[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 6

Verification results for microhardness.

Sl. No	Power (W)	Powder feed rate (g/min)	Travel speed (mm/min)	Defocusing distance (mm)	Actual hardness (HV)	Predicted hardness (HV)	Error (%)
01	1386	8.5	353	30	815	828	2.7
02	1414	9	437	25	809	821	1.4
03	1329	9	361	32	820	829	1