Investigations on the WEDM of Friction Stir Processed Magnesium/Graphene-Boron Nitride Hybrid Surface Composite through the Entropy-COPRAS Approach

Table 3

Response table for surface roughness.

Level	Reinforcement %	Pulse off time	Pulse on time	Wire feed rate
1	−11.44	−11.58	−11.38	−11.46
2	−11.52	−11.49	−11.51	−11.52
3	−11.58	−11.47	−11.64	−11.56
Delta	0.15	0.12	0.26	0.1
Rank	2	3	1	4