A comparative investigation into the material matching performance of different friction pairs under current-carrying friction

被引：15
作者：
Liu, Xin-long [1 ,3 ]
Guan, Xin [1 ]
Zhang, Ti-Ming [2 ]
Zhong, Yuan [3 ]
Zhang, Wu-lue [1 ]
Zhang, Song [1 ]
Xiao, Qian [1 ]
Zheng, Yi-ting [1 ]
Gao, Ming-sheng [1 ]
Chen, Dao-yun [1 ]
Yang, Wen-bing [1 ]
机构：
[1] East China Jiaotong Univ, Life Cycle Technol Innovat Ctr Intelligent Transpo, Nanchang 330013, Peoples R China
[2] Nanchang Hangkong Univ, Jiangxi Key Lab Forming & Joining Technol Aerosp C, Nanchang 330063, Peoples R China
[3] Southwest Jiaotong Univ, State Key Lab Tract Power, Chengdu 610031, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2023年 / 185卷
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Current collector; third rail; Copper; -impregnated; Powder metallurgy; Match performance; CONTACT WIRE; TRIBOLOGICAL PROPERTIES; WEAR BEHAVIORS; ARC-DISCHARGE; CARBON STRIP; COMPOSITE;
D O I：
10.1016/j.triboint.2023.108543
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Current collector-third rail systems are often used for power transmission in intercity rail trains. To improve the material matching performance of carbon skateboard/contact rails, three different contact pairs (powder met-allurgy carbon skateboard/stainless steel, copper-impregnated carbon skateboard/stainless steel and copper -impregnated carbon skateboard/tin bronze) were used to investigate current-carrying friction performance. The results indicated that the contact resistance and friction coefficient of the copper-base powder metallurgy/ stainless steel contacts consistently remained at low and stable values under different currents, while the contact resistance and friction coefficient of the copper-impregnated/stainless steel and copper-impregnated/tin bronze contact pairs were more sensitive to increased currents. According to the tribological analysis, the wear mech-anisms of the three contact pairs were mainly abrasive wear, oxidative wear and adhesive wear.
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页数：13
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