Developing an Empirical Relationship to Predict the Wear Characteristics of Ni-Based Hardfaced Deposits on Nuclear Grade 316LN Austenitic Stainless Steel

Table 3

The variables of the process parameters and their operating range.

S.No	Process parameters	Symbols	Units	Levels
				−2	−1	0	1	2
1	Laser power	P	Watts	1100	1300	1500	1700	1900
2	Rate of powder feed	F	Gram/min	3	5	7	9	11
3	Travel speed	T	mm/min	300	350	400	450	500
4	Defocusing distance	D	mm	17	22	27	32	37