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148 articles for “MPa”
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Synergistic Effects of Hybridized Nano-Silica and Hemp Fiber Reinforcement on Bio-Epoxy Composites
Abstract: Natural fiber-reinforced bio-epoxy composites have become promising sustainable alternatives to conventional synthetic-fiber petroleum-based materials, but are often limited by low fiber-matrix interfacial bonding, low thermal stability, and high moisture absorption which limit their application in structural applications. These issues are discussed in this work, by carrying out a systematic investigation of the synergistic effects of the hybridization of nano-silica particles with alkali-treated hemp fibers in a bio-epoxy matrix the composites …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 214–228 Read article
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Generative AI-Based Inverse Design of Sustainable Biodegradable Polymers with Target Mechanical and Thermal Properties
Abstract: The escalating global plastic pollution crisis has intensified the urgent need for sustainable biodegradable polymer alternatives that can match or exceed the performance of conventional petroleum-based plastics while minimizing environmental impact. However, traditional polymer discovery approaches are severely constrained by high experimental costs, protracted development cycles spanning years, and fundamental inability to simultaneously optimize multiple conflicting material properties such as mechanical strength, thermal stability, and degradation kinetics. This study presents …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 Read article
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Tensile and Flexural Strength Quantification of Basalt-Reinforced Epoxy Composites Fabricated via Vacuum-Assisted Resin Transfer Molding at Varied Fiber Volume Fractions Description
Abstract: Fiber-reinforced polymer composites have been identified to possess excellent properties that render them very suitable in the aerospace, automotive, marine and renewable energy sectors. However, for the industrially scalable vacuum-assisted resin transfer molding (VARTM) process, optimization of mechanical properties of basalt epoxy composites must be achieved systematically, which means that the effect of the fibre volume fraction(VF) on the mechanical properties of the composite needs to be quantified for different …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
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Physico-Mechanical Behavior of Euphorbia Abysinica and Wood Chips Composite
Abstract: In this study, we prepared composite test specimens from Eucalyptus chip particles of sizes 0.5 mm, 1 mm, and 2 mm combined with Euphorbia-Abyssinica fluid at an 80:20 mass ratio. We produced the particleboard under a compression load of 150 KN and kept it in the compression machine for thirty minutes inside the mold. After removing it from the machine, we secured it with C-clamps for twenty-four hours. We covered …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
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Effect of Surface Modification on Properties of Kevlar/Epoxy Polymer Composites
Abstract: In this study, a high-performance Kevlar/epoxy polymer composite was prepared using a hand lay-up technique. The Kevlar fiber was treated with calcium chloride/ethanol solution (CaCl2/EtOH) to enhance the interfacial interaction between the fiber and the epoxy matrix. The optimization of fiber surface treatment and fiber content for the best tensile strength (TS) of Kevlar/epoxy polymer composite was achieved using Box-Behnken design (BBD) through response surface methodology (RSM). Three parameters: CaCl2 …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 35–46 Read article
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Properties of Biodegradable Films based on Pectin, Mango Kernel Flour and Unrefined Palm Oil
Abstract: This study allowed to develop biodegradable films based on pectin, incorporating mango kernel flour and unrefined palm oil, whose physical and mechanical properties were investigated. Results highlighted the feasibility of developing of these composite films. The film properties showed variability in color, physical, barrier and mechanical properties, depending to concentration of ingredients. Biodegradable films obtained are homogeneous, non-cracked, uniform, and color is mainly orange. Opacity of films increased with the …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 52–62 Read article
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Experimental Study and Comparative Analysis of Fly Ash, GGBS, and Silica Fume in Nominal Concrete and Ternary Blended M25 Concrete
Abstract: This study examines the effects of partially substituting 30% of cement by weight with ternary supplemental cementitious materials (TSCMs) with mix proportions of M1, M2, and M3. These materials include fly ash (10%,15%,15% in M1, M2, and M3), ground granulated blast furnace slag (GGBS) (10%,8%,10% in M1, M2, and M3), and silica fume SF (15%,10%,5% in M1, M2, and M3) on the mechanical and durability properties of M25 grade concrete …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 43–50 Read article
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Studies on the Influence of Squeezed Stir Casting Parameters on the Strengthening Properties of AZ91Mg Alloy
Abstract: In this research, optimum squeeze stir casting parameters of AZ91 Mg alloy has been investigated by considering its strengthening properties. Melting temperature, squeezed pressure, and molding temperature is the key parameters that are considered for this investigation. The result of this research reveals that 750°C melting temperature, 250 MPa squeezed pressure and 250°C molding temperature represent a significant combination with its strengthening properties in AZ91Mg alloy. This combination is confirmed …
Published in Journal of Polymer & Composites Read article
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Characterization of Al6082 and Magnesium AZ3lB Composite Produced by The Friction Stir Additive Manufacturing
Abstract: In this modern era, lighter and stronger materials are needed. This is especially true for materials needed in aerospace, robotics, light aircraft, defence, and transportation. When comparison to backbone products in order composite goods have a higher durability & stiffness-to-weight proportion .Most of the newer fabricating methods, called friction stir additive manufacturing (FSAM), uses solid-state drives friction stirring technology to produce bilayer structures by sequentially fusing discrete strata. In this …
Published in International Journal of Manufacturing and Production Engineering · Vol. 1, Issue 1, 2023 · pp. 1–14 Read article
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Optimal Design and Fabrication of drone for agricultural Purpose
Abstract: Due to their reliable technology and simple operation, drones have found widespread use in many fields. This study aims to plan, investigate, and build a quadcopter for use in farming. This drone is implanted for pesticide spray in the farms. An innovative quadcopter design that is easily removable and transportable is used in this study. The entire structure is developed in Iron CAD, and the viability of the new design …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 81–92 Read article
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Impact of Tool rotating speeds on the Mechanical characteristics of dissimilar friction stir-welded AZ80A-Mg – AA6061-Al joints
Abstract: In this investigation, separate AA6061-Al and AZ80A-Mg alloy plates were effectively joined through stir welding with friction. We looked closely at the weld joints' characteristics, especially their mechanical aspects. In the experiment, here were multiple tool rotating rates (rpm) of 800, 1000, 1200, 1400, and 1600 used. A cylindrical pin-equipped tool featuring a tapered profile was utilized, inserted into the AA6061 alloy plate is offset by 0.5 mm, while maintaining …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 161–168 Read article
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Investigation on the mechanical characteristics and productivity of GGBS based geopolymer mortars
Abstract: It has been known for decades that geopolymer will significantly replace cement's function in construction industry. Geopolymer has low creep and shrinkage and a peak compressive strength. That is as per a recent study, geopolymer mortar is made by Fly ash and GGBS. The composition includes (100-60%) GGBS with a 10% substitution of fly ash. Alkali activators used in the research are sodium hydroxide (NaOH) and sodium silicate (Na2SiO3). In …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 253–264 Read article
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Parametric optimization of COF of fabricated AA6082/Si3N4/C/Al2O3 composite
Abstract: In the present experimental investigation AA6082/Si3N4/C/Al2O3 composite was successfully fabri-cated using stir casting technique combined with electromagnetic stirrer for wear resistance applica-tions. The produced AA6082/Si3N4/C/Al2O3 composite exhibits improved tribological and me-chanical and properties, according to the experimental results. The generated composite has a micro-hardness range of 60 to 110 HV and an average UTS of 150 to 200 MPa. The tribological perfor-mance was evaluated using a pin on disc tribometer. …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 144–152 Read article
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Experimental Analysis of Residual Stress, Micro-Hardness and Corrosion Behavior of HVOF Sprayed Composite Coating
Abstract: The utilisation of non-traditional composite coating materials, enhanced lubrication, and surface geometry optimisation have all contributed to the tribological performance. Piston rings are among the most crucial engine parts since friction causes between 40 and 45 percent of all energy loss. Fuel efficiency, power loss, and exhaust pollutants are all strongly impacted by the piston assembly's tribological performance. The present study's primary goal was to develop composite coating by using …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 77–82 Read article
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Investigation on Tensile Properties of Redwood PLA Using FDM Process
Abstract: Fused Deposition Modeling (FDM) is an additive manufacturing technique employed to construct comprehensive 3-dimensional models using a variety of materials, catering to diverse applications. This study explores the fabrication of REDWOOD polylactic acid using (FDM) additive manufacturing processes. REDWOOD PLA, recognized for its biodegradability and renewable sourcing, holds promise as an eco-friendly material for 3D printing applications. The research investigates the tensile properties of REDWOOD polylactic acid (PLA) fabricated through …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 668–673 Read article
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Optimization of Polymer-Enhanced Sustainable Concrete: A Composite Approach with Bentonite and Crumb Rubber Aggregates
Abstract: The disposal of rubber tyres has become challenging; on the other hand, the utilization of rubber tyres is also increasing daily in society. The successful use of crumb rubber as an alternative aggregate and bentonite as a partial cement replacement in concrete composites has been well established through prior research. These materials have individually demonstrated their potential to enhance sustainability, improve concrete properties, and reduce environmental impact, paving the way …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 701–715 Read article
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Experimental and Numerical Studies on Radial Tensile Strength of Composite Rotor
Abstract: This paper describes the experimental and numerical studies on the radial tensile strength (RTS) of composite rotor. Carbon/epoxy composite rotors were fabricated using a filament winding process and their radial tensile strength was determined by diametric tensile testing of composite C-rings. The radial tensile strength of the composite rotor was measured as ~ 22 MPa and the failure was found to occur circumferentially symmetric about the horizontal plane of the …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 985–996 Read article
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Assembly Process and Performance of A Micro Steam Power Plant
Abstract: Energy is an indispensable component of modern society, driving everything from industrial processes to household appliances, among the various sources of energy, steam power, a form of heat energy has played a pivotal role in the development of human civilization, paving the way for the Industrial Revolution and subsequent technological advancements. This study focused on the assembly and performance evaluation of a 5 kW steam power plant. The components of …
Published in International Journal of Industrial and Product Design Engineering · Vol. 2, Issue 2, 2024 · pp. 38–48 Read article
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Enhancing Mechanical Properties by Parameter Optimization in Fiber and Particle Reinforced Composites
Abstract: This research focuses on optimizing the mechanical and thermal properties of hybrid fiber and particle-reinforced composites through systematic parameter optimization using the Taguchi method and Grey Relational Analysis (GRA). Composites were fabricated using varying fiber volume fractions (20%, 30%, and 40%), particle sizes (20 μm, 60 μm, and 100 μm), and curing temperatures (60°C, 80°C, and 100°C) in a 3-factor, 3-level experimental design. Key properties such as tensile strength, impact …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 75–85 Read article
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Affect of Finite Element Modelling on Static Behavior of Underwater Shell
Abstract: The objective of the present study is to compare and contrast different numerical models based on their mesh quality and material properties in predicting the response of an underwater shell under an external pressure of 1 MPa. Two different mesh qualities with the same element size are developed for solid geometries without and with slicing the solids at geometric discontinuities to enhance the element quality. From the static response of …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 154–163 Read article