Table 1.

Process parameters used to weld Al6061 to Ti6Al4V by UWFSW & CFSW.

Process parameters	CFSW10	UWFSW
Rotational speed(rpm)	1200	1200
Feed rate(mm/min)	45	45
Tool offset (mm)	2 (on Al side)	2 (on Al side)
Tilt angle (°)	≈ 1	≈ 1.5
Plunge depth (mm)	0.2	0.2