Experimental Investigation of AA6063 Welded Joints Using FSW

Table 5

Hardness test results.

Trial no.	Rotational speed (rpm)	Welding speed (mm/min)	Tool tilt angle (degree)	Hardness (HV)
1	560	60	0	86.12
2	560	80	1	93.25
3	560	100	2	81.45
4	730	60	1	86.12
5	730	80	2	89.02
6	730	100	0	84.12
7	900	60	2	80.25
8	900	80	0	85.35
9	900	100	1	87.35