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

Table 4

Experimental observations.

Welded samples	TRS (rpm)	WS (mm/min)	TTA (degree)	TS (MPa)
L1	900	20	2	192.65
L2	900	20	2.5	193.28
L3	900	20	3	189.54
L4	900	30	2	179.38
L5	900	30	2.5	197.84
L6	900	30	3	187.92
L7	900	40	2	195.68
L8	900	40	2.5	194.77
L9	900	40	3	196.27
L10	1100	20	2	175.53
L11	1100	20	2.5	186.64
L12	1100	20	3	169.29
L13	1100	30	2	170.58
L14	1100	30	2.5	171.29
L15	1100	30	3	165.88
L16	1100	40	2	196.89
L17	1100	40	2.5	195.76
L18	1100	40	3	189.79
L19	1400	20	2	174.88
L20	1400	20	2.5	199.26
L21	1400	20	3	186.84
L22	1400	30	2	202.44
L23	1400	30	2.5	183.52
L24	1400	30	3	179.29
L25	1400	40	2	181.99
L26	1400	40	2.5	195.37
L27	1400	40	3	193.78