[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 8

Validation test results for the developed empirical relationship.

S. no.	Power (W)	Powder feed rate (g/min)	Travel speed (mm/min)	Defocusing distance (mm)	Actual hardness (HV)	Predicted hardness (HV)	Error (%)
01	1400	4	325	20	585	570	−2.6
02	1600	6	375	24	658	635	−3.6
03	1800	10	450	35	783	797	1.7