Enhancement mechanism of carbon fiber on the current-carrying tribological properties of Cf-Al2O3/Cu composites

被引：10

作者：

Li, Shaolin ^{[1
,2
,3
]}

Jia, Chaofan ^{[1
]}

Guo, Xiuhua ^{[1
,2
,3
]}

Song, Kexing ^{[1
,2
,3
,4
]}

Wang, Xu ^{[1
]}

Guo, Hao ^{[5
]}

Su, Juanhua ^{[1
,2
]}

机构：

[1] Henan Univ Sci & Technol, Sch Mat Sci & Engn, Luoyang 471023, Peoples R China

[2] Henan Prov Key Lab Nonferrous Met Mat Sci & Proc T, Luoyang 471023, Peoples R China

[3] Prov & Minist Coconstruct Collaborat Innovat Ctr N, Luoyang 471023, Peoples R China

[4] Henan Acad Sci, Zhengzhou 450052, Peoples R China

[5] Luoyang Bearing Sci & Technol Co Ltd, Luoyang 471023, Peoples R China

来源：

WEAR | 2023年 / 530-531卷

基金：

中国博士后科学基金;

关键词：

Cf-Al; 2; O; 3; Cu composites; Arc erosion; Current-carrying friction; Wear mechanism; MATRIX COMPOSITE; COPPER; WEAR; PERFORMANCE; FRICTION; CU; MICROSTRUCTURE; GRAPHITE; STRIP;

D O I：

10.1016/j.wear.2023.205033

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Cf-Al2O3/Cu composites were fabricated by powder metallurgy combined with internal oxidation. The microstructure, electrical contact properties and tribological properties of the fabricated composites were characterized. The results showed that the addition of an appropriate amount of carbon fibers improved the tribological properties of Al2O3/Cu composites. The friction coefficient of the composites is lower (0.182) and the specific wear rate decreased by 64.2% in comparison with Al2O3/Cu composites. The reduction of arc erosion reduced the roughness of the friction surface of the composite and improved the stability of the friction system. And the improvement of friction stability, in turn, avoided the formation of bumps and pits on the friction surface and prevented concentrated arc erosion at the bumps.

引用

页数：14

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