Mechanical Behaviors of Friction Stir Spot Welded Joints of Dissimilar Ferrous Alloys under Opening-Dominant Combined Loads

Table 3

The quasi-static failure loads of the FSSW joints under various loading conditions.

Loading angle (°)	Maximum load* (kN)
	SPCC/SPCC	SPCC/SUS	SUS/SPCC	SUS/SUS
0	7.81 (0.095)	8.42 (0.060)	8.60 (0.230)	10.00 (0.201)
15	7.70 (0.032)	7.75 (0.008)	6.54 (0.183)	8.81 (0.283)
22	7.40 (0.077)	7.60 (0.062)	6.43 (0.220)	8.43 (0.092)
30	6.93 (0.060)	7.40 (0.073)	6.10 (0.090)	8.30 (0.052)

∗Average of the results of two FSSW specimens; values in the parentheses are the standard deviations.