Effect of contact forms on the wear of hard silicon surfaces by soft polymers

被引：5
|
作者：
Zhang, Zhaoxiang [1 ,2 ,3 ]
Jia, Xiaohong [1 ,2 ]
Guo, Fei [1 ,2 ]
Shan, Zhongde [3 ]
Wang, Yuming [1 ,2 ]
机构：
[1] Tsinghua Univ, State Key Lab Tribol, Beijing 100084, Peoples R China
[2] Tsinghua Univ, Joint Res Ctr Rubber & Plast Seals, Beijing 100084, Peoples R China
[3] China Acad Machinery Sci & Technol, State Key Lab Adv Forming Technol & Equipment, Beijing 100044, Peoples R China
来源：
FRICTION | 2021年 / 9卷 / 05期
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
polymers; silicon surface; wear; combined stress; MOLECULAR-WEIGHT POLYETHYLENE; PREDICTION; MECHANISMS; SIMULATION; TRIBOLOGY; GRAPHITE; FRICTION; JOINTS;
D O I：
10.1007/s40544-020-0375-2
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The mechanism of hard surfaces worn by soft polymers is not clearly understood. In this paper, a new hypothesis has been proposed, it holds that the stress acting on the hard surface under certain working conditions is the main reason for wear of the hard surface by a soft polymer. The hypothesis was investigated by changing the contact form between tribo-pairs. For this, friction tests between six polymer spheres and smooth, rough, and inclined monocrystalline silicon surfaces were carried out. The results show that for the same tribo-pair, the silicon surface will not be worn in some contact forms, but in other contact forms it will be worn. We believe the wear of hard surface by a soft polymer is the result of the combined stress state action on the hard surface.
引用
收藏
页码：918 / 928
页数：11
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