Mechanical Properties Optimization of Friction Stir Welded Lap Joints in Aluminium Alloy

Table 12

Minimum hook distances measured on advancing (AS) and retreating (RS).

rpm	s/mm	Loaded AS thickness (mm)	Loaded RS thickness (mm)
950	0.155	0.12	0.12
1050	0.184	0.11	0.12
1150	0.213	0.114	0.116
1250	0.241	0.09	0.12
1377.5	0.533	0.074	0.12
1377.5	0.267	0.032	0.12
2222.5	0.533	0.044	0.12
2222.5	0.267	0.08	0.12