Study on Breakdown Probability of Multimaterial Electrodes in EDM

Table 3

Logarithm value of current density under different conditions (lg j) [19].

(V/cm)	(K)
	1500	2000	2500	3000	3500
= 4.0 eV
2 × 10^7	1.72	3.43	4.64	5.46	6.05
4 × 10^7	5.72	6.11	6.56	6.98	7.35
= 4.5 eV
2 × 10^7	−1.46	2.20	3.64	4.63	5.38
4 × 10^7	4.53	5.01	5.61	6.17	6.65
= 5 eV
2 × 10^7	−1.63	0.91	2.63	3.78	4.63
4 × 10^7	3.28	3.87	4.63	5.34	5.99