Abstract
This study explores hybrid aluminum matrix composites through powder metallurgy, incorporating silicon carbide, iron, and molybdenum disulfide at varying weight percentages (5%, 10%, and 15%). Defect-free hybrid composites with a uniform distribution of reinforcing particles were fabricated and characterized for microstructure, hardness, density, and wear. The EDX spectra show peaks consistent with Al, Fe, SiC, and MoS2, confirming their presence in developed hybrid composites. The pure aluminum sample presents a relative density higher than that of hybrid composites, while its hardness is lower (25%–41%) than that of hybrid composites. The wear rate decreased with the amount of reinforcing particles. The presence of hard silicon carbide, iron, particles, and lubrication by molybdenum disulfide effectively enhanced the wear behavior of hybrid composites.
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