Tribological properties of oleic acid-modified graphene as lubricant oil additives

Wei Zhang; Ming Zhou; Hongwei Zhu; Yu Tian; Kunlin Wang; Jinquan Wei; Fei Ji; Xiao Li; Zhen Li; Peng Zhang; Dehai Wu

doi:10.1088/0022-3727/44/20/205303

Tribological properties of oleic acid-modified graphene as lubricant oil additives

Wei Zhang, Ming Zhou, Hongwei Zhu, Yu Tian, Kunlin Wang, Jinquan Wei, Fei Ji, Xiao Li, Zhen Li, Peng Zhang, Dehai Wu

Tsinghua University

科研成果: 期刊稿件 › 文章 › 同行评审

285 引用（Scopus）

摘要

Liquid phase exfoliated graphene sheets were modified by oleic acid and dispersed in lubricant oils as additives. The tribological behaviours of graphene-contained oils were investigated using a four-ball tribometer. The lubricant with optimized graphene concentrations of 0.02-0.06 wt% showed enhanced friction and anti-wear performance, with friction coefficient and wear scar diameter reduced by 17% and 14%, respectively.

源语言	英语
文章编号	205303
期刊	Journal of Physics D: Applied Physics
卷	44
期	20
DOI	https://doi.org/10.1088/0022-3727/44/20/205303
出版状态	已出版 - 25 5月 2011
已对外发布	是

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AU - Zhang, Wei

AU - Zhou, Ming

AU - Zhu, Hongwei

AU - Tian, Yu

AU - Wang, Kunlin

AU - Wei, Jinquan

AU - Ji, Fei

AU - Li, Xiao

AU - Li, Zhen

AU - Zhang, Peng

AU - Wu, Dehai

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AB - Liquid phase exfoliated graphene sheets were modified by oleic acid and dispersed in lubricant oils as additives. The tribological behaviours of graphene-contained oils were investigated using a four-ball tribometer. The lubricant with optimized graphene concentrations of 0.02-0.06 wt% showed enhanced friction and anti-wear performance, with friction coefficient and wear scar diameter reduced by 17% and 14%, respectively.

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Tribological properties of oleic acid-modified graphene as lubricant oil additives

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