Abstract
Aluminium alloy metal matrix composites (MMCs) have evoked keen interest in recent times for potential applications in aerospace and automotive industries owing to their superior strength to weight ratio and high temperature strength. In the present work, aluminium alloy–silicon carbide composite is developed using a new combination of vortex method and pressure die casting technique. The dry sliding wear properties on aluminium alloy–silicon carbide MMC are carried out using a pin-on-disc wear testing apparatus at room temperature. The effects of normal load and sliding speed on tribological properties of the MMC pin on sliding with En 36 steel disc are evaluated. The wear rate increases with normal load and sliding speed. The specific wear rate marginally decreases with normal load. The coefficient of friction decreases with normal load and sliding speed. The wear and friction coefficient of the aluminium alloy–silicon carbide MMC is lower than that of the plain aluminium alloy.
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