[Retracted] Experimental Investigation and Optimization on Friction Stir Welding of Nylon 6A Using Taguchi and ANOVA with Microstructural Analysis

Table 3

Obtained experimental results of UTS and hardness.

S. No.	TRS (rpm)	Feed rate (mm/min)	Pitch (mm)	UTS (N/mm^2)	Hardness
1	500	30	1	32.97	76.00
2	500	30	2	31.34	72.11
3	500	30	3	35.86	73.11
4	500	40	1	17.96	79.33
5	500	40	2	18.95	72.21
6	500	40	3	21.91	75.11
7	500	50	1	32.11	81.33
8	500	50	2	33.32	77.11
9	500	50	3	34.98	78.12
10	1000	30	1	27.92	86.11
11	1000	30	2	21.35	87.12
12	1000	30	3	24.81	88.91
13	1000	40	1	26.52	86.12
14	1000	40	2	23.12	84.13
15	1000	40	3	22.16	85.67
16	1000	50	1	26.17	88.12
17	1000	50	2	22.35	88.90
18	1000	50	3	20.89	89.93
19	1500	30	1	19.34	89.16
20	1500	30	2	20.21	90.45
21	1500	30	3	18.34	92.89
22	1500	40	1	21.78	87.56
23	1500	40	2	22.17	84.13
24	1500	40	3	19.07	87.13
25	1500	50	1	22.67	93.21
26	1500	50	2	21.07	94.22
27	1500	50	3	22.45	95.61