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

Table 5

Results of the Vickers hardness test.

S. no	Rotational speed (W)	Travel speed (V)	Tool geometry	Vickers hardness number (HV)
1	950	26	CWF	116.35
2	950	32.5	Con	109.68
3	950	41	TRI	113
4	1150	26	CWF	117
5	1150	32.5	Con	116.35
6	1150	41	TRI	109.68
7	1450	26	CWF	113
8	1450	32.5	Con	117
9	1450	41	TRI	116.35