Effect of atomic oxygen on corrosion and friction and wear behavior of polyimide composites

被引：10

作者：

Duan, Chunjian ^{[1
,2
]}

He, Ren ^{[3
]}

Li, Song ^{[1
,2
]}

Yang, Rui ^{[1
,2
]}

Shao, Mingchao ^{[1
,2
]}

Yang, Zenghui ^{[1
]}

Zhang, Nan ^{[1
,2
]}

Yuan, Ping ^{[3
]}

Wang, Tingmei ^{[1
]}

Wang, Qihua ^{[1
]}

机构：

[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Gansu, Peoples R China

[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China

[3] China Acad Engn Phys, Inst Syst Engn, Mianyang 621900, Sichuan, Peoples R China

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2020年 / 137卷 / 10期

基金：

中国国家自然科学基金;

关键词：

AO irradiation; corrosion; friction and wear; high-low temperature; TPI composite; TRIBOLOGICAL PROPERTIES; GRAPHENE OXIDE; NANOSHEETS; POLYMERS; IRRADIATION; PERFORMANCE; ATMOSPHERE; RESISTANCE; FIBERS;

D O I：

10.1002/app.48441

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Thermosetting polyimide (TPI) composite with better wear resistance and lower friction was obtained with various functional fillers after a high-low temperature cycle test. Nevertheless, taking into consideration of harsh space condition, the friction and wear behavior of TPI composite were also explored after atomic oxygen (AO) irradiation. It reveals that TPI composite behaves excellent properties against AO mainly attributed to g-C3N4 with more negative electronegativity N than carbon atom. Moreover, the mechanism of friction and wear demonstrated that degradation caused by AO led to TPI composite surface with special "carpet-like" morphology and this resulted into lubrication failure, especially when temperature was increased from 200 degrees C to 350 degrees C. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 48441.

引用

页数：9

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