Table 2.

The values of the machining parameters applied in the experimental design.

No.	RGO in Dielectric%	EDM Parameters	Positive Polarity				Negative Polarity
			Sa (µm)	Sdq (µm/µm)	Ssc (1/µm)	Sds (pks/mm2)	Sa (µm)	Sdq (µm/µm)	Ssc (1/µm)	Sds (pks/mm2)
1.	0	I = 1 A, ton = 5 µs	1.41	0.213	0.063	1063	1.12	0.067	0.035	1110
2.	0.1	I = 1 A, ton = 5 µs	0.58	0.154	0.065	2356	0.44	0.067	0.035	1912
3.	0.5	I = 2 A, ton = 8 µs	1.37	0.188	0.067	1406	1.11	0.106	0.039	952
4.	1	I = 2 A, ton = 8 µs	1.56	0.213	0.066	1149	1.13	0.114	0.042	1213