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36 articles · search the full text for this term
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A Study of Nacl Alkali Treated Muntingia calabura fibre Reinforced Composites
Abstract: Natural fibre reinforced composites are more commonly used in various applications due to their biodegradability, low cost, available in nature and less harmful to the environment than synthetic fibres. In the present study, NaCl alkali treated MuntingiaCalaburafibres(MCF) reinforced composites are developed using hand layup technique and evaluated the mechanical properties of the composites. The increase of the NaCl content (up to 20 percent) and the fibre weight is maintained constant …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 500–507 Read article
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Experimental Study on the Wear Mechanisms of Cutting Tools in High-Performance Machining
Abstract: Because high-performance machining (HPM) may increase output and improve product quality, it is essential for modern production. The quick wear of cutting tools under high-stress circumstances, however, presents serious difficulties that affect surface smoothness, tool life, and cost-effectiveness. Through an analysis of the impacts of cutting speed, feed rate, tool material, and cooling techniques, this work explores the wear processes impacting cutting tools in HPM. Advanced spectroscopy and microscopy procedures …
Published in International Journal of Fracture Mechanics and Damage Science · Vol. 2, Issue 1, 2024 · pp. 9–14 Read article
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Structural, Electrical and Optical Properties of RGO-Incorporated PVA Nanocomposites for UV Shielding Applications
Abstract: Polymer matrix-based nanocomposites reinforced with appropriate nanoparticles have the potential to exhibit improved electrical, optical and mechanical properties, as well as improved UV-shielding capabilities. These materials are currently being utilised for various commercial applications, such as window shields and automotive components. We prepared reduced graphene oxide (rGO)-incorporated polyvinyl alcohol (PVA) polymer nanocomposites employing a solution casting method. XRD and SEM results confirmed that the rGO nanosheets were dispersed well in …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 119–137 Read article
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Latent Fingerprint Development via Green Synthesis of PbO Nanoparticles Using Helianthus (Sunflower) Extract
Abstract: Fingerprints are crucial evidence in personal identification, categorized into three types: latent (invisible), patent (visible), and plastic (three-dimensional). To make the latent prints visible, various techniques are used like the powder method, chemical method, and different light sources. In the powder method, commercially available powders are used and are effective; however, incorporating nanoparticles enhances their effectiveness. In this study, a novel fingerprint powder is prepared through green synthesis using distilled …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 26, Issue 2, 2024 · pp. 12–17 Read article
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Investigation of Mechanical Properties of Concrete Using Agriculturally Based Waste and Fibers as Additives
Abstract: In today's world one of the most common man-made materials widely used as concrete. Around 1 ton of concrete is produced every year for an individual person. Concrete is composed of mainly cement, fine aggregates, coarse aggregates & water. As the construction industry is the 2nd biggest industry, environmental and social responsibility contributes to the sustainable development. Bamboo leaf ash has received recent interest as an agricultural waste with pozzolanic …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 9–18 Read article
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Investigation on Dry Sliding Wear Behaviour of AlSi7Mg0.3/B4C/ZrO2 Hybrid Composites using Taguchi Method
Abstract: Hybrid Aluminium/Boron carbide/Zirconium oxide (AlSi7Mg0.3/B4C/ZrO2) composites were fabricated utilizing stir casting technique by varying boron carbide content (4wt.%, 8wt.% and 12wt.%) and utilizing a fixed amount (4wt.%) of zirconium oxide particles. Optical microscopy revealed that B4C and ZrO2 particulates were dispersed uniformly in AlSi7Mg0.3 matrix. Dry sliding wear experiments were carried out utilizing the pin-on-disc tribometer with various levels of applied loads, sliding speeds and weight percentage of boron carbide …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 166–177 Read article
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Rheological behaviour analysis of prepared nano-cutting fluids from Al2O3 and TiO2
Abstract: In this research paper, an attempt has been made to characterize and analyse the rheological properties of two samples of nano-cutting fluids. Nanoparticles of Al2O3 and TiO2 were characterized by SEM and EDS. The high peaks showed the respective presence of aluminium, oxygen for alumina and titanium and oxygen for titanium dioxide. The two samples of nano-cutting fluids were prepared. Alpha alumina, α-Al2O3 nanoparticles were used for the preparation of …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 329–338 Read article
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Evaluation of microstructure properties and characterization of fracture locus of AA5083 through equal channel angular pressing techniques
Abstract: In this investigation, a commercially available aluminium alloy called AA5083 was subjected to two passes of equal channel angular pressing utilising a route B_C at room temperature for this experiment. To evaluate the effect of AA5083, the microstructure, mechanical attributes, and wear parameters of the alloy were examined both prior to and subsequent to undergoing this technique. Using an optical microscope, microstructural investigations were performed on the pressed alloy's flow …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 270–286 Read article
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Characterization of Cellulose Producing Bacterial Isolates from Rotten Fruits
Abstract: Cellulose, the most abundant natural polymer, is predominantly sourced from plant wood but can also be synthesized by certain bacteria in the form of bio-cellulose. The potential applications of bio-cellulose are extensive, particularly in the biomedical field for tissue engineering, drug delivery, and more. The distinct properties and purity of bacterial cellulose, in contrast to plant-derived cellulose, underscore its importance and drive further research in the area. This study focuses …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 14, Issue 1, 2024 · pp. 38–45 Read article
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Investigations into the Mechanical and Thermal Properties of Fe3C Compound: A Comprehensive Analysis
Abstract: Exploration of mechanical properties of Fe3C powder using Williamson-Hall analysis by using Mechanical alloying technique. The primary objective of this study is to investigate the lattice strain (LS) and nanocrystalline size (CS) in an Fe3C produced from powder using the Mechanical Alloying Method (MAM). By the repeated mechanical crushing, the LS created by MAM is expected to decrease while the CS is anticipated to reduce the particle size. To accomplish …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 225–234 Read article
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New Analytical Reagents and Study of Preparation, Spectral Characterization, Scanning Microscopy, and Solubility Behaviors
Abstract: Chemical reagents used in chemical processes vary depending on the process in which they are used, but in general, chemical reagents are used to conduct quality analyses, to determine the contents of various chemical elements in raw materials and in finished products, to adjust the pH and alkalinity of chemical solutions, and to react with other chemicals and produce products. There are some examples of chemical reagents used in chemical …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 14, Issue 1, 2024 · pp. 16–27 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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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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Characterization and Fabrication of Hybrid Matrix Composites of AZ91E Metal with Distinct Reinforcements of Fly Ash and ZrO2
Abstract: The current work choose the characteristics of (Magnesium composite) AZ91E-ZrO2-Fly ash Hybrid Metal Matrix using the regular analytic system. The chosen materials for this purpose are fly ash and ZrO2 in equivalent load extents, Stir casting uses a vortex technique to produce composite materials. A comprehensive experimental investigation was conducted to assess the performance characteristics of AZ91E-ZrO2-Fly ash during the cold upsetting process. The study involved utilizing AZ91E magnesium alloy …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 Read article
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Development and Evaluation of a Novel Polyaniline/Polyvinyl Alcohol/Silver Nanocomposite for Antibacterial Applications: Synthesis and Characterization
Abstract: A novel nanocomposite made up of polyaniline, polyvinyl alcohol, and silver (PAL/PVA/Ag) was synthesized using the reduction of chemical technique in this study. Aniline was polymerized in situ with ammonium persulfate to create polyaniline (PAL), while Ag+ ions were employed to make an nanoparticle of Ag colloidal solution. The combination of Ag nanoparticles with the PAL/PVA composite resulted in the development of a new nanocomposite. Scanning electron microscopy (SEM) and …
Published in Journal of Polymer & Composites · Vol. 11, Issue 3, 2023 · pp. 39–47 Read article
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Functionally Graded Natural Fibre and SiC-reinforced Polymer Composite: Mechanical Properties
Abstract: Multifunctional materials, also called functionally graded materials (FGMs), are based on natural fibres or fillers and vary in composition and/or microstructure to control functional, structural, or thermal, properties. Functionally graded materials (FGMs) have been created for use in spacecraft, aircraft, and other engineering applications because they can withstand extremely high temperatures. Particle-reinforced FGMs, which make up the majority of FGMs, are made differently depending on their position. The mechanical and …
Published in Journal of Polymer & Composites · Vol. 11, Issue 4, 2023 · pp. 1–14 Read article