Research Article

Influence of WS2 Nanopowder Addition on Friction Characteristics of ta-C Coating by FCVA Method

Table 1

Physical and chemical properties of nano-size WS2 powder.

PurityMore than 99.9%

APS (Average Particle Size)Below 120 nm

SSA (Specific Surface Area)30 m2/g

True density7.50 g/cm3