Analysis of Machining Parameters in WEDM of Al/SiCp20 MMC Using Taguchi-Based Grey-Fuzzy Approach

Table 6

Calculated grey relational coefficient, grade, and rank for each experiment.

Trial no	RaS	RaC	RaI	Grey rational grade	Rank
1	1.000	0.885	0.74908	0.87797	1
2	0.502	0.478	0.33333	0.43782	8
3	0.576	1.000	0.65824	0.74484	3
4	0.578	0.425	0.55923	0.52077	5
5	0.686	0.686	1.000	0.79088	2
6	0.528	0.62	0.67263	0.60691	4
7	0.511	0.333	0.54307	0.46237	7
8	0.333	0.527	0.39571	0.41877	9
9	0.395	0.522	0.55708	0.4915	6