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145 articles for “scanning electron microscopy”
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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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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
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Semiconducting Materials for Emerging Electronics and Technological Applications
Abstract: Semiconducting materials are important for emerging electronic and photovoltaic technologies because their structural, optical and electrical properties can be tailored for specific device applications. In this study, a TiO₂-based composite photoanode is considered as a polymer-assisted semiconducting thin-film system in which inorganic TiO₂ nanoparticles are processed with organic film-forming components to produce a porous layer for dye-sensitised solar cell application. Nanocrystalline TiO₂ nanoparticles were synthesised from titanium isopropoxide using a …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 36–50 Read article
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High-Performance Polymer Composite Membranes for Selective Ion Transport in Advanced Energy Conversion Systems
Abstract: The development of high-performance Polymer Composite Membranes (PCM) with enhanced ion transport is essential for Polymer Electrolyte Membrane Fuel Cells (PEMFC). However, low-humidity conditions and filter agglomeration still limit long-term membrane stability. This research designs a functionalized PCM integrating cross-linked Poly (Vinyl Alcohol)/Poly (Ethylene Glycol) (PVA/PEG) matrix with sulfonic acid functional groups and Titanium Dioxide (TiO₂) nanofillers to improve selective ion transport under low-humidity conditions. Two types of PCM were …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 724–736 Read article
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Machine Learning Based Optimization of Polymer Structure Property Relationships in Composite Material Systems
Abstract: In modern engineering applications, polymer-based composite materials have garnered a lot of attention because of their lightweight nature, high strength-to-weight ratio, and changing physical features. In order to maximize the relationships between polymer structure and properties in composite materials, this study suggests a strategy based on reinforcement learning (RL). The research utilized the Polymer Composite Properties Dataset, which contains 12,700 records associated with polymer matrices, reinforcement fillers, interfacial bonding characteristics, …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 242–255 Read article
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Effects of Sub-Zero Temperatures on the Viscoelastic Properties of Magnetorheological Elastomer
Abstract: Magnetorheological elastomers (MREs) are smart materials capable of tuneable stiffness and damping under applied magnetic fields. This renders the material as a promising candidate for adaptive vibration control and semi-active engineering applications. While their behaviour at elevated temperatures has been widely explored, limited attention has been given to their performance under sub-zero conditions, which are critical for cold-environment applications. As this has become an important concern, the study investigates the …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
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Hybrid Polymer Composites Reinforced with Coconut Shell Fillers and Silica Fume: Synergistic Effects of Industrial By-Products : A Comprehensive Review
Abstract: The increasing requirement of sustainable and high-performance engineering materials has led to increased research in hybrid polymer composites comprising sustainable fillers in the form of renewable biomass or industrial by-products. Among the various bio-fillers that exist, coconut shell filler is gaining much prominence due to its low density, high content of lignin, hardness, and abundance as agricultural waste. Another industrial by-product that is rich in amorphous silica and possesses high …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 Read article
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Synthesis and Structural Characterization of Nanocrystalline CeO2 and Ce0.95Cu0.05O2 Solid Solution Catalysts Properties and its Applications
Abstract: The Main study and the development of CeO2 and Cu doped CeO2 nanocrystals containing transition-metal species are of crucial importance for understanding the preparation and fabrication of CeO2 and Cu doped CeO2 nanoparticles by solution combustion technique to taken glycine as fuel. Here, we have investigated the effect of Cerium dioxide and Cu dopant ions on the structural properties of Ce1-xCuxO2 nanocrystals (NCs) synthesized via co-precipitation technique. XRD results confirmed …
Published in Journal of Catalyst & Catalysis Read article
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Innovative Synthesis Techniques and Comprehensive Mechanical Characterization of Biopolymer-Based Composites for Advanced Applications in Biochemistry and Materials Sciences
Abstract: Biopolymer-based composites have gotten a lot of attention lately because they could be used in biology and materials science in interesting ways. The main goal of this study is to come up with new ways to make composites and then fully characterize their material properties so that they can be used in more advanced ways. During the production step, a new method is used that combines green chemistry ideas with …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 119–136 Read article
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Comprehensive Study on the Mechanical And Tribological Response of Waste Tyre Rubber–Natural Fiber Hybrid Epoxy Composites
Abstract: Research into the mechanical and tribological characteristics of Prosopis juliflora-fiber reinforced epoxy-matrix composites with recycled tyre rubber particles is the focus of this investigation. Making use of old tire rubber and bio-reinforcing with fibers from the common invasive plant Prosopis juliflora are the goals of the two-reinforcement technique. The end goal is to produce long-lasting, cost-effective engineered composite materials with improved performance. A constant epoxy resin matrix was used to …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
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In-Situ Polymerized GO/PANI Composites: Structural Evolution, Optical Modulation, and NH₃ Sensing at Room Temperature
Abstract: Graphene oxide (GO)/polyaniline (PANI) composites with varying PANI contents (20, 40, and 60 wt%) were synthesized via in-situ oxidative polymerization and systematically investigated for their structural, morphological, optical, and gas-sensing properties. X-ray diffraction (XRD) confirmed a progressive increase in interlayer spacing and partial exfoliation of GO layers with increasing PANI content, indicating intercalation-assisted hybridization. Fourier transform infrared (FTIR) spectroscopy revealed the characteristic vibrational bands of both constituents and confirmed strong …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article