Research on Friction Stir Spot Welding Brazing Process and Properties of Dissimilar Metals DP590 and 6061

Table 3

Joint shear load.

Sample number	Rotating speed (r/min)	Residence time (s)	Pressing depth (mm)	Shear load (kN)
1#	1000	60	0.1	9.982
2#	1000	90	0.2	13.239
3#	1000	120	0.3	8.600
4#	1200	60	0.2	6.681
5#	1200	90	0.3	7.451
6#	1200	120	0.1	7.835
7#	1500	60	0.3	10.810
8#	1500	90	0.2	8.959
9#	1500	120	0.1	8.415
Range	RA = 3.285	RB = 1.603	RC = 0.882	—
Analysis	RA > RB > RC