Abstract
The heterostructure film composed of graphene and h-BN performs excellently in friction-reduction, wear-resistance and long-term corrosion resistance, which offers a promising solution for achieving long service life in marine applications. In this study, the three-body abrasive tribological characteristics of the heterostructure film are investigated with molecular dynamics simulations. Three typical kinds of point defects, as well as two kinds of large multi-vacancy defects with different configurations, are investigated to characterize their influence on the three-body tribological performance of the heterostructure film. Results show the self-rotation of the rolling abrasive is conductive to reducing the friction resistance and occurrence of the wear. This study provides an atomic-level understanding on the tribological characteristics of the heterostructure film composed of graphene and h-BN.
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