An investigation on the tribological behaviors of steel/copper and steel/steel friction pairs via lubrication with a graphene additive-Reference-Cited by-同舟云学术

An investigation on the tribological behaviors of steel/copper and steel/steel friction pairs via lubrication with a graphene additive

Published:2020-01-18 Issue:2 Volume:9 Page:228-238
ISSN:2223-7690
Container-title:Friction
language:en
Short-container-title:Friction

Author:

Mao Junyuan,Chen Guangyan,Zhao Jun,He Yongyong,Luo Jianbin

Abstract

AbstractIn this study, the tribological behaviors of graphene as a lubricant additive for steel/copper and steel/steel friction pairs were compared. For the steel/copper friction pair, the graphene sheets remarkably decreased the coefficient of friction and wear scar depth under low loads, but these slightly increased under high loads. The steel/steel friction pair showed excellent tribological properties even under high loads. Severe plastic deformation on the copper surface reduced the stability of the graphene tribofilm because of a rough copper transfer film on the steel during the running-in period. The results provide a better understanding of the mechanism of graphene as a lubricant additive.

Publisher

Springer Science and Business Media LLC

Subject

Surfaces, Coatings and Films,Mechanical Engineering

Link

http://link.springer.com/content/pdf/10.1007/s40544-019-0327-x.pdf

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