Parametric Optimization of Laser Additive Manufacturing of Inconel 625 Using Taguchi Method and Grey Relational Analysis

Table 8

Grey relational generating, grey relational coefficient, grey relational grade, and rank for each experiment.

Expt. No.	Grey relational generating		Grey relational coefficient		Grey relational grade	Rank
	Surface roughness ()	Width error ()	Surface roughness ()	Width error ()
1	0.724	0.983	0.644	0.967	0.789	3
2	0.335	0.276	0.429	0.408	0.420	7
3	0.000	0.508	0.333	0.504	0.410	8
4	0.229	0.464	0.393	0.485	0.434	6
5	1.000	0.862	1.000	0.784	0.903	1
6	0.941	0.724	0.894	0.644	0.782	4
7	0.665	0.425	0.599	0.465	0.539	5
8	0.412	0.000	0.460	0.333	0.403	9
9	0.747	1.000	0.664	1.000	0.815	2