Prediction of Tensile Shear Fracture Load of Friction Stir Spot-Welded AA2024-T3/HCS Dissimilar Joints

Table 5

DoE of FSSW joints.

Exp. No.	Coded value				SFL of Al/steel joint (kN)
	1	-1	-1	-1		-1	6.33
2	+1	-1	-1	-1	6.75
3	-1	+1	-1	-1	6.90
4	+1	+1	-1	-1	7.73
5	-1	-1	+1	-1	7.29
6	+1	-1	+1	-1	7.41
7	-1	+1	+1	-1	7.65
8	+1	+1	+1	-1	8.21
9	-1	-1	-1	+1	6.95
10	+1	-1	-1	+1	7.45
11	-1	+1	-1	+1	7.48
12	+1	+1	-1	+1	8.26
13	-1	-1	+1	+1	7.82
14	+1	-1	+1	+1	8.41
15	-1	+1	+1	+1	8.31
16	+1	+1	+1	+1	8.40
17	-2	0	0	0	6.12
18	+2	0	0	0	7.21
19	0	-2	0	0	7.06
20	0	+2	0	0	8.44
21	0	0	-2	0	8.39
22	0	0	+2	0	9.76
23	0	0	0	-2	5.87
24	0	0	0	+2	6.85
25	0	0	0	0	9.46
26	0	0	0	0	9.13
27	0	0	0	0	9.18
28	0	0	0	0	9.07
29	0	0	0	0	9.28
30	0	0	0	0	9.37