Investigation of Magnesium and Chromium Fillers FSW Dissimilar Joint of AA6063 and AA 5154

Table 4

Processing factors with their range and levels.

S. no.	Factors	Factor levels
		(−2)	(−1)	(0)	(1)	(2)
1	R-tool rotational speed (rpm)	600	800	1000	1200	1400
2	W-welding speed (mm/min)	60	90	120	150	180
3	P-plunge depth (mm)	0.05	0.10	0.15	0.20	0.25
4	C-center distance (mm)	0	1	2	3	4
5	M-powder mixing ratio (Mg : Cr) (%)	90 : 10	92.5 : 7.5	95 : 5	97.5 : 2.5	100 : 0