[Retracted] Optimizing the Characteristics of the Laser Hardfacing Process Parameters to Maximize the Wear Resistance of Ni-Based Hard-Faced Deposits Using the RSM Technique

Table 3

Design matrix and experimental results.

Ex no.	Coded value				Actual value				Responses
		F	T	D	(W)	F (g/m)	T (mm/min)	D (mm)	Microhardness (HV)	Weight loss (mg)
1	−1	−1	−1	−1	1300	5	350	22	573	32.2
2	1	−1	−1	−1	1700	5	350	22	475	41.4
3	−1	1	−1	−1	1300	9	350	22	778	18.3
4	1	1	−1	−1	1700	9	350	22	603	31.3
5	−1	−1	1	−1	1300	5	450	22	475	39
6	1	−1	1	−1	1700	5	450	22	574	29.1
7	−1	1	1	−1	1300	9	450	22	794	25
8	1	1	1	−1	1700	9	450	22	703	18.2
9	−1	−1	−1	1	1300	5	350	32	743	23.8
10	1	−1	−1	1	1700	5	350	32	568	32.8
11	−1	1	−1	1	1300	9	350	32	820	16.4
12	1	1	−1	1	1700	9	350	32	602	32.2
13	−1	−1	1	1	1300	5	450	32	545	36.2
14	1	−1	1	1	1700	5	450	32	581	27.9
15	−1	1	1	1	1300	9	450	32	680	26.8
16	1	1	1	1	1700	9	450	32	648	24.9
17	−2	0	0	0	1100	7	400	27	727	26.2
18	2	0	0	0	1900	7	400	27	551	31.7
19	0	−2	0	0	1500	3	400	27	487	36.8
20	0	2	0	0	1500	11	400	27	770	19.8
21	0	0	−2	0	1500	7	300	27	799	27.7
22	0	0	2	0	1500	7	500	27	721	29.8
23	0	0	0	−2	1500	7	400	17	575	30.4
24	0	0	0	2	1500	7	400	37	681	25
25	0	0	0	0	1500	7	400	27	769	28.7
26	0	0	0	0	1500	7	400	27	766	27.9
27	0	0	0	0	1500	7	400	27	769	28.7
28	0	0	0	0	1500	7	400	27	770	27.9
29	0	0	0	0	1500	7	400	27	766	27.8
30	0	0	0	0	1500	7	400	27	766	27.7