Investigation on Friction Stir Weldability Characteristics of AA7075-T651 and AA6061-T6 Based Nanocomposites

Table 5

Operating parameters for welding.

Sl no.	Parameter	Unit	Specimen trial runs (R)
			R1	R2	R3	R4	R5	R6
1	Spindle speed	RPM	800	900	600	1000	800	800
2	Feed rate	mm/min	40	30	40	40	40	60
3	Tool pin probe	—	CYL	THR CYL	CYL	CYL	SQ	CYL

CYL: cylindrical pin profiled tool; THR CYL: threaded cylindrical pin profiled tool; SQ: square pin profiled tool.