Wear of Quenched and Aged Cu-Be Alloy at Current Transfer

被引：2
|
作者：
Kolubaev, A. V. [1 ]
Sizova, O. V. [1 ]
Teryukalova, N. V. [1 ]
Denisova, Yu. A. [1 ,2 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Inst Strength Phys & Mat Sci, Tomsk 634055, Russia
[2] Russian Acad Sci, Siberian Branch, Inst High Current Elect, Tomsk 634055, Russia
来源：
JOURNAL OF FRICTION AND WEAR | 2020年 / 41卷 / 06期
关键词：
berillium copper; sliding friction; wear resistance; friction surface; plastic strain; sliding electrical contact; microstructure; MECHANICAL-PROPERTIES; PLASTIC-DEFORMATION; MICROSTRUCTURE; BEHAVIOR;
D O I：
10.3103/S1068366620060112
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Sliding friction tests were carried out on quenched and aged unlubricated samples of C17200 beryllium bronze with and without the current flow through frictional contact. It is shown that the quenched samples are exposed to corrosion-mechanical wear by the oxidation of the friction surface, followed by the separation of wear particles as ultradispersed oxides. The wear of the aged sample is attended by the separation of big wear particles as a result of adhesive interaction. The application of electric current in sliding allows reducing the wear resistance of quenched bronze to 109.3 h/g as compared to the 143.9 h/g of the sample tested without current. The application of electricity results only in a negligible reduction in the wear resistance of the aged bronze samples from 86.6 to 77.8 h/g.
引用
收藏
页码：559 / 564
页数：6
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