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175 articles for “crystal materials”
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Enhancing Thermal and Mechanical Performance of Polymer-Based Phase Change Materials with Graphite Nanoplatelets: A High-Efficiency Approach for Energy Storage Applications
Abstract: This study explores the performance enhancement and characterization of polymer-based phase change material (PCM) composites reinforced with graphite nanoplatelets (GNPs) for thermal management applications. The integration of GNPs significantly improved thermal conductivity, which increased from 0.38 W/m·K in pure PCM to 2.60 W/m·K with 10 wt% GNPs, marking a 580% improvement. Differential Scanning Calorimetry (DSC) analysis revealed a reduction in latent heat capacity from 180 J/g to 150 J/g—approximately 16.7%—attributed …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 150–162 Read article
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Role of Strontium in Structural and Dielectric characterstics of Barium Titanate
Abstract: Ba₀.₇₅Sr₀.₂₅TiO₃ (BST) compound was synthesized through the conventional solid-state reaction methodology, aimed at investigating its structural, microstructural, and dielectric characteristics. The structural characterization was executed employing X-ray diffraction (XRD), and the resultant diffraction patterns were refined utilizing the Rietveld method, which substantiated the establishment of a single-phase perovskite configuration exhibiting tetragonal symmetry and belonging to the P4mm space group. The refined lattice parameters revealed subtle distortions correlating with the substitution …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1157–1163 Read article
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Microstructure Analysis and Material Properties of Weld Slag as Fine Aggregate in Concrete
Abstract: To reduce the amount of river sand used, researchers and engineers have developed their own solutions. The well-known technique of submerged-arc welding can create high-quality welds in a variety of thicknesses for ferrous, stainless, and even some non-ferrous metals. The procedure involves an electric current flowing constantly between a welding wire and the work piece, creating an arc. In submerged arc welding, the shielding flux is transformed into slag during …
Published in Recent Trends in Civil Engineering & Technology · Vol. 15, Issue 2, 2025 · pp. 13–18 Read article
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Characterization of Polyurethane at Multiple Scales for Erosion Mechanisms Under Sand Particle Impact
Abstract: Thin polyurethane layers have been widely used as erosion-resistant coatings on helicopter rotor blades such as UH-60 Black Hawk and Eurocopter SA 315. Published research has mainly focused on empirical studies that relate the mechanical properties such as rebound resilience and hardness of polyurethane to solid particle erosion resistance. However, polyurethane possesses phase mixing at multiple scales and thus sand particle erosion resistance depends also on the microstructure and the …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 13, Issue 1, 2026 · pp. 1–13 Read article
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Revolutionizing Petrology and Mineralogy: The Study of AI and Advanced Sensor Technologies
Abstract: Petrology and mineralogy are fundamental to understanding Earth's intricate processes, from crustal evolution to economic resource formation. However, traditional methods, while precise, are often laborious, time-consuming, and occasionally subject to interpretive bias. This abstract explores the transformative potential of integrating cutting-edge Artificial Intelligence (AI) and advanced sensor technologies to revolutionize data acquisition, analysis, and interpretation in these critical geosciences. Advanced sensor technologies, including high-resolution spectral imaging (hyperspectral, Raman), automated X-ray …
Published in International Journal of Minerals · Vol. 2, Issue 2, 2025 · pp. 1–11 Read article
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Temperature dependence of Schmidt number of composite material based liquid lithium
Abstract: This work presents a simple formalism for Schmidt number and its temperature dependence for liquid lithium. It is explained that the temperature dependence of Schmidt number (Sc = η/ ρD) can be understood through dependence of topological-short-range-order (TSRO) parameter on temperature. Expression for Schmidt number has been deduced in terms of average potential energy US of superficial core, probability of diffusional displacement (P) and the TSRO parameter (x) . Calculations …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 206–212 Read article
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Effect of Red Mud Loading on the Thermal and Mechanical Performance of Polypropylene Composites
Abstract: Waste red mud (RM) serves as a low-cost and sustainable filler material in a polypropylene (PP) matrix. This study investigate the effects of different red mud contents on the dynamic mechanical and thermal properties of polypropylene-red mud (RM-PP) composites where red mud levels range from 0% to 40% (based on weight percentage). Fourier Transform Infrared Spectroscopy (FTIR) was conducted for verifying the presence of both polypropylene and red mud in …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 161–169 Read article
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Comparative Assessment of Polymers and Composites for Solar Panels: Fundamentals, Performance Metrics, Manufacturing, and Sustainability
Abstract: This paper presents a comprehensive review of the main types of Photo Voltaic polymers and composites such as crystalline silicon (both mono- and poly-Si), thin-film tech (CdTe, CIGS, a-Si), perovskites, and organic/dye-sensitized cells and analyses the parameters such as efficiency, fill factor, open-circuit voltage, temperature response, and degradation. The analysis focusses on polymers and composites and manufacturing techniques like vapor deposition, roll-to-roll printing, and both solution and vapor techniques for …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 120–130 Read article
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SYNTHESIS AND CHARACTERIZATION OF Mn2+ DOPED LiPbX3(X = Cl, Br, I)
Abstract: In this paper the structural, electronic and optical properties of Mn doped Pb based cubic perovskites LiPbX3(X= Cl, Br and I) were studied by wet chemical method (sol gel method). For Mn doped LiPbX3(X= Cl, Br and I) NCs, MnCl2 and PbBr2 were added in molar feed ratio 1.35 mole% and nan crystal were examine with the help of TEM and their structure were confirmed by X-ray diffraction (XRD). Additionally, …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 48–54 Read article
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Magnetic Nanopolymer: Applications and Challenges in Medical Imaging and Theranostics
Abstract: Biopolymers are valuable complex materials. They attract attentions of many scientists, engineers and medical professionals’ for application research. In this research, an assessment of emerging Nanopolymers including magnetic nanopolymer is focused. Hence, sources, magnetic properties, and biomedical application of such polymers are given attention. As ordinary polymers, nano sized biopolymers are visualized as natural and synthetic polymers. However, more emphasis is given to green synthesized magnetic polymer, particularly magnetic Chitosan …
Published in International Journal of Crystalline Materials · Vol. 2, Issue 1, 2025 · pp. 11–21 Read article
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Polymer Based Optoelectronics in Clinical Application Treated with Sodium Fluoride and Aqueous Dimethyl Sulfoxide Solutions
Abstract: In polymer science, dimethyl sulfoxide (DMSO) and sodium fluoride (NaF) are frequently combined to dissolve, modify, or treat particular polymers, most notably in the processing of cellulose and the creation of polyvinylidene fluoride (PVDF) membranes. The viscosities, ultrasonic velocities, and sodium fluoride densities of aqueous solutions of dimethyl sulfoxide (DMSO) have been measured at T=303.15, 308.15, 313.15, and 318.15 K. Fluorides (such as NaF or TBAF) help break inter-chain hydrogen …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 20–29 Read article
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Combustion Synthesis and Comprehensive Characterization of Pure and Ni-Doped CuFe₂O₄ Nanoparticles for Functional Composite Applications
Abstract: The CuFe2-xNixO4 (x = 0, 0.1, 0.3, and 0.5) nanoparticles were synthesized using a combustion method and comprehensively characterized to understand their suitability for polymer-based composite applications. X-ray diffraction confirmed the formation of a single-phase spinel ferrite structure with crystallite sizes of 20–30 nm. Energy-dispersive X-ray spectroscopy verified the successful incorporation of Ni ions into the CuFe₂O₄ lattice, while FE-SEM analysis revealed uniformly dispersed nanoscale particles desirable for composite reinforcement. …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1–11 Read article
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Exposure of Nanoparticle Leads to Health Hazards
Abstract: Nanotechnology is a technique used for the production of materials of the nanoscale level. This is a new development in technology which usually entails some hazards as well as advantage to society. Thus nanomaterials are well known for their various beneficial uses in the medicines, engineering, computer, etc., in spite of that it is associated with many hazards related to human health. The exposure of nanomaterials through dermal contact, inhalation, …
Published in Research and Reviews: A Journal of Toxicology · Vol. 9, Issue 3, 2019 · pp. 7–18 Read article
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Preparation and Characterization of PVA-MgO Nanocomposite Films
Abstract: In this work, Magnesium Oxide Nanoparticles (MgO NPs) doped with 3 g of polyvinyl alcohol (PVA) at different weight percentages (0, 2, 4, 6, and 8 wt.%) using the solvent casting method, to fabricate thin PVA-MgO nanocomposite (NC) films. These films were characterized by (i) XRD, SEM, EDX, DLS, and Zeta Potential for morphological studies, (ii) FTIR spectra and UV-Visible techniques for spectroscopic studies and (iii) DSC for thermal studies. …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 27, Issue 2, 2025 · pp. 40–62 Read article
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Frictional properties of thermally processed electroless nickel coatings
Abstract: Electroless plating was used to deposit the nickel (Ni) coatings on the carbon steel substrate, both with and without incorporated cubic boron nitride (c-BN) nanoparticles. Coatings were put through tests under both heat-treated and as-deposited conditions. In addition to measuring hardness and roughness, the coating structure was characterized. Under dry and water lubricated contact circumstances, the friction characteristics of bronze, used as the counter-body material, were investigated. coefficients of friction …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 9, Issue 2, 2022 · pp. 27–31 Read article
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Synthesis and Characterization of Polyvinyl alcohol film incorporated with Tridax procumbens leaf extract
Abstract: Active film materials are prepared by incorporation of natural antimicrobial and antioxidant agents. These materials have attracted growing interest in wound dressing and food packaging process. In this study, active films were developed by incorporation of Tridax procumbens (T. procumbens) leaf extract into Polyvinyl Alcohol (PVA) matrix. T. procumbens leaves have been accounted for their biomedical and nutritional properties. The impact of T. procumbens leaf extract on the physical, mechanical …
Published in Journal of Polymer & Composites · Vol. 11, Issue 2, 2023 · pp. 40–51 Read article
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Experimental Investigation on Heat Transfer Characteristics of Thermal Barrier Coating on Aero Engine Components
Abstract: The gas turbine blades play a crucial role in harnessing energy from the high-temperature and highpressure gas generated by the combustor. To withstand this challenging environment, turbine blades often employ super-alloys and incorporate new manufacturing technologies such as Direct Solidification (DS) and Single Crystal (SC). Additionally, the development of advanced ceramic Thermal Barrier Coating (TBC) is imperative to achieve higher operating temperatures (>1200°C). Therefore, the primary focus of this study …
Published in Journal of Polymer & Composites · Vol. 11, Issue 13, 2023 · pp. 50–58 Read article
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Fabrication, Mechanical Characterization, and Biodegradation Analysis of Polylactic-Acid-Based Composite for Medical Sutures
Abstract: Wound closure is surgical aids that relieve heavily on sutures, which help maintain proper tissue alignment and support healing. The effectiveness depends on factors such as the type of wound, required mechanical strength, risk of infection, and characteristics like absorbability and thickness of the martial. The efficacy of sutures is determined by their material properties and structural characteristics, which affect their mechanical properties. The primary objective of this study was …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 7–12 Read article
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Fabrication of Low-Cost and High-Efficiency Crystalline Silicon Solar Cells Using Polymeric Carrier Selective Contacts
Abstract: Crystalline silicon (c-Si) solar cells are the leading choice in the photovoltaic market due to their dependability and long-term stability, but lowering production costs and increasing efficiency remain key issues. Organic semiconductors use carrier-selective contacts based on doped amorphous silicon layers and transition metal oxides to simplify and lower the production costs of efficient crystalline silicon solar cells. Polymers are rapidly being used in photovoltaics as flexible substrates, photoanode films, …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 124–131 Read article
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Analysis of Ageing and Degradation Behavior of Polyamide-12 for Sustainable Additive Manufacturing
Abstract: Additive Manufacturing (AM), particularly High-Speed Sintering (HSS), has emerged as a transformative technology capable of producing complex thermoplastic parts with high efficiency and minimal material waste. The HSS process involves selective deposition of radiation-absorbing ink followed by infrared heating to consolidate polymer powders-most commonly polyamide-12 (PA12). While PA12 is widely used due to its excellent thermal stability and mechanical properties, the sustainability of HSS strongly depends on the reuse of …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 136–154 Read article