Table 2.

Input parameters and their levels.

Variables/Notations	Level
	1	2	3
Current (A)/I	4	10	16
Pulse-on (µs)/T-on	30	45	90
Pulse-off (µs)/T-off	30	45	90
Magnetic field intensity (T)/B	0	0.33	0.66
Dielectric medium	Plain dielectric	SiC mixed (220 mesh)	Graphite mixed (400 mesh)
Workpiece (W/P)	Al-37% SiC (W/P-1)	Al-55% SiC (W/P-2)	Al-63% SiC (W/P-3)