Abstract
ABSTRACTWith the development of modern industrial production, it is difficult for a single industrial material to meet the needs of production development. Therefore, composite materials with many excellent properties appear, but because of their excellent properties, it is difficult to adopt conventional machining methods. In this paper, single-factor variable experiments of pulse width, peak current, flushing pressure and working fluid conductivity of 10% SiC reinforced aluminium matrix composite and titanium-magnesium-aluminium alloy were carried out by electrosparking machine tool to study the electrosparking properties of SiC. The results showed that the machining efficiency was improved by increasing pulse width, peak current, flushing pressure and working fluid conductivity in a certain range, and the machining efficiency tended to be stable or even decreased if the increase exceeded a certain range; the thickness of the recast layer decreased with the increase of flushing pressure, but increased with the increase of pulse width, peak current and working liquid conductivity and tended to be stable.
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