: by performance measure such as tool wear

: Electric Discharge Machining is a non-traditional machining process which utilized for machining of hard materials and for making complex shapes. The addition of powder particles in dielectric fluid of EDM makes the condition to accomplish higher machining execution. This change in EDM process has resulted in the use of different powder mixed in dielectric fluid, which results in increasing machinability, better surface quality and faster machining. This study discuss about the effect of various powders on different materials by performance measure such as tool wear rate, material removal rate and surface roughness.

This article presents history, mechanism and reviews research literature in this area. From the review results, it has been observed that the efficiency of the machining process can be enhanced by altering abrasive concentration and grain size.

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