Investigation on Nano-Self-Lubricant Coating Synthesized by Laser Cladding and Ion Sulfurization

Table 3

Hardness of Ni55 + W laser cladding layer (HRC).

Powders	Ni55 + 5%W	Ni55 + 10%W	Ni55 + 15%W	Ni55 + 20%W
Hardness/HRC	44.7	46.5	39.3	35.8