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

Table 4

Important FSSW parameters and their levels.

Sl. No	Factor	Unit	Levels
			-2	-1	0	+1	+2
1		rpm	800	900	1000	1100	1200
2		mm/min	2	3	4	5	6
3		Sec	3	4	5	6	7
4		—	2.0	2.5	3.0	3.5	4.0