Simulation of Material Removal Process in EDM with Composite Tools

Table 4

Graphite properties at different temperatures [16].

Temperature (K)	Coefficient of thermal conductivity (W/(m·K))	Specific heat (J/(kg·K))
298	98	645
373	90	921
473	81	1189
573	73	1402
673	70	1540
773	59	1632
873	49	1695
973	45	1737
1073	39	1800
1273	36	1942
1933	32	1967