[Retracted] Optimization of Process Parameter on AA8052 Friction Stir Welding Using Taguchi’s Method

Table 6

Sound-to-noise ratios of AA8052 joints.

S. no	Rotational speed (W)	Travel feed (V)	Tool pin geometry	Vickers hardness number (HV)	SN ratio
1	950	26	CWF	116.35	41.35
2	950	32.5	Con	109.68	40.82
3	950	41	TRI	113	40.80
4	1150	26	CWF	117	41.06
5	1150	32.5	Con	108	41.36
6	1150	41	TRI	112.67	40.69
7	1450	26	CWF	110.67	40.89
8	1450	32.5	Con	105	40.42
9	1450	41	TRI	108	40.67