Abstract
The advancement of modern materials has led to the emergence of Metal matrix composites (MMCs), of which Aluminium metal matrix composite has flexible use in recent trend. The reason to acclaim Aluminium metal matrix composite use in this paper is due to the fact that it has striking properties as compared to other metals. In the present work, aluminium alloy is mixed with silicon carbide (SiC) with 12% weight in order to fabricate the metal matrix composite.This paper aims to investigate the effect of process parameters such as pulse on time (Ton), pulse off time (Toff) and peak current (Ip) on metal removal rate (MRR), tool wear rate (TWR) and surface roughness (SR) during Electrical discharge machining (EDM) on Al-12%SiC metal matrix composite. Experimental work is followed by Central composite design (CCD) method with various combinations of process parameters. Response surface methodology (RSM) is adopted for mathematical modelling and correlating the process parameters with the responses. Analysis of variance (ANNOVA) is used to analyse significance of the derived prototype. This paper gives light upon the development of mathematical models with the use of EDM upon Al-12%SiCmetal matrix composite and the results were validated with analysis of variance (ANOVA).
Published Version
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