Abstract
Abstract The research in the area of space exploration and aviation industries gave rise to the requirement of advanced engineering materials which can withstand very high temperature without significantly affecting their properties. Carbon-carbon (C/C) composite is relatively a new advanced engineering material with extraordinary mechanical and thermal properties.The processing of C/C composite is very challenging due to its brittle nature. In the present work, holes of 1mm diameter have been successfully machined on carbon-carbon composites with the help of Electrical Discharge Drilling (EDD) process. Pulse current, pulse-on-time (TON), pulse-off-time (TOFF) and tool rotation are selected as input process parameters whereas response parameters taken in present study are MRR and TWR. After experimentation, it has beenperceived that electrical discharge drilling can be used for making accurate holes in carbon-carbon composite. Further, scanning electron microscope (SEM) analysis is performed in order to examine the surface characteristics of hole machined with EDD process
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