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

Table 4

Mean of three replicates and the S/N ratio.

Expt. No.	Factors and levels				Mean of three replicates		S/N ratio
	LP	SS	PFR	OR	(mm)	(mm)
1	1	1	1	1	0.157	0.036	16.097	28.256
2	1	2	2	2	0.223	0.164	13.146	13.948
3	1	3	3	3	0.280	0.122	11.053	17.988
4	2	1	2	3	0.241	0.130	12.391	15.872
5	2	2	3	1	0.110	0.058	19.148	22.298
6	2	3	1	2	0.120	0.083	18.396	19.900
7	3	1	3	2	0.167	0.137	15.539	15.421
8	3	2	1	3	0.210	0.214	13.549	11.658
9	3	3	2	1	0.153	0.033	16.283	26.446