Natural fiber-based composites have gained significant attention due to their biodegradable nature, cost-effectiveness, and potential as sustainable alternatives to synthetic materials. These composites are widely applicable in industries such as automotive, aerospace, construction, recreation, and sports, owing to their favorable mechanical properties and simple, economical processing. This study focuses on developing and evaluating the tensile strength of a hybrid natural composite reinforced with banana and date fibers in an epoxy resin matrix. Prior research highlights the excellent mechanical properties of banana and date fibers individually. The experimental design utilized four different combinations, including the base matrix, single date fiber, and hybrid fiber ratios. The fabrication process was carried out using the hand layup technique. Tensile tests were performed on all the developed samples to evaluate their strength and Young's modulus.. The findings reveal that composites with date fiber reinforcement exhibit the highest Young's modulus compared to other material compositions. Moreover, using a single layer of banana fiber yielded better tensile results than double layers. The study concludes that combining date and banana fibers in a hybrid configuration enhances tensile properties compared to single-fiber composites, demonstrating the potential for tailoring this combination to achieve optimized tensile strength.

Hydrogen plays a vital role as an energy carrier in the global effort to combat climate change, with significant applications in sectors such as transportation and ammonia production. However, traditional hydrogen production methods are heavily carbon-intensive, with over 98% of hydrogen derived from fossil fuels. This primarily occurs through steam methane reforming (76%) and coal gasification (22%). While steam methane reforming is cost-effective, it generates approximately 9 kg of CO₂ per kg of hydrogen. Consequently, advancing green hydrogen production methods has become a critical area of research. This study explores and compares various green hydrogen production techniques powered by renewable energy sources, including solar, wind, hydro, biomass, and hybrid systems. Production methods such as electrolysis, thermal, chemical, photonic, and biological processes are evaluated using a Pugh matrix, accounting for factors including efficiency, hydrogen yield, resource availability, operating conditions, cost, and greenhouse gas emissions. The findings indicate that alkaline electrolysis currently represents the most viable option for green hydrogen production. These findings affirm alkaline electrolysis as the most appropriate near-term technology for large-scale green hydrogen implementation in Oman and the GCC, while also advocating for the ongoing development of PEM and emerging pathways to ensure long-term diversification. Ultimately, this study provides a clear and practical decision-support framework for the strategic selection of hydrogen technologies in renewable-rich arid regions.

To evaluate the effect of low velocity impact on composite plate using nonlinear explicit finite element software LS-DYNA software. The theoretical basis of the present finite element model is verified by analyzing impact-loaded laminated composite plate previously been studied through analytical. The study of hybrid composite plates are carried were the SMA (shape memory alloy) are used in between the plies to increase the resistance. Also parametric studies were done to find the importance of the Mesh. The present numerical approach is successfully demonstrated through comparisons between experimentally-measured and computed force-time histories for impact of carbon fiber-reinforce plastic (CFRP) plates. Parametric studies are also conducted by varying Mesh results obtained are correlated with the results in the published literature.

Lightweight composite materials have gained extensive importance over other categories of materials and alloys in industrial and structural applications due to their tailorability to design and engineering for specific requirements. This article addresses the mechanical and wear behaviour study of aluminium 6063 alloy reinforced with different weight fractions of silicon carbide for 'as-cast' and 'hot extruded' conditions. The composite systems were developed using the stir casting technique, and a set of samples was further subjected to hot extrusion at 500 degrees Celsius with an extrusion ratio of 9.0. Both cast and hot extruded samples were investigated for mechanical and adhesive wear studies. The addition of reinforcement improved the mechanical properties and wear resistance, and a significant improvement in mechanical and wear resistance was observed when the samples were subjected to secondary processing through hot extrusion.

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