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1112 articles for “mechanical structure”
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Assessing Nanomaterial Toxicity and Environmental Behavior: Toward Sustainable and Safe Nanotechnology
Abstract: The rapid advancement of nanotechnology has introduced engineered nanomaterials into diverse sectors including medicine, agriculture, electronics, and consumer products. However, the unique physicochemical properties that make nanomaterials valuable also raise significant concerns about their potential toxicity to human health and ecological systems. This study presents a comprehensive survey-based analysis of 400 respondents from diverse professional backgrounds across seven countries to assess perceptions and understanding of nanomaterial toxicity mechanisms and environmental …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 28, Issue 1, 2025 · pp. 1–11 Read article
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Magnetic Metal–Polymer Composites with Ferromagnetic Particle Networks for EMI Shielding in Flexible Electronics
Abstract: The rapid expansion of flexible and wearable electronic systems has intensified the demand for lightweight, mechanically compliant materials capable of effective electromagnetic interference (EMI) shielding. In this study, magnetic metal–polymer composites with magnetically aligned ferromagnetic particle networks were developed and systematically investigated for EMI shielding in flexible electronics. Thermoplastic polyurethane (TPU) was employed as an elastomeric polymer matrix due to its excellent flexibility, dielectric characteristics, and compatibility with particulate fillers. …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 25–39 Read article
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Biochemical Changes in Chickpea (Cicer arietinum L.) Plants Induced by Flooding
Abstract: Flooding is a significant environmental stressor that affects the growth, development, and productivity of chickpea (Cicer arietinum L.), a crucial pulse crop grown worldwide, especially in India. This study investigates the biochemical changes in chickpea plants subjected to prolonged and sudden flooding. Key parameters analyzed include carbohydrate metabolism, protein content, chlorophyll levels, amylase activity, and proline accumulation. Results show that flooding significantly reduces total sugar content in leaves, stems, and …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 13, Issue 3, 2024 · pp. 1–9 Read article
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Thermal Analysis of Natural Fiber and Hybrid Composites
Abstract: This study examines how natural fiber and hybrid composites reinforced with natural and glass fibers perform under thermal conditions specifically, the effects of temperature that are common in automotive and aerospace environments. To evaluate their behavior, the composites were tested at two elevated temperatures, 60°C and 70°C. Mechanical tests such as tensile and impact were conducted to simulate real-world operating conditions and assess how thermal, and moisture exposure influence the …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 1173–1196 Read article
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Computational Modeling of Polymer Semiconductors for Electronic Applications
Abstract: Polymer semiconductors have become important materials in modern electronic applications because they combine semiconducting behavior with mechanical flexibility, low-cost processing, and tunable molecular structure. Their growing use in organic field-effect transistors, organic photovoltaics, organic light-emitting diodes, and flexible sensing devices has increased the need for accurate computational approaches that can predict material properties and device performance before experimental fabrication. This paper reviews the major computational modeling techniques used for polymer …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 132–146 Read article
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Framework-Based Optimization of Catalysis Efficiency through Reaction Pathway Engineering
Abstract: The rational design of heterogeneous catalysts through framework-based approaches has emerged as a transformative strategy for controlling reaction pathways and enhancing catalytic efficiency. This paper examines recent advances in the optimization of catalytic performance through engineered frameworks, including metal-organic frameworks (MOFs), zeolites, and related porous materials. By integrating computational methods with experimental validation, researchers have achieved unprecedented control overactive site architecture, reactant confinement, and elementary reaction steps. This work reviews …
Published in Emerging Trends in Chemical Engineering · Vol. 13, Issue 2, 2026 · pp. 88–99 Read article
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Correlating the Damage Behaviour of Polymer Composites with the Potential Energy of the Impactor
Abstract: Design of structures using composites requires comprehensive evaluation and characterization of mechanical properties in both undamaged and damaged state. Composite laminates undergo combinations of mechanical loading resulting into microdamage accumulation in the plies. The first mode of damage is usually intralaminar cracking with the crack plane transverse to the middle plane of the laminate, spanning the whole width of the laminate. The density of cracks in a ply depends on …
Published in Journal of Materials & Metallurgical Engineering · Vol. 4, Issue 2, 2014 · pp. 1–9 Read article
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AI-Enabled Green Supply Chains: A Cross-Case Empirical Analysis of Sustainable Sourcing Disclosures in Indian Manufacturing Firms
Abstract: The growing integration of artificial intelligence into supply chain systems has begun to reshape how firms approach environmental responsibility and sustainable sourcing. While discussions around green supply chains often remain conceptual, limited empirical attention has been paid to how companies actually disclose and operationalize AI-enabled sustainability practices. This study examines the extent to which artificial intelligence is embedded within green supply chain strategies by conducting a cross-case empirical analysis of …
Published in International Journal of Sustainability · Vol. 3, Issue 2, 2026 · pp. 28–37 Read article
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Evaluation of Mechanical Properties of Terminalia Chebula and Teak Wood Sawdust Reinforced Polymer Hybrid Composites
Abstract: This study examines the mechanical characteristics of polymer hybrid composites augmented with sawdust from teak wood and Terminalia chebula (Kadukkai). To examine their effects on mechanical performance, the composites were made with different percentages of biofiller (10%, 20%, 30%, 40%, and 50%) while keeping the proportions of the two reinforcements same. Tensile, flexural, and impact tests were performed to assess their strength properties. The findings showed that flexural strength varied …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 469–476 Read article
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Conceptual Design and Validation of Working of the Wing Morphing Mechanism Using Bellows
Abstract: The research on creating a smooth seamless wing which can literally morph its shape in mid-flight like birds has been in progress for many years. Such a wing will greatly enhance the flying capabilities of a normal aircraft. The wing can be morphed at different speeds to increase greater fuel efficiency. Our new design tends to create such a design without interfering with structural integrity of the wing. Keywords: Morphing …
Published in Journal of Aerospace Engineering & Technology · Vol. 4, Issue 3, 2014 · pp. 16–21 Read article
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Dielectric Constant/Dielectric Loss Measurements in Vectra-A, Liquid Crystal Copolyester
Abstract: The most significant advantage of studying the charge storage mechanism of Vectra-A, Liquid Crystal Copolyester through Dielectric Spectroscopy (DS) is their complex structure, which can be physically or chemically tailored for specific applications which make it suitable for charge storing devices like Micro-Electro-Mechanical Systems (MEMS). The variation of dielectric constant (ε') and dielectric loss (ε'') in the temperature interval (25 oC to 250 oC) for pristine samples of Vectra-A at …
Published in Research & Reviews : Journal of Physics · Vol. 7, Issue 2, 2018 · pp. 84–87 Read article
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Chitosan-Based Polymer Coatings for Antimicrobial Catheter Surfaces
Abstract: Catheter-associated infections (CAIs) remain a major clinical challenge. Microbial adhesion and subsequent biofilm formation on catheter surfaces significantly reduce the effectiveness of antimicrobial therapy, resulting in prolonged hospitalization, increased healthcare costs, and higher patient morbidity. Consequently, the development of antimicrobial polymer coatings has emerged as an effective strategy for minimizing catheter-associated infections while improving device performance. Among the various biomaterials investigated, chitosan has attracted considerable attention owing to its intrinsic …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
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Enhancing Mechanical and Thermal Performance of M30 Concrete with Carbon Fibre Reinforcement
Abstract: This study examines the influence of carbon fibre incorporation on the mechanical properties of M30-grade concrete. A series of experimental investigations were conducted to assess the effects of varying carbon fibre content on compressive, split tensile, and flexural strengths. The results indicate a significant enhancement in mechanical performance with the inclusion of carbon fibres, with the optimum fibre dosage identified as 0.75%. At this content, the concrete achieved a peak …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 252–260 Read article
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Synthesis and Ion Transport Studies of a New Potassium Ion-Conducting Nanocomposite Polymer Electrolyte
Abstract: The pursuit of safe, efficient, and sustainable energy storage solutions has intensified research on nanocomposite polymer electrolytes, especially for next-generation battery technologies. This work reports the synthesis and ion transport characteristics of potassium ion-conducting nanocomposite polymer electrolytes (NCPEs), emphasizing their structural, electrical, and electrochemical performance. To enhance ionic conductivity and mechanical strength, polymer matrices were reinforced with nanoscale ceramic fillers. A new potassium ion-conducting NCPEs: (1-x)[70PEO:30KCl] + x SiO₂ (where …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1496–1504 Read article
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Adaptive Mechanisms of Rumen Microbiota to High-Fiber Diets: Mystery of Fiber Degradation and Nutrient Utilization for Improved Host Performance
Abstract: The rumen microbiota plays a critical role in the digestion of plant fibers, enabling herbivores to derive essential nutrients from fibrous feed sources. The adaptation of these microbial communities to high-fiber diets is crucial for optimizing fiber degradation and nutrient utilization. This study explores the mechanisms by which rumen microbes adjust to handle the complex structure of fibrous materials such as cellulose, hemicellulose, and lignin. Through an integrated approach, we …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 15, Issue 1, 2026 · pp. 7–17 Read article
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Characterization of Mechanical and Viscoelastic Properties of Ceramic Nanoparticle-Reinforced Polymer Composites
Abstract: This study examines the mechanical and viscoelastic properties of polymer composites reinforced with ceramic nanoparticles, specifically focusing on enhancing the performance of the material through the incorporation of alumina nanoparticles. The composites were produced by embedding alumina nanoparticles into an epoxy matrix, and their properties were assessed using tensile, flexural, and dynamic mechanical analyses (DMA). The tensile tests showed a remarkable 40% increase in tensile strength and a 35% enhancement …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 71–82 Read article
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Optimizing Mechanical Properties of Polypropylene Fibre-Reinforced Coconut Shell Concrete
Abstract: This study investigates the impact of polypropylene (PP) fibre reinforcement on the mechanical properties of coconut shell (CS) concrete. The compressive strength of CS concrete is primarily governed by the strength of CS aggregates, with early-age failure attributed to poor bonding and later-stage failure influenced by aggregate strength. The incorporation of PP fibres significantly enhanced compressive, tensile, and flexural strength. At 28 days, compressive strength increased by 1.2–3.45% in CSF …
Published in Recent Trends in Civil Engineering & Technology · Vol. 15, Issue 2, 2025 · pp. 6–12 Read article
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Assessing ESL Learners in Narrative Writing with Gamification through Storium: A Quantitative Study
Abstract: The purpose of this study was to investigate the use of the gamification approach from Storium to improve the narrative writing abilities of students learning English as a Second Language (ESL). Learners generate an interest in both studying and playing. Also, the study investigates the evaluation and practicability of gamification for English as a Second Language (ESL) students. The present study employs quantitative research method to study the findings. They …
Published in Recent Trends in Social Studies · Vol. 1, Issue 1, 2024 · pp. 41–49 Read article
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Enhanced Bioavailability of Nutrients in Pelleted Feeds: Implications for Performance, Health, and Meat Quality of the Broiler Chicken
Abstract: The optimization of nutrient bioavailability in pelleted feeds is crucial for enhancing the performance, health, and meat quality of broiler chickens. This review explores the complex mechanisms by which pelleting improves nutrient availability, including physical changes in feed structure, thermal and chemical effects, and the reduction of anti-nutritional factors. It also highlights the significance of improved gut health and digestion, which contributes to enhanced nutrient absorption and utilization. The paper …
Published in Research and Reviews: A Journal of Health Professions · Vol. 15, Issue 1, 2025 · pp. 12–32 Read article
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Integrating Human-Centric Principles into Machine Design: Ergonomic and Safety Enhancements in Mechanical Systems
Abstract: The integration of human-centric design (HCD) principles into mechanical systems has become increasingly critical in contemporary machine design. As machines become more complex and operate within high-interaction environments, the need for design strategies that prioritize human safety, usability, and comfort has intensified. This review explores how ergonomic insights, safety standards, and user experience (UX) considerations influence the physical configuration, control mechanisms, and operational safety of mechanical systems across industrial, healthcare, …
Published in Trends in Machine design · Vol. 12, Issue 2, 2025 · pp. 33–37 Read article