Comparative tribological behavior of friction composites containing natural graphite and expanded graphite

被引：0
|
作者：
Hongyun JIN [1 ]
Keke ZHOU [1 ]
Zhengjia JI [1 ]
Xiaocong TIAN [1 ]
Ying CHEN [1 ]
Luhua LU [1 ]
Yazhou REN [1 ]
Chunhui XU [1 ]
Shanshan DUAN [1 ]
Jiangyu LI [1 ,2 ]
Shu-en HOU [1 ]
机构：
[1] Faculty of Materials Science and Chemistry, China University of Geosciences
[2] Department of Mechanical Engineering, University of Washington
来源：
Friction | 2020年 / 8卷 / 04期
关键词：
D O I：
暂无
中图分类号：
TB39 [其他材料];
学科分类号：
0805 ; 080502 ;
摘要：
In this study, expanded graphite and natural graphite were introduced into resin-based friction materials, and the tribological behavior of the composites was investigated. The tribo-performance of the two friction composites was evaluated using a constant speed friction tester. The results showed that the expanded graphite composite(EGC) displayed better lubricity in both the fading and the recovery processes. The wear rate of the EGC decreased by 22.43% more than that of the natural graphite composite(NGC). In the fading process, and the EGC enhanced the stability of the coefficient of friction. The recovery maintenance rate of the NGC was 4.66% higher than that of the EGC. It can be concluded that expanded graphite plays an important role in the formation of a stable contact plateau and can effectively reduce the wear.
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页码：684 / 694
页数：11
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