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123 articles for “Scanning Electron Microscope (SEM)”
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Synthesis of YSZ nanopowders by using PVA-metallic nitrate combustion method
Abstract: Yttria-stabilized zirconia (8YSZ) powder is widely used as a thermal barrier coatings material for various aeronautical gas turbine engine components and structures operating in high temperature environment as well as for the nozzle of solid rocket engine due to its relatively high thermal expansion coefficient, thermal reflectivity, low thermal and good corrosion resistance. The synthesis of single or composite metal oxides by combustion of metal-polyvinyl alcohol gel precursors (Me-PVA) has …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 14, Issue 3, 2024 · pp. 24–32 Read article
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Evaluation of Polysaccharide-Based Membranes for Transdermal Drug Delivery in Chronic Pain Management
Abstract: In order to improve treatment effectiveness and patient compliance, chronic pain management is still a major challenge in modern healthcare, requiring creative medication delivery methods. The potential of polysaccharide-based membranes for transdermal drug delivery is assessed in this work, with particular attention to chitosan, alginate, and hydroxypropyl methylcellulose (HPMC). Fourier-transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM) were two characterization techniques used to assess the membranes' physical and chemical …
Published in International Journal of Membranes · Vol. 1, Issue 2, 2024 · pp. 28–38 Read article
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Innovative Porcelain Insulators: Prolonged Durability and Anti-Contamination Efficiency via Nano-TiO2 Photocatalyst Integration
Abstract: Porcelain has long been a critical material in high-voltage electrical insulation due to its exceptional mechanical, thermal, and dielectric properties. However, environmental contamination and material degradation over time pose significant challenges to its durability. This study investigates the integration of nano-sized titanium dioxide (TiO2) photocatalyst coatings on porcelain insulators to enhance their performance and prolong their operational lifespan. Local clay compositions were analyzed, and a comparative study of untreated and …
Published in International Journal of Crystalline Materials · Vol. 1, Issue 2, 2024 · pp. 18–23 Read article
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Development of Biomass-Derived Composites From Commodity Plastics Via Pyrolysis For Enhanced Corrosion Protection of Metals
Abstract: Escalating environmental concerns and the depletion of fossil resources have spurred the need for sustainable and eco-friendly materials. By converting plastic waste into valuable carbonaceous materials via pyrolysis, both plastic pollution and resource scarcity can be addressed. The process involves the thermal decomposition of plastics in an inert atmosphere, producing a mixture of gases, liquids, and solid residues rich in carbon. These carbonaceous residues are then incorporated with biomass materials …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 59–70 Read article
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Synthesis of Magnetically Recoverable Nickel (II) Complex-Functionalized Fe3O4@ISNA (ISNA= Isonicotinic acid) Nanomaterials: Catalytic Studies on Nitrophenol Reduction and TD- DFT Studies
Abstract: In this study, we aimed to develop a novel, environmentally sustainable, and magnetically separable heterogeneous nanocatalyst, denoted as Fe3O4@ISNA@NiL (where L represents the ligand). The synthesis involved a two-step process, first, isonicotinic acid was chemically grafted onto the surface of iron oxide nanoparticles (Fe3O4) to introduce functional groups capable of further chemical modification. Subsequently, a nickel(II) Schiff base monomeric complex was anchored onto the modified surface, resulting in a nanocatalyst …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 88–96 Read article
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Eco-Friendly Tri-Layer Hybrid Composites: A Sustainable Approach to Polymer Matrix Materials
Abstract: In the current study, we explored the use of environmentally friendly natural fibers such as sisal, banana, and kevlar. These fibers were fabricated by hand lay-up technique, and their impact on tensile and dynamic properties was evaluated according to ASTM standards. The assessment was conducted under both dry and wet conditions, considering two different chemical dosage parameters for comparison. Additionally, the tri-layer fibers underwent two separate chemical treatments using 1% …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 195–205 Read article
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Synthesis of Magnetically Recoverable Nickel (II) Complex-Functionalized Fe 3 O 4 @ISNA (ISNA= Isonicotinic acid) Nanomaterials: Catalytic Studies on Nitrophenol Reduction and TD- DFT Studies
Abstract: In this study, we aimed to develop a novel, environmentally sustainable, and magnetically separable heterogeneous nanocatalyst, denoted as Fe 3 O 4 @ISNA@NiL (where L represents the ligand). The synthesis involved a two-step process, first, isonicotinic acid was chemically grafted onto the surface of iron oxide nanoparticles (Fe 3 O 4 ) to introduce functional groups capable of further chemical modification. Subsequently, a nickel(II) Schiff base monomeric complex was anchored …
Published in Journal of Polymer & Composites Read article
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Synthesis and Photoluminescence Dynamics of Europium (III) and Terbium (III) Co-doped of GdSrAl3O7 Color-Tunable Nanophosphors
Abstract: A series of Europium (III) and Terbium (III) co-doped GdSrAl3O7 color-tunable nanophosphors were synthesized by a simplistic, streamlined and self-propagating, urea-assisted solution combustion synthesis process. The structural and luminescence characteristics of synthesized Eu3+/Tb3+ co-doped Gadolinium Strontium Aluminate nanocrystalline phosphors were validated using powder X- ray diffraction (PXRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive X- ray analysis (EDAX), and photoluminescence spectra studies. The morphological studies revealed that …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 1069–1082 Read article
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Integrative Machine Learning Approaches for Predicting the Rheological Behaviour of Soft Magnetorheological Elastomers
Abstract: Magnetorheological Elastomers (MREs) are advanced composite materials known for their ability to alter mechanical properties under external magnetic fields, making them highly valuable in adaptive damping systems, vibration control, and smart devices. The accurate prediction of rheological behavior in soft MREs remains a significant challenge due to the complex interplay between material composition and magnetic fields. To address this challenge, this study employs a multi-pronged approach that integrates traditional material …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 1083–1096 Read article
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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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Sustainable Innovations in Green Nanotechnology for Nanoparticle Synthesis
Abstract: Green nanotechnology is an emerging field that focuses on the environmentally friendly production of nanoparticles through biological and sustainable processes. This approach has diverse applications across industries such as pharmaceuticals, energy, electronics, and bioengineering. Compared to conventional methods, biologically driven nanoparticle synthesis, particularly utilizing green chemistry principles, offers a safer, eco- friendly, non-toxic, and cost-effective alternative. Metal nanoparticles are commonly synthesized through top-down and bottom-up strategies using physical, chemical, and …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 3, Issue 1, 2025 · pp. 31–37 Read article
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Improving the Mechanical and Interfacial Properties of Bhendi Fiber via Chemical Surface Treatments
Abstract: Because of its primary benefits—moderate strength and stiffness, low cost, and being a renewable, degradable, and ecologically friendly material—natural fibers are believed to have potential use as reinforcing agents in polymer composite materials. Due to their inherent hydrophilicity, they have a tendency to retain moisture, which can impair or soften the fibers' adhesion to the surrounding matrix. This can have an impact on the performance of composite materials used in …
Published in International Journal of Advance in Molecular Engineering · Vol. 3, Issue 1, 2025 · pp. 22–32 Read article
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Enhancing The Mechanical Performance of Al6061/Graphite Composites Reinforced with Sic and Aluminium Oxide Processed by Stir Casting
Abstract: The study investigates the mechanical properties of aluminum alloy Al6061 reinforced with varying proportions of silicon carbide (SiC) (0 wt%, 4 wt%, 5 wt%, and 6 wt%) and aluminum oxide (Al₂O₃) (0 wt%, 4 wt%, 3 wt%, and 2 wt%), with a constant addition of 1 wt% graphite. The composites were fabricated using the stir casting process, an efficient and economical method for uniformly distributing ceramic reinforcements within the metal …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 66–74 Read article
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Green Synthesis of Cobalt Oxide Nanoparticles Using Delonix regia Leaf
Abstract: Green synthesis of nanoparticles offers a sustainable and eco-friendly alternative to conventional methods. This study explores the biosynthesis of cobalt oxide nanoparticles (Co3O4 NPs) using Delonix regia leaf extract as a reducing and stabilizing agent. The synthesized Co3O4 NPs were characterized by UV-visible spectroscopy, Fourier transform infrared (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM), confirming their uniform spherical morphology with an average size of …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 16, Issue 1, 2025 · pp. 30–38 Read article
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Experimental Investigation and Surface Morphology Study on Areca Fiber Composite Material
Abstract: Composites manufactured from areca fibers had their characteristics assessed in recent research. Shape and size were determined by cutting the stem. It takes six months to dry the fibers once they are taken from the tree stem. Because pectin, cellulose, hemicellulose, and lignin make up the bulk of it. It has great regeneration capacity and is a resource material made of wood fibers. The untreated and chemically treated fibers are …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 459–468 Read article
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Synthesis and Characterization of Sustainable, Low-Cost, Biomass-Derived Carbon Films from Hevea Brasiliensis (Rubber) Wood for Environmentally Friendly Gas Sensors with Enhanced Selectivity and Sensitivity to Polar Vapors and Hazardous Gases
Abstract: Hevea brasiliensis (rubber) wood sawdust was utilized to fabricate carbon gas sensors for detecting 1000 ppm of ethanol, methanol, acetone, carbon dioxide, and ammonia gases. The carbon particles were prepared by phosphoric acid impregnation followed by thermal activation and then fabricated into films on conductive and non-conductive substrates using the doctor blade method. X-ray diffraction (XRD) analysis revealed distinct graphitic features with peaks at the (002) and (100) planes, indicating …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 12, Issue 1, 2025 · pp. 22–36 Read article
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Synthesis and Characterization of Forsterite Incorporated HDPE Composites for Microwave Substrate Application
Abstract: High Density Polyethylene (HDPE) combined with dispersed forsterite (Mg₂SiO₄) powder was utilized to fabricate polymer matrix composites (PMCs) aimed at high-frequency microwave substrate applications. Forsterite powders were synthesized using the mixed oxide method, and their phase purity was confirmed by X-ray diffraction (XRD) analysis. The dispersion and morphology of the ceramic filler within the HDPE matrix were examined through Scanning Electron Microscopy (SEM), ensuring a homogeneous distribution essential for optimal …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 109–120 Read article
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Wettability and Physiothermal Analysis of Silver-Reinforced Eggshell-Derived Hydroxyapatite Based Biocomposite
Abstract: Hydroxyapatite (HAp), a biocompatible ceramic material, has garnered significant interest in medical applications due to its natural bone type replica. The current study investigates the physical, wettability, and thermal properties of a novel HAp derived from eggshell waste and reinforced with silver nanoparticles at 0.0, 0.1, 0.2 and 0.5 weight % concentration using chemical precipitation method and termed as HAP0.0Ag, HAP0.1Ag, HAP0.2Ag and HAP0.5Ag respectively. As observed, the Fourier transform …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 300–314 Read article
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Development of Robot Arm Fingers with Polymer Soft Materials
Abstract: Lightweight soft material applications have attracted attention to Basalt Fiber Reinforced Polymer (BFRP) laminates because of their impressive mechanical characteristics. The impact response and stress-strain behavior of epoxy resin laminates armored with basalt fiber and banana fiber are investigated during this project using computational and experimental approaches. The hand lay-up method was employed to create laminates with a thickness of 3 mm, dimensions of 300x300 mm², and a layout of …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 432–439 Read article
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Experimental Investigation on Mechanical Characterization of Electrodeposited Shot Peened Copper Coated and Un-Coated Mild Steel
Abstract: The fatigue strength of fabricated copper coating on mild steel specimens under repeated loading and the overall number of cycles to failure has been investigated. The specimens of copper coating on mild steel substrate are fabricated by using an electro deposition shot peening method. The hardness behaviour of fabricated specimens studied and the experimental work has been carried out by using Vickers Micro Hardness under the load of 20N force. …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 279–288 Read article