Boosting the tribological properties by developing a g-C3N4/RGO nanocomposite as lubricant additive

Haoyuan Yang, Yuhong Cui, Ke Yang, Yi Wang, Yichen Wang, Qian Ye, Yibo He, Xuqing Liu

科研成果: 期刊稿件文章同行评审

4 引用 (Scopus)

摘要

Herein, the graphitic carbon nitride (g-C3N4) nanosheets are protonated treatment and then electrostatically self-assembled with reduced graphene oxide (RGO) to obtain g-C3N4/RGO nanocomposite. When employed as a lubricant additive, the amino groups in g-C3N4 can accelerate the formation of friction films, while the cataclastic RGO nanosheets can repair worn surface and reduce wear. Meanwhile, the weak interaction between g-C3N4 and RGO sheets possesses low shear stress, producing interlayer slip, which can effectively reduce friction and anti-wear. As expected, the coefficient of friction (COF) of 0.103 and the wear volume of 0.86 × 105 μm3 for the lubricant containing 2.0 wt% g-C3N4/RGO are 62.3 % and 96.0 % lower than PAO-10 base oil, respectively.

源语言英语
文章编号109996
期刊Tribology International
199
DOI
出版状态已出版 - 11月 2024

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