Abstract
Nanometal matrix composites, fabricated through electric stir casting technique, provide significant benefits compared to some other methods. Different weight percentages of nano-SiC powder (1.0, 2.0, 3.0 and 4.0)-reinforced aluminium 7075 using stir casting method. The performance and characterization were determined through scanning electron microscope (SEM) and EDAX. The mechanical characteristics like tensile, microhardness and wear behaviour were examined. The experimental wear tests were carried out via pin-on-disc apparatus in changing the applied load to analyse the tribological behaviour of the AA7075/nano-SiC composite. The wear properties were verified through high magnification SEM. In the present research, it was demonstrated that the incorporation of nano-silicon carbide (SIC) powder strengthens the wear resistance of nano-aluminium composites. The outcomes revealed that the mechanical characteristics, like hardness, tensile strength and wear resistance, were enhanced by the weight percentage of nano-SiC powder present in the specimens compared with nonreinforced aluminium alloy.
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