[Retracted] Optimization of Process Parameters for Friction Stir Welding of Different Aluminum Alloys AA2618 to AA5086 by Taguchi Method

Table 4

L16 orthogonal array with a mean value and SN ratio measurement.

S.No	A tool pin geometry	B rotational speed	C transverse speed	D D/d ratio	Mean tensile strength (MPa)	SN ratio
1	1	1	1	1	105	40.4750
2	1	2	2	2	240	47.5798
3	1	3	3	3	248	47.8815
4	1	4	4	4	159	43.9851
5	2	1	2	3	204	46.1941
6	2	2	1	4	263	48.3926
7	2	3	4	1	105	40.3889
8	2	4	3	2	116	41.2504
9	3	1	3	4	289	49.2144
10	3	2	4	3	279	48.9159
11	3	3	1	2	277	48.8549
12	3	4	2	1	127	42.0312
13	4	1	4	2	299	49.4958
14	4	2	3	1	102	40.1050
15	4	3	2	4	291	49.2625
16	4	4	1	3	247	47.8358