Abstract
Silicon metal matrix composites are extensively used in many industries such as automobile, aerospace, marine and mineral processing industries due to their enhanced wear properties. This experimental investigation deals with tribological behaviour and electric discharge drilling (EDD) of the silicon metal matrix. The duplex silicon metal matrix is synthesized by stir casting process and characterization was studied through a scanning electron microscope (SEM) and energy dispersive analysis of X-rays (EDAX), respectively. Mechanical properties such as hardness, tensile strength and impact strength were estimated after adding the weight percentage of titanium carbide. Drilling holes were formed on the surface of the metal matrix using electric discharge machining (EDM). Wear characteristics are carried out by pin on disc apparatus. Applied load, sliding velocity and weight percentage of reinforcement were considered as the input parameters. Wear rate is the response parameter for this experiment. After wear test, morphology of the worn out surfaces was analysed by SEM. It was clearly observed that mechanical and wear resistance were improved by increasing the weight percentage of reinforcement material. The influential parameter and its effect have been found out by analysis of variance (ANOVA).
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