Microfriction Stir Welding of Aluminium Using ABB IRB 1410 Robot

Table 12

Relative performance closeness to ideal solution.

Sample no	Pi	Rank
L1	0.324993	7
L2	0.379883	4
L3	0.642820	2
L4	0.354173	5
L5	0.618556	3
L6	0.313163	9
L7	0.698222	1
L8	0.315441	8
L9	0.332087	6