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267 articles for “pre-stressed materials”
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Deformation Behaviour of the Billet and Tooling Design on AA5083 through Equal Channel Angular Pressing With Effect of Back Pressure
Abstract: Equal channel angular pressing is an emerging method applied to subject materials to significant plastic strains while maintaining the original shape of the billet. Researchers have discovered that the level of strain attained through equal channel angular pressing is influenced by factors such as the angle of die, friction conditions, and the implementation of back pressure. These variables significantly impact the microstructure and the irregularity of strain within the billet …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 287–303 Read article
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Post-Treatment Methods in Additive Manufacturing: A Review of Mechanical, Thermal, Chemical, and Hybrid Approaches
Abstract: Additive manufacturing, particularly Fused Deposition Modeling (FDM), has become a cornerstone of rapid prototyping and functional part production due to its accessibility and material versatility. However, the inherent layer-by-layer nature of FDM introduces surface roughness, reduced mechanical strength, and anisotropic behavior, which limit its industrial applications. This literature review investigates the impact of chemical post-processing treatments such as solvent vapor smoothing, immersion, and hybrid chemical-thermal methods on the surface quality …
Published in Journal of Experimental & Applied Mechanics · Vol. 16, Issue 3, 2025 · pp. 25–34 Read article
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Digital Twin-Driven Optimization of Dynamic Covalent Polymer Networks under Real-Time IoT Monitoring
Abstract: The dynamic covalent polymer networks (DCPNs) has the highest allurement because of the reversibility of all of the chemicals and repetitive. The process of convalescence is delayed, the sense of source betrayal and acting relations is too strong. This transport to our material situation is an ever-refrigerated digital twin in this painting which was developed through repetition produced by constant synchronism sensors of the IoT that is constantly refined by …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 137–157 Read article
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Study of Electrically Conductive Polymer for Antistatic and Sensor Application
Abstract: Electrically conductive polymers (ECPs) are a unique category of smart materials that integrate the mechanical flexibility and ease of processing characteristic of conventional polymers with the electrical conductivity typically associated with metals or semiconductors. In recent years, they have attracted considerable interest due to their promising potential in advanced technological applications, especially in antistatic coatings and electronic sensing devices. The unique ability of these polymers to conduct electricity arises from …
Published in International Journal of Minerals · Vol. 3, Issue 1, 2026 · pp. 46–51 Read article
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Simulation and Experimental Analysis of Abuse Testing for Prediction of Life Cycle for Lithium Ion Battery Cell and Pack Level
Abstract: Lithium-ion batteries play a crucial role in contemporary technology, serving as the power source for everything from consumer gadgets to electric vehicles. However, their safety and longevity are significant influenced by the reperformance under extreme conditions, commonly referred to as ab use testing .This paper explores the simulation and analysis of ab use testing and life cycle prediction for lithium-ion batteries at both the cell and pack levels. Abuse testing …
Published in International Journal of Mechanical Dynamics and Systems Analysis · Vol. 2, Issue 2, 2024 · pp. 1–24 Read article
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Analysis of Cylinder Head of CI Engine
Abstract: The main aim of this work is to predict the look performance supported stress/strain and behavior of plate below numerous operational conditions. the results of varied engineering operational conditions like combustion gas most internal pressure, thermal stress behavior and fatigue stress of the plate are analyzed. In any operating engine, the piston and therefore the plate ar the foremost vulnerable members because of enhanced mechanical and thermal loadings. The mechanical …
Published in Journal of Petroleum Engineering & Technology · Vol. 8, Issue 2, 2018 · pp. 1–4 Read article
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Investigating the Surface Defects and Structural Integrity of 3D Printed Hydrogen Storage Cylinders in UAV Applications
Abstract: This research explores the processing and manufacturing challenges of 3D printed polymer composites for high-pressure hydrogen storage in UAVs. The study focuses on addressing surface integrity and structural robustness issues inherent in additive manufacturing. Finite Element Analysis (FEA) was conducted on four thermoplastic polymer ABS, PET-G, HDPE, and Nylon to assess their mechanical performance under 35 MPa of pressure. Results revealed that PET-G and ABS provided better stress distribution and …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 161–191 Read article
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Effect of Fiber Weight Fraction on the Mechanical Performance of Calotropis Gigantea Fiber-Reinforced Polyester Composites
Abstract: Natural fiber-reinforced composites have attracted more attention as environmentally friendly substitutes to synthetic materials since the move towards a sustainable approach to engineering materials has gained in popularity. This paper focuses on the potential use of Calotropis gigantea (CG) stem fibers as laminate reinforcement with bio-composites made through an unsaturated polyester resin (GP) system. Super strength fibers were pulled out, treated with alkaline to boost interfacial adhesion, and positioned in …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 339–349 Read article
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Fatigue Test on Cost Effective Aluminium Metal Matrix Composite Prepared from Discarded Toner Powder and Coconut shell Ash Particles
Abstract: AbstractAs there is an increasing demand for low cost reinforced composite materials in various industrial applications, in this work Aluminium Metal Matrix Composite was prepared by reinforcing cost effective reinforcements like discarded tonner powder particles and coconut shell ash. Aluminium 2024 was taken as the base matrix for preparing the composite as it is widely used in automobile industry. The samples taken for the investigation were prepared by two step …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 5, Issue 3, 2018 · pp. 15–20 Read article
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Structure–Property-Guided Polymer–Metal Hybrid Design of a Wall Plastering Spray Assembly
Abstract: Wall plastering spray equipment requires a combination of low mass, dimensional stability, abrasion resistance, chemical compatibility with cementitious mortar, and comfortable operator interaction. The original assembly was primarily developed as a metallic mechanical system; however, a polymer-focused material architecture can reduce non-load-bearing mass while retaining a safe metallic pressure path. This study, therefore, presents a structure–property-guided polymer–metal hybrid design in which the pressure housing and nozzle insert remain metallic, whereas …
Published in Journal of Polymer & Composites · Vol. 14, Issue 5, 2026 · pp. 197–211 Read article
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Review of Punravartak Jwara with Relationship to Recent Surge in Cardiac Death and COVID-19 Infection
Abstract: The unprecedented 12.5% surge of sudden cardiac death has been reported after COVID-19 outbreak. Central health agency has opined that the COVID-19 vaccine has no relationship with this surge; but the sudden cardiac death with shift i.e. the sudden cardiac death of young in their 40 even with cases of sudden cardiac death in the age group of 20–40. This paradigm change in the prevalence is of serious concern as …
Published in Research and Reviews : A Journal of Immunology · Vol. 14, Issue 1, 2024 · pp. 27–31 Read article
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Thermal Analysis of Piston
Abstract: Analysis of thermal changes of piston, in an automobile an engine is heart of automobile likely in engine that actual mean to piston, who having very important role in the engine, Piston is always subjected to various loads mainly subjected to thermal and mechanical stresses. The role of piston is very clear i.e. transmit or the guide the piston rod which is connected to crankshaft while transmitting piston has to …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 9, Issue 4, 2022 Read article
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Perception of Family Members Regarding Psychological Needs of Immobilized Patients
Abstract: AbstractIntroduction:Family members play a vital role in providing care to their patient. They are the only one who will be with the patient every time than physicians and nurses. Care giving is a difficult job and many care givers show psychological stress and declaim in physical and mental health.Methods and material:A quantitative descriptive survey study was undertaken to assess the perception of family members regarding psychological needs of immobilized patients …
Published in Journal of Nursing Science & Practice · Vol. 10, Issue 2, 2020 · pp. 21–26 Read article
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A Study of Scope and Schemes from Washers
Abstract: Article has been descriptive to nut specific issued formation of load on washer. Otherwise, to wash appraised accession of stress from bolt. Even distribution of load from threaded fastener has been to stress material in which they have been driven. Henceforth, primary purpose of washer has been to create load-in-seal-in-crack resisting apt. Applicability of washer has studied. Respect has been utility of one washer usage with one set of nut …
Published in Trends in Machine design · Vol. 8, Issue 3, 2021 · pp. 7–13 Read article
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VIBRATION ANALYSIS OF WOVEN HYBRID CARBON-KEVLAR COMPOSITE LAMINATES
Abstract: Composite materials have revolutionized the field of engineering and design, providing the ability to combine two or more materials with different properties to create new materials with enhanced characteristics. The intricate process of weaving together carbon fiber and Kevlar fiber to create a 3D composite fabric is not only fascinating but also results in a beautiful, intricate pattern. Hand weaving is an art that requires precision and skill, and when …
Published in Journal of Polymer & Composites · Vol. 12, Issue 9, 2024 · pp. 1–17 Read article
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The Review of Beetroot Composition and Benefits of Beetroot
Abstract: The genus Beta L. comprises the red beetroot, which is linked to the Betoideae branch of the goosefoot family (Amaranthaceae). Because the tuberous root of the vegetable beetroot (Beta vulgaris L.) contains a large amount of nutrients, including vitamins and minerals as well as substances with physiological activity, including betalain, inorganic nitrates, polyphenols, and folates, it is consumed in every country around the world. Like its relative turnip, the beet …
Published in Research and Reviews : A Journal of Ayurvedic Science, Yoga and Naturopathy · Vol. 12, Issue 3, 2025 · pp. 35–42 Read article
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Design Analysis of PALF Natural Fiber Composite Laminate under Tensile Loading Condition using Simulation Approach
Abstract: Plant-based fibre reinforced materials are increasingly being employed for a variety of structural and non-structural purposes. Plant and animal-based fibres have different characteristics depending on a variety of circumstances. Mechanical qualities are primarily determined by parameters such as matrix, fillers, fibre content, fibre treatment, and fabrication techniques. The present work aim in analyzing the PALF natural fiber using simulation approach. In the process laminates are prepared as per ASTM standards …
Published in International Journal of Fracture Mechanics and Damage Science · Vol. 1, Issue 2, 2023 · pp. 23–29 Read article
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Development of a Durable Superhydrophobic EP/PDMS Coating Reinforced with Micro-CaCO₃ and Nano-ZnO for Enhanced Corrosion Protection and Multifunctional Performance on Carbon Steel
Abstract: Balancing exceptional multifunctional performance with mechanical robustness in micro-nano composite films remains a significant challenge for practical applications. In this work, a superhydrophobic coating reinforced with micro-CaCO₃ and nano-ZnO particles was fabricated through a versatile single-step brushing method. The optimized EP/PDMS@micro-CaCO₃/nano-ZnO coating achieved a water contact angle (WCA) of 173.54° ± 2.53° and a sliding angle (SA) of 1.50° ± 1.12°. Owing to its carefully engineered micro-nano hierarchical structure, the …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 216–238 Read article
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Effect of Mindfulness-Based Yoga Practices on Anxiety and Attention Level Among High School Children in a Selected High School, Bhubaneswar, Odisha
Abstract: Background: In a world filled with endless pressures and expectation, school-aged children often find themselves navigating through a labyrinth of stressors and anxiety. from the moment they wake up their tiny minds are bombarded with worries about exams, social interaction.it is in these moments of chose that the ancient practice of yoga emerges as a gentle beacon of hope, offering solace and tranquility to these young souls. The study main …
Published in International Journal of Evidence Based Nursing And Practices · Vol. 1, Issue 2, 2023 · pp. 1–8 Read article
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Thermal Effects in High-Power Laser Systems: Modeling and Mitigation
Abstract: High-power laser systems are increasingly employed in industrial manufacturing, defense, medical procedures, and scientific research due to their ability to deliver high energy density with excellent spatial coherence. However, the performance and reliability of these systems are significantly influenced by thermal effects arising from optical absorption, non-radiative recombination, and inefficient heat dissipation within laser gain media and optical components. These thermal phenomena lead to adverse effects such as thermal lensing, …
Published in International Journal of Manufacturing and Production Engineering · Vol. 3, Issue 2, 2025 · pp. 9–13 Read article