Examination of Friction Stir-Welded AA 6262/5456 Joints through the Optimization Technique

Table 3

FSW process parameter levels.

Levels	Tool rotational speed, TRS (rpm)	Welding speed, WS (mm/min)	Tool tilt angle, TTA (θ)
1	900	20	2
2	1100	30	2.5
3	1400	40	3