Tribological Properties of Nanolamellar MoS₂ Doped with Copper Nanoparticles

Table 1

Profilometer results of wear track.

Sample	Depth of wear track (m)	Wear volume (m^3·10^−3)
-NL* (5 N)	0.42	2.0
-C** (5 N)	0.57	3.5
-NL + Cu nano (5 N)	0.11	Negative value
-C + Cu nano (5 N)	0.18	Negative value
-C (10 N)	1.22	624.6
-NL + Cu nano (10 N)	0.82	320.3
-C + Cu nano (10 N)	1.12	421.11

-NL: nanolamellar molybdenum disulfide.
-C: commercial molybdenum disulfide.