Evolution of the low-temperature tribological performance of polychlorotrifluoroethylene and polyimide

被引：5

作者：

Chen, Shengshan ^{[1
]}

Guo, Fei ^{[1
]}

Cheng, Ganlin ^{[1
]}

Xiang, Chong ^{[1
]}

Wang, Yuming ^{[1
]}

机构：

[1] Tsinghua Univ, State Key Lab Tribol Adv Equipment, Beijing 100084, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2023年 / 180卷

基金：

中国国家自然科学基金;

关键词：

Tribological performance; Polychlorotrifluoroethylene; Polyimide; Low temperature; POLYMER COMPOSITES; FRICTION; COATINGS; BEHAVIOR; FRACTURE;

D O I：

10.1016/j.triboint.2023.108271

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this paper, the tribological performances of polychlorotrifluoroethylene and polyimide compared with those of 0Cr18Ni9 steel at temperatures as low as -120 & DEG;C were investigated, including varying speed and load. The results demonstrated that the coefficient of friction and wear rate of polychlorotrifluoroethylene were lower and more stable than those of polyimide. The excellent self-cleaning performance of polychlorotrifluoroethylene kept its interface smooth and reduced the coefficient of friction and wear rate. The study demonstrated the superior integrity and sealing performance of polychlorotrifluoroethylene in cryogenic environments, and proved its suitability as a valve component at low temperatures.

引用

页数：16

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