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89 articles for “bending”
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Gesture Vocalizer Using Arduino
Abstract: Science and technology have been an indispensable part of our lives, driving innovation and transforming the way we communicate. Communication barriers between the hearing-impaired and the hearing population pose significant challenges in daily interactions. Sign language, a primary mode of communication for the deaf and mute communities, is not universally understood by the general public. This research work presents a novel system for real-time sign language to speech conversion, aiming …
Published in Journal of Communication Engineering & Systems · Vol. 15, Issue 3, 2025 · pp. 14–25 Read article
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Study of Evaluating the Feasibility of Banana Stem Fibers and Sugarcane Husk as a Sustainable Additive in Pervious Concrete for Urban Pavements
Abstract: This study explores the integration of eco-friendly materials: banana stem fibers and sugarcane husk, into pervious concrete to enhance its mechanical properties while maintaining high permeability. The research addresses environmental concerns related to agricultural waste disposal and the resource-intensive nature of traditional construction materials. Banana stem fibers, known for their tensile strength and durability, and sugarcane husk, rich in lignin and cellulose, were selected as reinforcements. The fibers were extracted, …
Published in Trends in Transport Engineering and Applications · Vol. 12, Issue 2, 2025 · pp. 33–39 Read article
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Electroactive Graphene–Polymer Nanocomposites for Self-Sustaining and Multifunctional Flexible Devices
Abstract: Graphene–reinforced polymer–composites were developed and systematically investigated to explore their multifunctionality in flexible electronic applications. The study specifically aims to correlate graphene-induced structure–property–function relationships with electroactive performance and self-sustaining behaviour in flexible devices. The hybridization of electroactive polymers—polyaniline (PANI), poly(3,4-ethylenedioxythiophene): polystyrene sulphonate (PEDOT:PSS), and polyvinylidene fluoride (PVDF)—with graphene nanoplatelets enabled simultaneous enhancement of electroactivity, energy-harvesting, and sensing functionalities. Morphological studies confirmed uniform graphene dispersion at 5 wt.% loading, forming continuous …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 260–271 Read article
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Analysis of Elevated Liquid Storage Tank on Sloping Ground with Variable Heights
Abstract: Past earthquake events have shown that even well-designed elevated water tanks can suffer severe damage or collapse. Much of this damage occurs due to a limited understanding of the behavior and appropriate selection of supporting systems during the design process. With a large mass concentrated at the top of slender supports, these tanks are especially vulnerable to horizontal seismic forces. Therefore, it is crucial to evaluate the strength and performance …
Published in Journal of Geotechnical Engineering · Vol. 12, Issue 3, 2025 · pp. 16–31 Read article
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Experimental Study on Mechanical and Tribological Characterization of Arecanut Shell Fibre Reinforced Composites with MWCNT Nanofillers
Abstract: Natural fiber-reinforced composites (NFRCs) are emerging as sustainable alternatives to conventional synthetic composites due to their eco-friendliness, cost-effectiveness, and favorable mechanical properties. This study evaluates the mechanical and tribological performance of Areca Nutshell Fiber (ANSF)-reinforced epoxy composites with multi-walled carbon nanotubes (MWCNTs) as nanofillers. The composites were fabricated using the vacuum bag molding technique. Tensile tests assessed strength, modulus, and elongation, while flexural tests evaluated bending resistance. Pin-on-disc tests examined …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 47–64 Read article
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Experimental and Numerical Assessment of Flexural Shear Behavior of RC Beams Enhanced using Hybrid CFRP–GFRP U-Wrap System
Abstract: This study examines the Reinforced Concrete beams strengthened in Flexural-shear using a hybrid Fibre Reinforced Polymer (FRP) system that combines carbon fibre reinforced polymer (CFRP) and glass fibre reinforced polymer (GFRP) in a U-wrap configuration. Six beams totally were made and the results were tested under 4 point bending moment using LVDT, in which three beams were of control beams without strengthening and another three externally wrapped using hybrid CFRP-GFRP …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 328–338 Read article
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A Review on Properties of Natural Fiber Reinforced Composite Materials for Automotive Application
Abstract: The use of composite polymer matrix materials is growing rapidly in automotive, marine and aerospace applications due to their light weight and recyclable properties. In the automotive industry, the use of polymer matrix for interior panels, trims, exterior panels and fender assemblies is rapidly increasing in the 21st century. It also stimulates the use of polymer compounds reinforced by natural fibers. Natural fiber polymer composites are a growing industry due …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 915–922 Read article
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Evaluating Fiber Volume Fraction and Defects in Fiber Reinforced Polymer Composites for T Joint applications
Abstract: Fiber-reinforced polymer (FRP) composites have been integral to industries such as aviation, aerospace, shipbuilding, and automotive due to their strength, durability, lightweight, and corrosion resistance. This study examines the production and microstructural analysis of polymer composites using FRP and manual lamination methods. While manual lamination is quick and economical, it relies on operator skill, resulting in low mechanical properties. Microstructure analysis via 3D optical and scanning electron microscopes revealed that …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1222–1235 Read article
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Tailoring Toughness of Pineapple Leaf Fiber-Reinforced Epoxy Composites Using Halloysite Nanotubes
Abstract: This comprehensive study investigates the effects of halloysite nanotubes (HNTs) on the impact strength and fracture toughness of pineapple leaf fabric-reinforced epoxy (PALF/Ep) composites with an emphasis on sustainable material development. ASTM D256 and ASTM D5045 standards were followed in the fabrication of the composites. HNT weight percentages were systematically changed from 0 to 3wt% through using solution mixing and manual lay-up techniques, and vacuum bagging was used to obtain …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 261–272 Read article
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Data-Driven Energy Forecasting for Smart Homes: Ensemble Learning from IoT Meters and Relevance for Polymer-Composite Based Smart Infrastructure
Abstract: Reliable estimation of household electricity demand is relevant in creating efficiency in energy usage, optimization of the loads, and intelligent demand-side management in intelligent grid systems. This paper introduces a varied machine learning model that approaches residential electric consumption prediction using an assortment of ensemble regression boosts, including Linear Regression, Lasso Regression, Decision Tree Regressor, Random Forest, and Gradient Boosting, to predict residential electricity consumption environments on a time-series arrested …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 29–64 Read article
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Investigation on The Effect of Carbon Fiber Reinforcement on The Mechanical and Physical Properties of FDM 3d Printed PLA
Abstract: In this work, the effects of annealing on the physical properties and mechanical behavior of short-carbon-fiber-reinforced polylactic acid (CF/PLA) composites made using fused deposition modeling (FDM) are systematically investigated. Pristine PLA and CF/PLA composites with 10% fibers have been made and evaluated in accordance with ASTM standards. Tensile, bending, and hardness tests were used to evaluate the performance of as-received and annealed composites. The tensile and hardness properties of PLA …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 284–298 Read article
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Multi-Layer Aluminum–Polymer Hybrid Structures for Improved Automotive Impact Performance
Abstract: Layered metal–polymer hybrid laminates have emerged as promising candidates for lightweight automotive structures requiring high impact resistance and structural reliability. In this study, aluminum/glass–epoxy hybrid laminates were fabricated using a symmetric stacking sequence through hot compression molding to evaluate their mechanical and energy absorption performance. Density analysis revealed an average measured density of 2.34 g/cm³, closely matching the theoretical value of 2.36 g/cm³, with a deviation of approximately 1.02%, indicating …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 42–53 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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Complex Space-Time and the Structure of Relativistic Quantum Theory
Abstract: Relativistic quantum mechanics was developed to reconcile the principles of quantum mechanics with Einstein’s theory of relativity. Despite its success in describing high-energy particles, the theory continues to face unresolved conceptual and mathematical difficulties, particularly in relation to the nature of time, causality, and relativistic consistency. In recent years, the idea of extending space-time into the complex domain has emerged as a useful and potentially meaningful approach to these problems. …
Published in Recent Trends in Mathematics · Vol. 3, Issue 1, 2026 · pp. 22–27 Read article
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Implement Explainable Machine Learning to Improve Conductivity in Polymer-CNT Nanocomposites: Supporting Adaptive, Flexible, and Long-Lasting IoT Wrap-Around Electronics Applications
Abstract: The rapid growth of Internet of Things (IoT) technologies requires electronic components that are adaptable, lightweight, and durable, and that can continue to function well in diverse contexts and circumstances. Polymer–carbon nanotube (CNT) nanocomposites have become interesting choices for these kinds of uses because they are more flexible, conduct electricity better, and can be made to fit specific needs. However, improving conductivity in these heterogeneous systems remains a major challenge …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 238–254 Read article
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Basalt Fiber, Palm Fiber, and Seashell Powder Reinforced Hybrid Epoxy Composites: A Mechanical Characterization
Abstract: This study investigates epoxy-based composites reinforced with basalt fiber, palm fiber, and seashell powder fabricated via hand lay-up. Mechanical characterization included tensile, flexural, hardness, and impact testing, supported by ANOVA and TOPSIS analyses. The Basalt-Epoxy composite has the highest mechanical strength among the systems under investigation, with a tensile strength of 275 N/mm² and a yield stress of around 215 N/mm². Compared to Palm-Epoxy composite, which has the lowest mechanical …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1565–1575 Read article
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Design and Development of Fiber Sandwiched Composite Materials for the Improvement of Mechanical Properties
Abstract: This research paper presents the development and mechanical characterization of fiber sandwiched composite materials (FSCM) to address the increasing demand for high-strength, lightweight, and corrosion-resistant materials in advanced engineering sectors such as automotive, aerospace, and transportation industries. Traditional homogeneous materials such as metals, ceramics, and polymers often fail to provide a balanced combination of properties like high tensile strength, low density, toughness, abrasion resistance, and impact resistance needed for modern …
Published in Journal of Experimental & Applied Mechanics · Vol. 17, Issue 1, 2026 · pp. 22–37 Read article
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Experimental and CFD Investigation of an Epoxy-Based Thermally Conductive Polymer Composite U-Tube Shell-and-Tube Heat Exchanger: A Lightweight Alternative to Conventional Metal Systems
Abstract: Shell-and-tube heat exchangers continue to play a critical role in industrial thermal systems; however, their conventional design based on fully metallic materials often leads to challenges related to weight, corrosion, and cost. In recent years, thermally conductive polymer composites have emerged as promising alternatives, offering improved corrosion resistance and design flexibility. In this study, the thermo-hydraulic performance of a U-tube shell-and-tube heat exchanger is investigated by partially replacing conventional metallic …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 685–700 Read article
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Investigating the Mechanical Properties and Microstructure of AA 7074 Composites with Silicon Nitride Reinforcement
Abstract: This study investigates the mechanical and microstructural properties of AA 7074 aluminium alloy reinforced with 1%, 3%, and 5% by weight of silicon nitride (Si₃N₄), fabricated via the stir casting method, intended for structural aerospace applications. A thorough series of mechanical tests—comprising tensile, compression, hardness, impact, flexural, and wear tests—was performed to assess the influence of differing reinforcing content. The composite containing 5 wt% Si₃N₄ (SN5) demonstrated the most pronounced …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 268–281 Read article
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Sustainable Polymer-Based Cementitious Composites with Granite Dust as Fine Aggregate: Strength and Durability Evaluation
Abstract: This study investigates the potential for creating a new kind of cementitious composites that is obtained through the different compositions of rocks and chemicals in which granite dust that is helpful in resistance of chloride penetration and heat of hydration as a substitution with sand in composite. The primary goal of this study focuses on the effect of the stone waste like polymer matrix on evidence bases of researches for …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 325–339 Read article