Journal of Polymer & Composites Original Research Special issue
Wear Behavior and Mechanical Characterization of Pure Aluminum Reinforced with RHA by Using Powder Metallurgy Method
Abstract
In recent years, composites made from aluminum and its alloys have gained significant attention due to their optimal blend of low weight, high strength, impressive toughness, enhanced thermal stability, straightforward casting processes, superior corrosion resistance, and availability compared to unreinforced aluminum and its alloys. These aluminum-based composites are widely utilized in producing components for industries such as automotive, aerospace, marine, and nuclear. Rice husk ash (RHA) is a fine, powdery substance primarily composed of silica, with minor amounts of minerals like potassium, calcium, and magnesium. The silica content in RHA typically falls between 80% and 95%. RHA is valued for its high silica content, porous structure, and low thermal conductivity. Generally, aluminum exhibits better wear resistance than materials like steel. This study aims to explore the mechanical properties and wear characteristics of pure aluminum reinforced with rice husk ash at varying volume fractions of 3%, 6%, and 9%, using the powder metallurgy method. Because of the synergistic interplay between RHA's reinforcing qualities and aluminum's intrinsic properties, the resultant composites exhibit noticeably increased tensile strength and wear resistance. With these enhancements, aluminum-RHA composites are positioned as a high-performance and environmentally friendly substitute for traditional materials in automotive chassis applications, providing increased robustness and effectiveness in challenging industrial settings.
Keywords
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