Abstract
Influence of addition of copper (Cu) on the dry sliding wear behavior of A356 alloy has been reported in the paper. Effect of load, composition and sliding distances on A356 alloy before and after addition of Cu has been studied. Wear test surfaces were examined by SEM/EDX. It was found that wear resistance of A356 alloy decreases with increase in applied normal pressures and sliding distances. However, wear resistance of A356 alloy increased with Cu addition. Increase in wear resistance is mainly because of increase in strength/hardness of the alloy after Cu addition. SEM studies have shown that the layer of oxide material links both the surfaces there by improves sliding wear performance.
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