Abstract
In the present investigation, the two body abrasive wear behavior of Al-6082 alloy, Al 6082–10% SiC (Al-SiC) composites & Al 6082–5%SiC-5%Gr (Al-SiC-Gr) hybrid composites was studied at load of 5–15N, 75m sliding distance and abrasive grit size of 100–200um by using pin-on-disc equipment. The composites were synthesized by stir casting technique, a liquid metallurgy route. It was observed that load and type of emery paper used would have profound influence on the abrasive wear characteristics in the present set of experiments. The results show that graphitic composites yielded better wear resistance compared to alloy and SiC alone reinforced composites. At higher load and abrasive grit size, 16.4% and 11.6% improvement was observed for Al-SiC-Gr and Al-SiC composites respectively when compared to unreinforced alloy. Worn surface analysis of tested samples and tested grit papers were observed by using scanning electron microscope (SEM).
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