Experimental Investigation of AA6063 Welded Joints Using FSW

Table 7

Response table for signal to noise ratios.

Levels	RS (rpm)	WS (mm/min)	TTA (degree)
1	40.88	40.67	40.59
2	40.35	40.54	41.33
3	40.34	40.38	39.66
Delta	0.54	0.29	1.67
Rank	2	3	1
Larger is better