[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 2

Laser hard-faced processessing parameters and their working range.

S. no.	Factor	Notation	Levels
			−2	−1	0	1	2
1	Laser power (W)	P	1100	1300	1500	1700	1900
2	Powder feed rate (g/min)	F	3	5	7	9	11
3	Travel speed (mm/min)	T	300	350	400	450	500
4	Defocusing distance (mm)	D	17	22	27	32	37