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1148 articles for “Properties of composite”
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A Smart Investigation on Nanocomposites Composed of Carbon Dioxide-Derived, Repeatable Biological Polymers
Abstract: In recent years, an increasing number of people have begun to focus their attention on the environmental impacts that are caused by the widespread use of therapeutic polymeric composites that are generated from fossil fuels. Another factor that probably contributes to the short shelf life of biomedical polymer products is the fact that many of them are designed to be used just once before being discarded. When a biomedical polymer …
Published in Journal of Polymer & Composites · Vol. 11, Issue 3, 2023 · pp. 1–12 Read article
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The Impact of Crosslinking Polyvinyl Alcohol with Glutaraldehyde on Toughness: A Statistical Analysis Using the Turnkey HSD Method
Abstract: The widespread use of non-biodegradable polymers exacerbates problems with global warming and other environmental difficulties. These problems necessitate the development of biodegradable polymers as a solution. In this research, we analyze the utilization of crosslinked polymer by its processing of polyvinyl alcohol (P V A) crosslinked with glutaraldehyde (G L U T). After curing for 24 hours in 2 moles of sulfuric acid (H2SO4), the plasticized alcohol has been cross-linked …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 213–219 Read article
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Paper Waste for Bricks Production Evaluation of Paper Waste as An Alternative Aggregate in Bricks Production
Abstract: This study focused on the use of paper waste to partially replace ordinary Portland cement for producing a new lightweight concrete, otherwise called papercrete. The objective was to evaluate its effect on some hardened properties of papercrete. A laboratory experiment was conducted where paper waste was added in varying proportions of 20%, 30% and 40% as partial replacement for cement. After combining with sand, cement and water, the mixture was …
Published in Recent Trends in Civil Engineering & Technology · Vol. 12, Issue 1, 2022 · pp. 29–39 Read article
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Antimicrobial, Antioxidant Evaluation of Majestic Darjeeling Green and Black Tea during Storage
Abstract: Three months storage in ambient temperature and humidity causes the changes in biochemical (antioxidant) and antimicrobial properties of Darjeeling green and black tea. Having higher extent of total polyphenol and non-enzymatic antioxidant flavonoid content green teas are able to show higher antioxidant and antimicrobial activities against different microorganisms. Due to manufacturing procedures (greater extent of fermentation) some of the enzyme activities (including antioxidant enzyme catalase, phenylalanine ammonia lyase) are lowered …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 5, Issue 3, 2015 · pp. 24–34 Read article
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Nano Shield-EV: Graphene and CNT-Infused Polymer Composites for Advanced EMI Shielding in Electric Vehicles
Abstract: The rapid growth of electric vehicles (EVs) has intensified the need for lightweight, thermally stable, and mechanically robust electromagnetic interference (EMI) shielding materials to ensure the reliable performance of advanced electronic systems. Traditional metallic shields, though highly effective, increase vehicle weight and restrict design flexibility, thereby motivating the search for multifunctional polymer-based alternatives. In this study, NanoShield-EV introduces novel polymer nanocomposites fabricated via melt blending and compression molding, combining engineering-grade …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1036–1047 Read article
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Effect of Steam Flash Explosion Conditions on Preparation of Reed Pulp
Abstract: The effects of different steam explosion conditions on preparation of reed pulp by steam flash explosion were analyzed. Because the main factors affecting steam explosion are steam pressure, retention time and liquid-to-reed ratio, so that the effects of these conditions on the steam explosion pretreated reed straw, and constituent of reed pulp were analyzed. Reed straw samples, 2~3cm in length, were loaded into a 5L stainless steel reactor and treated …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 16, Issue 2, 2025 · pp. 115–128 Read article
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Glass Fiber Layer Effect on Chemico-mechanical Properties of Light Cure Adhesive Systems
Abstract: Introduction: Orthodontic adhesives should have clinically acceptable shear and tensile bond strength to withstand masticatory forces and those generated by treatment mechanics. Mechanical properties of the adhesive, such as flexural modulus of elasticity, tensile strength, and compressive strength, are more heavily influenced by the resin matrix's Degree of cure (DC). Aim: The study compares the effect of the Glass fiber layer on Chemico-mechanical properties using three different light cure adhesive …
Published in Journal of Polymer & Composites · Vol. 11, Issue 1, 2023 · pp. 1–9 Read article
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Review on: Study the Effect of Fermentation on the Value of Teff Injera [Eragrostis (Zucc.) Trotter]
Abstract: ABSTRACTIn Ethiopia, teff is smallest grain used as principal ingredient in formation of injera which is one of the staple foods of the population. It is unique durable crop grown over wide range of environmental conditions and has been utilized as food and supplements to majority of the human diets in Ethiopia. The potential of this grain, as an interesting raw material, for new food product development is due principally …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 10, Issue 2, 2019 · pp. 53–64 Read article
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Analyzing the Role of Fiber Composition in Drying Behavior: A Comparative and Predictive Approach
Abstract: This research presents a comprehensive analysis of the drying behavior and thermal response of three distinct fabric types: 100% Cotton, 100% Polyester, and a Polyester blend (65/35), under meticulously controlled environmental conditions. The Polyester blend (65/35) consists of 65% Polyester and 35% Cotton, combining characteristics of both fibers. The investigation focuses on understanding how fiber composition impacts drying time, moisture retention, and thermal characteristics. Experimental trials were conducted using standardized …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 1–11 Read article
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High Power Nd: YAG Laser Treatment of Zirconium Silicate Surface
Abstract: The surface modification obtained by laser beam irradiation requires a proper relationship among the laser beam parameters, to assure the irradiated surface morphology and physical chemistry properties surface. In this study, the photothermal effect of high power Nd: YAG laser at 1064 nm wavelength for different durations on the surface properties of zirconium silicate (ZrSiO4) ceramics was investigated. Specimens of zirconium silicate (ZrSiO4) ceramic pieces were divided into four samples …
Published in Research & Reviews : Journal of Physics · Vol. 9, Issue 3, 2020 · pp. 16–24 Read article
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Interference of Components in Metallic Diffusion
Abstract: Eight different pairs of metals which diffuse in each other in a solid state composition and make a homogenous or heterogeneous mixture are considered for deeper understanding of diffusion phenomenon, w.r.t. direction of diffusion, etc. Further the authors interpret which factors are responsible for the metal and/or more specifically which metal atom will be active in the diffusion process. The analysis evidenced number of breakage of bonds in the substrate …
Published in Journal of Materials & Metallurgical Engineering · Vol. 4, Issue 1, 2014 · pp. 23–30 Read article
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Bismuth-Doped CuGaS₂ Thin Films for Enhanced Photovoltaic and Electrocatalytic Performance
Abstract: This study presents the development and application of bismuth (Bi)-doped CuGaS₂ thin films for enhanced performance in photovoltaic and electrocatalytic systems. Using a cost-effective all-solution processing method, Bi-doped CuGaS₂ chalcopyrite nanocrystals were synthesized and spray-deposited onto molybdenum substrates. The resulting films, with a thickness of approximately 730 nm and grain sizes larger than 400 nm, exhibited superior optical properties and a lower band gap compared to undoped films, making them …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 11, Issue 3, 2024 · pp. 01–07 Read article
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Structural and Electrical Characterization of Mn-Zn Substituted CaSr2: W-Type Hexaferrite
Abstract: AbstractIn the present investigation the samples with chemical composition CaSr2 (Mn-Zn)x/2Fe16- xO27 (x= 0.2, 0.4, 0.6, 0.8, 1.0) have been synthesized by using chemical co-precipitation method. X-ray diffraction (XRD) and transmission electron microscopy (TEM) were used to study structure, lattice constants, crystallites size, x-ray density, bulk density, porosity and shape of ferrite powders. The prepared samples were found to have W-type hexagonal structure with the lattice parameters a= (5.77 Å–5.82 …
Published in Research & Reviews : Journal of Physics · Vol. 5, Issue 1, 2016 · pp. 11–17 Read article
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Bioinspired Nanocomposite Bone Pins: Fabrication, Evaluation, and Suitability for Orthopedic Implant Applications
Abstract: Bone tissue engineering (BTE) requires scaffolds that mimic bone’s mineral–organic composition, offering mechanical strength, bioactivity, and degradation rates compatible with regeneration. Conventional metallic implants face corrosion and toxic ion release risks, while ceramics like hydroxyapatite (HAp) are bioactive but brittle. This study reports a multifunctional hybrid scaffold combining HAp for osteoconductivity; polycaprolactone (PCL) and collagen for flexibility and biocompatibility with sodium citrate for nanoparticle dispersion, ferrocene (Fc) for catalytic bioactivity; …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 526–540 Read article
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Valorization of Human and Cattle Dental Waste into Functional Composite Biomaterials: A Detailed Comparative Analysis
Abstract: This study investigates the conversion of human and cattle (goat and cow) teeth into bioactive hydroxyapatite-based composites and presents a detailed comparative evaluation of these biogenic materials with laboratory-synthesised (synthetic) hydroxyapatite (HAp). In this work, hydroxyapatite was extracted from human and bovine teeth through controlled calcination and milling, while synthetic HAp was prepared using a standard wet chemical precipitation route. All materials were subsequently sintered at 900 °C and fabricated …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 340–354 Read article
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Improvement of mechanical properties for PMMA based Denture material
Abstract: Denture material properties can be improved by various fiber addition. The most often used denture materials are polymethyl methacrylate (PMMA) resins; nevertheless, they do not have a high flexural strength (FS). This investigation compared the mechanical characteristics of an injection-molded polyamide. Deflex, an additional injection-molded PMMA base material, SRIvocap, and a typical compression-molded PMMA (Meliodent). The flexural qualities (deflection, bending strength, and bending modulus) of 100 different denture base materials …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 155–165 Read article
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Polymer Phase Change Materials: Innovations, Applications, and Future Directions
Abstract: Polymer-based phase change materials represent a significant advancement in energy storage and thermal management technologies due to their ability to absorb, store, and release heat during phase transitions. This article reviews recent innovations in polymer phase change materials, focusing on the synthesis, characterization, and performance enhancement techniques. The development of polymer composites with enhanced thermal conductivity, improved phase change enthalpy, and extended thermal cycling stability is discussed. Additionally, the integration …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 11, Issue 2, 2024 · pp. 1–7 Read article
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Development of Polymersomes as Macromolecular Platforms for Nanomedicine
Abstract: The conventional method of drug delivery is plagued with instability, low targeting and low bioavailability. A solution to these shortcomings is the use of polymersomes, artificial vesicles that are produced through self-assembly of amphiphilic block copolymer, and they are suggested as universal nanoscale carriers. They have stiff, tunable membranes (thickness = 2–50 nm) due to accurate control of polymer chemistry, chain length, and hydrophilic mass fraction (f), which allows predictability …
Published in Journal of Polymer & Composites · Vol. 14, Issue 5, 2026 · pp. 71–89 Read article
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A Comparative Evaluation of a 13-story G+ Building with a Soft Storey, Using Pushover Analysis, with a Focus on the Impact of Different Placement of Shear Walls
Abstract: Asymmetrical structures with varying degrees of irregularity have proven to be a significant factor in causing collapses, damage to property, and injury during earthquakes. Despite extensive research on asymmetric buildings, there are currently no established guidelines for multi-story structures of this type. A soft storey, also known as a weak storey, is a level in a structure with insufficient rigidity or ductility to sustain earthquake-induced damage Pushover analysis has been …
Published in Recent Trends in Civil Engineering & Technology · Vol. 12, Issue 3, 2022 · pp. 1–9 Read article
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Synthesis and Characterization of TiO2 1% SiO2 of Crystal and its Bacterial Applications
Abstract: Three-dimensional (3D) TiO2 Anatase and Rutile structures have attracted much attention due to their optical properties. However, the large band gap of (3.2 eV) results in the fact that anatase TiO2 can act as photo catalyst and be excited by UV light, which only accounts for 3–5% of the solar energy. On considering that nobel metallatic nanomaterials can harvest visible light, in this paper, TiO2 and SiO2 nanocrystals with rod …
Published in Research and Reviews: A Journal of Toxicology · Vol. 10, Issue 1, 2020 · pp. 47–58 Read article