squeeze casting process. Cast metal composites are generally very brittle and have poor mechanical properties. To strengthen the matrix and improve ductility, the specimens were heat-treated by solutionizing and aging. Experiments were carried out at 3 different solutionizing temperatures, solutionizing time, aging temperature and aging time to examine the influence of heat treatment process parameters …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 279–291 Read article
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Design and Analysis of a Metal Lined Composite Overwrapped Pressure Vessel
Abstract: This study presents a comprehensive investigation into the mechanical behavior of a metal lined composite overwrapped pressure vessel, designed for high-pressure storage applications. The design approach is dependent upon fiber material constants and dome shape factor. The study begins with obtaining dome coordinates and maintaining winding angles according to a geodesic path equation. Thickness estimation for the portion of cylindrical shell and domes are determined through netting analysis and cubic …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 215–232 Read article
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Optimal Abrasive Jet Machining Parameters for Glass Fiber Reinforced Plastics
Abstract: Abrasive jet machining (AJM) is a best choice for processing of glass fiber reinforced plastics (GFRP). Inherent to the nonlinear behavior of performance characteristics during repeated experiments are inevitable variations, attributed to measurement errors and unknown influencing input variables. This study employs the Taguchi method with an orthogonal array to systematically identify optimal input variables through a limited number of experiments. The paper introduces a direct and reliable Taguchi-based multi-objective …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 247–255 Read article
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Optimization of Process Parameters for Cu90Ni10 Alloy Processed by Wire Arc Additive Manufacturing (WAAM) Using an L9 Orthogonal Array
Abstract: Abstract Wire Arc Additive Manufacturing (WAAM) has gained significant attention in recent years as a promising technique for producing complex metallic components. This study focuses on the processing of Cu90Ni10 alloy using WAAM and employs an L9 orthogonal array to optimize the mechanical properties of the resulting components. Cu90Ni10 alloy is known for its excellent corrosion resistance and electrical conductivity, making it a critical material in various industries, including aerospace …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 292–301 Read article
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A systematic Review on Laterite based geopolymer
Abstract: Laterite based geopolymer has been widely studied as a sustainable alternative to Portland cement in construction industry. However, its thermal performance is still a challenge due to the low thermal conductivity and low temperature resistance. In this paper, recent studies on the improvement of thermal performance of laterite based geopolymer using additives are reviewed. The additives studied include organic materials, metal oxides and natural fillers. The effect of these additives …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 172–183 Read article
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Asymmetrical Light Propagation in 2D Photonic Crystal Structure
Abstract: In this work, using Plane Wave Expansion (PWE) and two-dimensional Finite Difference Time Domain (2D-FDTD) methods, we design a structure that shows the high asymmetry in propagation of light. Structure is based on two-dimensional Photonic Crystal (2D-PC) consisting of square lattice (39 X 39) of infinitely long circular rods of refractive index 2.9 in the background of refractive index 1. Radius of rods is 0.15a, where a is the lattice …
Published in Journal of Polymer & Composites · Vol. 11, Issue 7, 2023 · pp. 69–74 Read article
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FRW Universe in R2 Gravity
Abstract: We investigate a model of the Friedmann Robertson Walker metric (FRW) universe governed by hybrid expansion law (HEL) a = tα eβt in R2 gravity. By Applying, energy and stability conditions in derived model, we check its physical viability. This model is based on f (R, T) = f (R) + f (T); f (R) = R + αR2 and f (T) = T and we have assumed T = …
Published in Journal of Polymer & Composites · Vol. 11, Issue 7, 2023 · pp. 75–80 Read article
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Investigation of Mechanical Properties in Ductile Iron with Alloyed and Unalloyed at Time and Temperature on Austempering
Abstract: Due to the combination of its numerous excellent mechanical qualities, the flexible iron has been used more and more since its invention in 1948. To develop significantly improved characteristics, the unnecessary investigation is being done. The most recent development in the field of flexible iron, or SG iron, is Austempererd malleable iron. At four different temperatures, two different types of spheroidal graphite (SG) cast iron samples with varying copper weight …
Published in Journal of Polymer & Composites · Vol. 11, Issue 9, 2023 · pp. 1–9 Read article
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Performance Analysis of a Three-DOF Piezoelectric Vibration Energy Harvester
Abstract: Mechanical vibration energy can be transformed into electrical energy by a vibration energy harvester, which can then be stored in the battery for later use. It can convert vibrational motions like walking, leaping, running, etc. into pure renewable energy. This can turn previously squandered energy into energy that can be used to recharge wireless sensors and portable electronics. If these gadgets are used widely, they can produce a lot of …
Published in Journal of Polymer & Composites · Vol. 11, Issue 9, 2023 · pp. 10–18 Read article
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Design and Analysis of Engine Mount Bracket to Enhance the Crash Performance of the Engine Mounting System
Abstract: The gradual evolution of automobile industries led to rise in the competition in providing the customer with quality while riding and comfort. This compelled the designers of each component to pay close attention towards the production of high-quality components. In the present scenario of the engine mount bracket designing, the dominant parameters like design change and material change play a crucial role. In the current generation of automobiles, the chances …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 122–128 Read article