Investigation of the TIG Welding Process for Joining AA6082 Alloy Using Grey Relational Analysis

Table 5

Response table for GRG.

	Welding current (A)	Travel speed (mm/min)	Gas flow rate (lit/min)
1	0.5377	0.5992	0.5594
2	0.6508	0.6715	0.6702
3	0.6758	0.5935	0.6347
Delta	0.1381	0.0781	0.1108
Rank	1	3	2