Investigation on the response parameters in electric discharge machining of developed aluminium metal matrix composites

Abstract

The present research work shows the influence on process parameters of electric discharge machining in newly developed aluminium composites. The Molybdenum Disulphide (MoS2) particulate was added in various proportions of 2%, 4% and 6% on mass fraction and also added Tungsten carbide particulates at 3%, 6% and 9%.The prepared samples were fabricated through stir casting technique. On the response parameter of MRR, Machining timing, and surface roughness, pulse on time, pulse off time, and gap voltage (Ra). According to the findings of the experiments, the best surface finish and machining time was achieved by using a moderate level pulse on time, a higher level pulse off time, and a smaller gap voltage. MRR was achieved by using a relatively low level pulse on time, maximum pulse off time and a medium voltage.