Recent Progress on Carbon Nanomaterials for Resisting the Wear Damages

Table 1

Tribological performances of CNTs-reinforced composite coatings.

Matrixes	Additives	Conditions	Contents	Friction coefficients, wear (mm^3/Nm)
Mg-1Al [92]	Fullerene	48 mm/s, 20 N	0.5 wt%	∼0.4, ∼0.015
		96 mm/s, 20 N		∼0.385, ∼0.017
Epoxy [118]	C70	4 N	1 wt%	∼0.234, ∼0.0126
			3 wt%	∼0.168, ∼0.0024
Al 7075 [101]	CNTs	450 (rpm), 20 N	0.75 p	8.8 μm/min
		450 (rpm), 60 N		15.2 μm/min
Al [119]	MWCNT	0.12 m/s, 30 N	4.5 vol%	0.042, ∼36.6
Epoxy [118]	MWCNTs	4 N	1 wt%	∼0.171, ∼0.092
			3 wt%	∼0.188, ∼0.032
CuO [120]	Graphene	1.1 GPa		∼0.09, ∼0.0287
		2.0 GPa		∼0.10, ∼0.0528
Epoxy [73]	NDs	1,000 m, 10 N	0.25 wt%	∼0.38, ∼0.516
			0.75 wt%	∼0.22, ∼0.352
Ti [121]	NDs	200 N	0.1 wt%	Wear ∼0.89%
			0.5 wt%	Wear ∼0.41%