Research on in-situ microscopic observation of dynamic contact and reciprocating sliding friction of GM-3 lining interface

被引:9
作者
Feng, Cunao [1 ]
Zhang, Dekun [2 ]
Chen, Kai [2 ]
Guo, Yongbo [1 ]
Hao, Tianqing [2 ]
机构
[1] China Univ Min & Technol, Sch Mechatron Engn, Xuzhou 221116, Peoples R China
[2] China Univ Min & Technol, Sch Mat Sci & Engn, Xuzhou 221116, Peoples R China
基金
中国国家自然科学基金;
关键词
GM-3 friction lining; In-situ microscopic observation; Actual contact area; Stick-slip friction; RUBBER-FRICTION; TRIBOMETER; COEFFICIENT; MECHANICS; ROPE; WEAR;
D O I
10.1016/j.triboint.2017.05.023
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
This paper, based on the real-time in-situ observation of white box test, aims to investigate the micro-contact characteristics and the friction and wear mechanisms of the GM-3 lining material on the rubbing interface. The results show that the friction coefficient is positively correlated with the actual contact area at different contact pressures and sliding speeds. When the sliding speed reaches 5 mm/s, there is a phenomenon of stick-slip fluctuation with the friction noise. The process of dynamic viscoelastic friction can be divided into four stages. And when it is worn, the viscoelastic lining material is easy to produce reel-like debris.
引用
收藏
页码:179 / 190
页数:12
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