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272 articles for “scanning electron microscopic”
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Performance Enhancement of COC-Modified LLDPE Films: Optimization of Stiffness, Tear Resistance, and Barrier through Plasma Surface Modification
Abstract: This study explores the development of high-performance packaging materials by blending commodity Linear Low-Density Polyethylene (LLDPE) with engineering cyclic olefin copolymer (COC) as a performance modifier. To leverage the processability of LLDPE alongside the structural rigidity of COC, blends were prepared at various weight ratios (95/05, 90/10, 85/15, and 80/20) using twin-screw melt extrusion, followed by the production of films and sheets via blown film extrusion and compression molding. The …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 128–143 Read article
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Synthesis, characterization, and antibacterial activity of silver nanoparticles with expired minocycline as reducing agent: proposed as a recycling technique.
Abstract: In this research, expired minocycline, a broad-spectrum tetracycline antibiotic, was employed as both a reducing and stabilizing agent for the eco-friendly synthesis of silver nanoparticles. This sustainable method avoids the use of toxic chemical reducing agents, providing a greener alternative for nanoparticle production. The synthesized silver nanoparticles were analyzed using several characterization techniques, such as UV-Vis’s spectroscopy, scanning electron microscopy, transmission electron microscopy, and Edex analysis, to assess their structural, …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 16, Issue 1, 2026 · pp. 30–43 Read article
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A Review on Effect of Cryogenic Treatment on Wear Resistant Bearing Materials for Automotive Application
Abstract: Cryogenic processing has come as a successful supplementary process to common heat treatment, especially in improving the wear-resistant performance of materials employed in in-vehicle applications. This sub-zero processing is normally performed following quenching and before tempering, during which materials are subjected to extremely low temperatures, typically around -196°C, for prolonged periods of 24 hours. Cryogenic treatment, which involves subjecting materials to extremely low temperatures, has demonstrated promising results in changing …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1–11 Read article
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Utilization of Treated Textile Dyeing Wastewater and GGBFS–Perlite Blends for Sustainable Cementitious Composite Development
Abstract: The increasing global demand for concrete critically intensifies the consumption of potable water, raising significant environmental concerns and depleting vital resources. Concurrently, the textile dyeing industry generates substantial volumes of wastewater, posing considerable disposal and pollution challenges. Our investigation explores a dual solution by utilizing treated textile dyeing wastewater as an alternative mixing water source, combined with ground granulated blast furnace slag (GGBFS) and perlite as supplementary cementitious materials (SCMs), …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 291–300 Read article
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Gamma Irradiation Effects on Structural and Optical Properties of PVA/Al₂O₃/TiC Polymer Nanocomposites for Optoelectronic Applications
Abstract: PVA/TiC/Al2O3 nanocomposite (PTA) films were successfully prepared via the solution casting method. The impact of high-dose gamma (γ) irradiation (30 kGy) on the structural and optical properties of PVA/TiC/Al2O3 nanocomposites was systematically explored using X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and UV–Visible spectroscopy. XRD analysis confirmed the semi-crystalline nature of the nanocomposites, which was found to decrease upon incorporation of Al₂O₃ nanoparticles and exposure to …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 717–729 Read article
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Experimental Investigation of Hybrid Natural Fiber Reinforced Epoxy Composites Using Banana and Sugar Palm Fibers
Abstract: This paper is a research study that examines the mechanical and morphological properties of hybrid natural fiber reinforced epoxy composites manufactured from banana fibers (BF) and sugar palm fibers (SPF). Because the use of sustainable, lightweight, and cost effective materials in engineering continues to grow, many engineers are looking at the possibility of utilizing natural fiber reinforced polymer composites as alternatives to traditional man-made fiber composites. Hybrid composite laminate samples …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 195–205 Read article
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Parametric Study of Laser Drilling Process Using Multi Variable Regression Analysis
Abstract: The laser drilling process is an advanced manufacturing technique extensively employed for intricate and high-value components in aerospace, automotive, and electronics industries. Laser drilling technology offers opportunities to meet the contemporary demands of industries using a broad spectrum of engineering materials. However, this process encounters several engineering challenges such as thermal damage, dimensional inaccuracies, and the formation of a recast layer in the drilled components. This study focuses on examining …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1000–1015 Read article
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Thermal and Microstructural Evaluation of Natural-Glass Fiber Hybrid Composites: Sustainable Alternatives to Synthetic Materials
Abstract: The scope of engineering requirements for composite materials, which mix features from several elements engaged in engineering applications to enable greater performance, cannot be adequately understood in this way. The most recent of these materials are hybrid composites, which combine synthetic and natural fibers, particularly glass fibers, and are anticipated to create new, promising materials in terms of their ties to cost, performance, and consistency. From the perspective of their …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1275–1285 Read article
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Comparative Study of Structural and Optical Properties of Bismuth Ferrite Nanoparticles for Photovoltaic Applications Synthesized via Different Sol-Gel Methods
Abstract: Pure multiferroic bismuth ferrite (BiFeO3) nanoparticles were successfully synthesized using an energy-efficient, low-temperature sol-gel method, comparing two distinct approaches: auto-combustion and non-auto-combustion. To ensure phase stability, the precursor solution's pH was strictly maintained between 1 and 2 using ammonia solution (NH4OH), while ethylene glycol (C2H6O2) was employed as a chelating agent for the Fe3+ and Bi3+ cations. All samples underwent a final annealing process at 500 °C to promote crystallization. …
Published in Journal of Materials & Metallurgical Engineering · Vol. 16, Issue 1, 2026 · pp. 83–94 Read article
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Design and Synthesis of Functionalized Copolymers for Enhanced Interfacial Compatibility in Polymer Matrix Composites
Abstract: Interfacial adhesion between the polymer matrix reinforcing phase affects significantly the mechanical and thermal behavior of polymer composites. The study reports on the design and synthesis of functionalized copolymers in the efforts to establish interfacial compatibility based on chemical design. The reinforcements were functionalized doping polar functional groups such as glycidyl methacrylate and maleic anhydride during free-radical copolymerization to form copolymerizing reactive sites that interacted with the reinforcement surfaces. Confirmation …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1404–1418 Read article
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Bioscouring And Anionization of Waste Cotton Fabric for Efficient Removal of Malachite Green Dye
Abstract: Adsorption is an efficient method for dye removal but the high cost of adsorbents limits its use, emphasizing the need for sustainable, low-cost alternatives. This study explores the usage of modified cotton fabric for the treatment of malachite green (cationic dye) from wastewater. Cellulase extracted from Raphanus sativus and Daucus carota were evaluated for bioscouring potential which was confirmed by scanning electron microscopy. Further, cotton fabric was chemically modified using …
Published in Journal of Water Pollution & Purification Research · Vol. 13, Issue 1, 2026 · pp. 53–68 Read article
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Catalyst-Driven Degradation and Failure Analysis of Intergranular Cracking in 316H Studded Pipes under Refinery Heat Recovery Conditions
Abstract: A failure analysis investigation was carried out on a high-temperature studded pipe used in a convection module for heat recovery in an oil and gas refinery application after leakage was detected during pre-commissioning hydrotesting. The investigated pipe was manufactured from AISI 316H austenitic stainless steel, and carbon steel studs had been joined to its outer surface by high-frequency resistance welding. Two leaks were reported in the pipe under investigation, and …
Published in Journal of Catalyst & Catalysis · Vol. 13, Issue 1, 2026 Read article
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Evaluation of Mechanical Behaviour of Tungsten Carbide and Magnesium Reinforced Aluminium Matrix Composites
Abstract: With industries like automotive and aerospace also being more inclined on the lightweight material and strength that is much substantial, the aluminium-based metal matrix composite has become a major focus of interest. This paper examines the influence of addition of tungsten carbide (WC) and magnesium (Mg) particles on the mechanical characteristics of Al6063 aluminium alloy. The crucible casting technique was made in two composite compositions 2.5 percent and 5 percent …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 1–8 Read article
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Investigating the Mechanical Properties and Microstructure of AA 7074 Composites with Silicon Nitride Reinforcement
Abstract: This study investigates the mechanical and microstructural properties of AA 7074 aluminium alloy reinforced with 1%, 3%, and 5% by weight of silicon nitride (Si₃N₄), fabricated via the stir casting method, intended for structural aerospace applications. A thorough series of mechanical tests—comprising tensile, compression, hardness, impact, flexural, and wear tests—was performed to assess the influence of differing reinforcing content. The composite containing 5 wt% Si₃N₄ (SN5) demonstrated the most pronounced …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 268–281 Read article
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Effect of Barium Sulphate on Mechanical Properties of Woven Aloe Vera/Flax Reinforced Epoxy Composites
Abstract: Natural fiber-reinforced composites are becoming popular because of their lightweight, eco-friendly, and sustainable nature. Nevertheless, single-fiber composites tend to exhibit poor mechanical performance. This research paper has created a hybrid composite bonded with woven Aloe vera and flax reinforced with an epoxy bond. Barium sulphate (BaSO4) filler was added to further improve the properties. The fibers were subjected to sodium hydroxide (NaOH) to enhance bonding with the matrix and the …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 355–365 Read article
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Mechanical Behavioral Analysis of Sugarcane Bagasse, Coconut Fiber and Kevlar Fiber Reinforced Composite with Micrographs
Abstract: Asbestos and alloys are materials that are frequently used as brake pads; however, because these materials pose risks to human health and the environment, including lung cancer, it is necessary to replace the materials used in brake pads. In place of the current brake pads, composite fibers such as kevlar, sugarcane bagasse, and coconut are studied in this study. The procedure of manually laying up composite molding is used to …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 282–296 Read article
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Microbially Modified Sustainable Cementitious Composites Using Industrial Ash Fillers
Abstract: The growing demand for sustainable, durable construction materials has driven the development of bio-engineered cementitious composites incorporating industrial by-products and self-healing mechanisms. This study investigates a microbially modified cementitious composite that integrates industrial ash fillers with bacteria-based self-healing technology to enhance mechanical performance and microstructural integrity while reducing cement consumption. Cement was partially replaced with industrial ash at 20%, 30%, and 40% replacement levels, and a uratolytic bacterial strain (Bacillus …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 331–350 Read article
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Polymer-Mediated Electron Transfer in Eco-Friendly P3HT–rGO Nanocomposites for Optoelectronic Applications
Abstract: Conducting polymer–graphene hybrid nanocomposites have emerged as promising materials for next-generation optoelectronic applications owing to their solution processability, tunable interfacial properties, and mechanical flexibility. Recent studies have highlighted the importance of graphene–polymer hybrid systems in enhancing charge transport pathways, exciton dissociation efficiency, and interfacial stability in organic optoelectronic devices. Despite these advantages, a key challenge remains the efficient production of individual graphene sheets through the reduction of graphene oxide using …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 413–423 Read article
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Design and Performance Analysis of Natural Rubber–Silica Nanocomposite Vibration Isolators for Household Appliances
Abstract: Natural rubber (NR) nanocomposites reinforced with surface-modified precipitated silica (SiO2) were synthesized through a two-roll mill compounding and compression-moulding process, then systematically evaluated as passive vibration isolator materials for domestic washing machine applications. Five silica loadings 0, 5, 10, 15, and 20 phr were investigated. A comprehensive characterization suite encompassing tensile testing, Shore A hardness, dynamic mechanical analysis (DMA), thermogravimetric analysis (TGA), and scanning electron microscopy (SEM) revealed clear structure–property …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 554–560 Read article
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Synthesis of Zinc Oxide Nanoparticles Through Polymeric Precursor Route and their Integration into Functional Nanocomposites
Abstract: A polymer precursor approach for creating zinc oxide (ZnO) nanoparticles with regulated size and shape is described in this work. By stabilising and capping particles, the polymer-assisted pathway efficiently reduces particle agglomeration while facilitating controlled nucleation and growth. The surface shape and dispersion of the produced ZnO nanoparticles were assessed using the scanning electron microscopy (SEM). When compared to traditional synthesis techniques, the addition of polymer greatly enhanced surface homogeneity …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 883–890 Read article