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552 articles for “engineering properties”
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Development of Refractory Synthesized from Waste Ceramic Fiber and Chamotte
Abstract: Research on refractory materials is always essential in thermal engineering to ensure both heat savings and environmental protection. Raw materials used initially have a great influence on the production process and product properties. In addition, the refractory products are tested under conditions of high temperature and varying intensity, such as tests of thermal shock resistance. In this study, new refractory composites were prepared by mixing waste ceramic fibers with chamotte …
Published in Journal of Polymer & Composites · Vol. 8, Issue 2, 2020 · pp. 101–109 Read article
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Differential Model of Wave Vibration on Strings and Rods
Abstract: Vibration, as a physical phenomenon, plays a multifaceted role in both natural and engineered systems. Beyond its essential contribution to communication through sound and speech, it finds critical application in various technological domains. For instance, in the design of stringed musical instruments such as violins and guitars, precise manipulation of string vibrations defines tonal quality and musical resonance. Similarly, metal rods in tuning forks exhibit vibrational properties that are finely …
Published in Research & Reviews : Journal of Physics · Vol. 14, Issue 1, 2025 · pp. 17–21 Read article
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Tribological Behaviour of PTFE based Composite Materials with Different Filler Materials: A Combine Numerical and Experimental Approach
Abstract: This study investigates the tribological behaviour of Polytetrafluoroethylene (PTFE) composites reinforced with various fillers, utilizing the Archard wear model to analyse wear mechanisms and predict wear rates. PTFE is widely recognized for its excellent chemical resistance and low friction, but its inherent wear resistance is relatively poor. To enhance its tribological properties, fillers such as glass fibres, carbon fibres, bronze, and graphite were incorporated into the PTFE matrix. In the …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 547–557 Read article
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Crystal Defects and Their Characterization in Modern Materials Science
Abstract: The physical and chemical properties of crystalline solids are fundamentally dictated by deviations from structural perfection, known as crystal defects. From the point-scale vacancies that drive diffusion to the planar boundaries that determine mechanical strength, defects serve as the primary "tuning knobs" in material design. This review provides a comprehensive examination of point, line, and planar defects, exploring their formation energetics and their role in plastic deformation via crystallographic slip. …
Published in International Journal of Crystalline Materials · Vol. 3, Issue 1, 2026 · pp. 15–19 Read article
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Regression Analysis of Topological Indices and Physicochemical Properties of Polymer-Based Anticancer Drugs
Abstract: The research analyzed the quantitative correlation between topological indices and the physicochemical properties of selected anticancer compounds using regression analysis. Various topological descriptors—such as the First Zagreb Index, Second Zagreb Index, and Forgotten Index were calculated and regressed against key molecular features, including polar surface area, melting point, and molar refractivity. The regression analysis revealed linear correlations between these topological indices and the properties of anticancer drugs, with particularly strong …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 255–267 Read article
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Enhancement of Cable Profile and Deck Arrangement in Cable Stayed Bridge A Review
Abstract: Cable-stayed bridges are usually self-anchored structures and therefore offer a good solution at locations where the soil conditions are not good and as a consequence the cost of the foundations for an earth-anchored structure like a typical suspension bridge would become excessive. To overcome these problems, it is necessary to find a new type of material in lieu of steel. Fiber reinforced polymer (FRP) has many excellent properties, such as …
Published in Journal of Construction Engineering, Technology & Management · Vol. 9, Issue 2, 2019 · pp. 21–26 Read article
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THERMAL ANALYSIS OF SQUARE PLATE BY USING FINITE ELEMENT METHOD
Abstract: Thermal analysis of isotropic square plate made up of various materials with thermal load application and different boundary conditions is analyzed in this research. Finite element formulation is carried out in the analysis and the FEM formulation is done in the analysis section of the ABAQUS. In this study, flat Square plate without cut-out which can be assumed as perfect plates which are made up steel, aluminium materials are analysed. …
Published in Journal of Structural Engineering and Management · Vol. 5, Issue 2, 2018 · pp. 81–85 Read article
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THERMAL ANALYSIS OF PLATE AND BEAM BY USING FINITE ELEMENT METHOD
Abstract: Thermal analysis plate and beam made up of various materials with thermal load application and different boundary conditions are analyzed in this research. Finite element formulation is carried out in the analysis and the FEM formulation is done in the analysis section of the ABAQUS. In this study, flat Square plate without cut-out which can be assumed as perfect plates which are made up steel, aluminium materials are analysed. Finally …
Published in Journal of Structural Engineering and Management · Vol. 5, Issue 3, 2018 · pp. 41–47 Read article
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Statistical Modeling of Heat Transfer and Fluid Dynamics: Application in Mechanical Engineering Design
Abstract: Understanding and optimizing the intricate processes involved in heat transfer and fluid dynamics—two concepts essential to mechanical engineering design—require statistical modeling. Engineers can forecast, regulate, and enhance the performance of systems including heat exchangers, turbines, cooling mechanisms, and different fluid machinery by using statistical approaches. In order to address uncertainties, variability in material properties, boundary conditions, and operational parameters, this work investigates the integration of statistical modeling tools in the …
Published in Research & Reviews : Journal of Statistics · Vol. 13, Issue 2, 2024 · pp. 18–22 Read article
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Biodiesel Blends in Diesel by Improvement of Cold-Flow Properties of Karanja and Jatropha Biodiesel
Abstract: In this paper performance analysis of blends, Method for improving the cold-flow properties of jatropha and Karanja based biodiesel are described. Biodiesel fuels made from saturated fatty acids will have a greater cloud point and pour point than those obtained from unsaturated fatty acids. Thegoal of this study is to look at the cold flow parameters of 100% biodiesel and biodiesel mixes in diesel engines. The cold flow characteristics of …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 12, Issue 3, 2021 · pp. 1–12 Read article
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Evaluation of the Emission and Engine Operability of Biodiesel and Biodiesel Blends Produced from Alkali-Catalyzed Esterification and Transesterification of Jatropha Oil Feedstock
Abstract: This study reports on the engine performance analysis of biodiesel and blends produced from jatropha-based bio-oil feedstock via combined esterification and transesterification process, the physiochemical of the bio-oil, and subsequent biodiesel produced. Jatropha bio-oil was characterized to determine its fuel properties. A liquid phase transesterification reaction at 60 min reaction time, 50°C temperature, using a methanol-oil molar ratio of 40:1 and 0.35 g of sodium hydroxide (NaOH) catalyst was carried …
Published in Journal of Petroleum Engineering & Technology · Vol. 15, Issue 1, 2025 · pp. 9–21 Read article
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Development and Mechanical Characterization of Hybrid Natural Fiber-Reinforced Polymer Matrix Composites for Structural Applications
Abstract: The growing demand for sustainable, lightweight, and cost-effective materials in engineering has driven significant interest in natural fiber-reinforced polymer composites (NFRPCs). Among various options, hybrid composites combining two or more natural fibers offer a balanced improvement in mechanical properties while maintaining environmental benefits. This study investigates the fabrication and mechanical performance of jute–hemp fiber-reinforced epoxy composites. Specimens were prepared using the hand lay-up technique followed by compression molding to ensure …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1181–1189 Read article
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Evaluation of Sustainable Waste Materials in Asphalt Paving Mixtures
Abstract: Generating recycled tires, disposable plastic bottles and waste engine oil are important problem in Iraq and there is need to solve it . The waste materials can be considered as an alternative materials in road pavement technology and the using of these materials would be a solution to converse the environment from pollution in one hand and modifying the asphalt paving materials on the other hand. The two waste materials …
Published in Trends in Transport Engineering and Applications · Vol. 6, Issue 1, 2019 · pp. 12–19 Read article
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Effect of Thermal Conditioning - Mechanical Performance of Natural-Synthetic Fiber Hybrid Composites
Abstract: This study investigates the effects of thermal conditioning on the mechanical and thermal properties of banana-glass fibre hybrid composites, focusing on their tensile, flexural, impact strength, and thermal conductivity. Hybrid composites were fabricated with varying banana-to-glass fibre ratios of 70:30, 50:50, and 30:70 using a hand layup technique, followed by thermal conditioning at 60°C, 80°C, and 100°C for a specified duration. Results highlight that the 50:50 composite treated at 80°C …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 1–11 Read article
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A Review on Quantum Dots and Their Bioimaging Applications
Abstract: Quantum dots are nanoscale semiconductor crystals engineered to emit highly intense, photo-stable luminescence with quantum yields reaching 90%. Structurally, they are synthesized as single-substance core types, hetero-structured core-shell architectures for enhanced stability, or blended alloys. They are further categorized by synthesis and functional traits into colloidal, magnetic, and highly fluorescent varieties, alongside specialized silicon and eco-friendly carbon-based variants derived from organic waste. Due to their exceptional optoelectronic properties, they are …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 16, Issue 2, 2026 · pp. 41–60 Read article
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Polymer Matrix Characterization and Interfacial Engineering in Bamboo/Sisal/Chopped Mat Hybrid Fiber Composites
Abstract: The present investigation focuses on the characterization of polymer matrices and the interfacial behavior of bamboo, sisal, and chopped strand mat (CSM) fiber-reinforced epoxy composites. The work aims to understand how natural fibers influence the curing, thermal, and adhesion properties of hybrid composite systems. Experimental analyses were carried out using differential scanning calorimetry (DSC), dynamic mechanical analysis (DMA), thermogravimetric analysis (TGA), and Fourier transform infrared spectroscopy (FTIR) to evaluate curing …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 123–135 Read article
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An Experimental Investigation on Hybrid Polymeric Composite Materials Reinforced with Sisal & Acacia Fiber
Abstract: AbstractThe demand for wood materials in the construction of building field is on the rise. This leads to the depletion of natural resources and encourages deforestation. The polymeric composite materials reinforced with natural fiber are being used as a wood substitute and is also used for fabricating interior parts of the automobiles. Acacia fiber is also added to the polyester resin, since it is good in compressive and tensile strength. …
Published in Journal of Materials & Metallurgical Engineering · Vol. 8, Issue 3, 2018 · pp. 19–24 Read article
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Development of Environmentally Friendly Concrete by Incorporating Rubber and Leather Waste
Abstract: The valorization of post-consumer polymeric waste into high-performance composite materials offers a sustainable strategy for advancing circular economy principles and reducing environmental impacts.This study investigates the feasibility of utilizing recycled crumb rubber from end-of-life tires and leather-derived polymeric waste from the footwear industry as sustainable fillers in polymer-modified cementitious composites. Crumb rubber and processed leather waste were incorporated as partial replacements for natural fine aggregate at replacement levels of 0%, …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 547–563 Read article
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Mechanical Characterization of Prosopis Juliflora Fibre-Reinforced Epoxy Composites for Sustainable Automotive Applications
Abstract: This study investigates the potential of Prosopis juliflora (PJ) fibre as an eco-friendly, economical, and mechanically efficient reinforcement for epoxy-based polymer composites. Composite samples were produced using the compression moulding technique with epoxy-to-fibre weight ratios of 90:10, 85:15, and 80:20. Mechanical tests, including tensile, flexural, impact, and hardness evaluations, were conducted in accordance with relevant ASTM standards. The incorporation of PJ fibre resulted in significant improvements in the mechanical behaviour …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1720–1728 Read article
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Application of Graphene in Health and Medical Areas
Abstract: A comprehensive overview of the current state of graphene research in the health and biomedical field are presented here. The graphene and its derivatives hold immense potential for various applications in biotechnology, biomedicine, and bioengineering. The unique physicochemical properties of graphene, such as thermal conductivity and high-specific area, make it a promising material for advancements in drug delivery, bio-imaging, biosensors, and tissue engineering. However, there is an increasing anxiety surrounding …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 10, Issue 3, 2023 · pp. 1–9 Read article