Effect and behaviors of ambient humidity on the wear of metal-impregnated carbon strip in pantograph-catenary system

被引：5
|
作者：
Zhi, Xingshuai [1 ]
Zhou, Ning [1 ]
Cheng, Yao [1 ]
Wang, Xuyang [1 ]
Wei, Haifei [1 ]
Chen, Guangxiong [2 ]
Zhang, Weihua [1 ]
机构：
[1] Southwest Jiaotong Univ, State Key Lab Tract Power, Chengdu 610031, Peoples R China
[2] Southwest Jiaotong Univ, Sch Mech Engn, Chengdu 610031, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2023年 / 188卷
基金：
中国国家自然科学基金;
关键词：
Pantograph-catenary system; Metal-impregnated carbon strip; Abnormal wear; Ambient humidity; TRIBOLOGICAL PROPERTIES; ARC-DISCHARGE; CONTACT WIRE; FRICTION; BRUSHES; STEEL; FILM;
D O I：
10.1016/j.triboint.2023.108864
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The causes of abnormal wear in contact strip of pantograph have been extensively investigated. Initially, based on field data analysis, the wear rate of strip was found to be strongly correlated with ambient humidity. Subsequently, a series tests of the strip was conducted, and the micromorphology was preformed post-tests, which indicated the evolution law of wear rate under different ambient humidity conditions. Finally, through grey relational analysis, it was observed that the degree of correlation between different influencing factors and wear rate at low humidity was greater than that at high humidity. Based on the findings of the aforementioned study, it is concluded that the abnormal wear of strip is caused by a decrease in ambient humidity.
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页数：15
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