Synthesis and Tribological Properties of Graphene-Copper Nanoparticle Composites as Lithium Grease Additive

被引：0

作者：

Wang Jing ^{[1
]}

Guo Xiaochuan ^{[1
]}

He Yan ^{[1
]}

Jiang Mingjun ^{[1
]}

Zhou Weigui ^{[2
]}

机构：

[1] Army Logistical University of PLA

[2] POL Research Institute of PLA

来源：

ChinaPetroleumProcessing&PetrochemicalTechnology | 2017年 / 19卷 / 04期

关键词：

graphene; copper; composite; synthesis; tribology;

D O I：

暂无

中图分类号：

TB33 [复合材料]; TE624.82 [];

学科分类号：

0805 ; 080502 ; 081702 ;

摘要：

In this paper, the graphene-copper nanoparticle composites(GN/Cu NPs) were prepared by in situ chemical reduction in aqueous solution. The influence of pH value and the concentration of PVP on the particle size and structure of the GN/Cu NPs as well as the element distribution were analyzed via the scanning electron microscopy(SEM), the transmission electron microscopy(TEM), the X-ray diffraction(XRD), and the energy dispersive spectroscopy(EDS). The tribological properties of the grease with GN/Cu NPs composites have been studied by SRV-IV. It was found that compared to the base grease, the GN/Cu NPs composites could help to reduce the wear loss of the disk by 85.5% and the average friction coefficient by 15.5%. The test results clearly indicated that the addition of the GN/Cu NPs composites significantly enhanced the tribological properties of grease.

引用

页码：113 / 122

页数：10

共 21 条

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