Influence of Coated Electrode in Nanopowder Mixed EDM of Al–Zn–Mg–Si₃N₄ Composite

Table 6

ANOVA of MRR.

Source	DF	Adj SS	Adj MS	F value	value
Electrode	1	0.095048	0.095048	35.37	0.001
Current (A)	2	0.217744	0.108872	40.51	0.001
Voltage (V)	2	0.008565	0.004283	1.59	0.0261
Pulse on time (µs)	2	0.001269	0.000635	0.24	0.0495
Capacitance (nF)	2	0.002887	0.001443	0.54	0.0364
Error	8	0.021499	0.002687
Total	17	0.347013