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

Table 4

ANOVA table for surface roughness.

Source	DF	Seq. SS	Adj. SS	MS	F		Contribution (%)
Reinforcement vol.%	2	0.017996	0.017996	0.008998	33.1	0	17.32
Pulse off time	2	0.013792	0.013792	0.006896	25.37	0	13.28
Pulse on time	2	0.057949	0.057949	0.028974	106.59	0	55.78
Wire feed rate	2	0.009264	0.009264	0.004632	17.04	0	8.92
Error	18	0.004893	0.004893	0.000272
Total	26	0.103893
R-square–93.20%