Electrical Contact Resistance of Coated Spherical Contacts

被引：22
|
作者：
Ren, Wanbin [1 ]
Chen, Yu [1 ]
Wang, Zhaobin [2 ]
Xue, Shengjun [1 ]
Zhang, Xu [1 ]
机构：
[1] Harbin Inst Technol, Sch Elect Engn & Automat, Harbin 150001, Peoples R China
[2] Jiangsu Univ Sci & Technol, Sch Elect & Informat, Zhenjiang 212003, Peoples R China
来源：
IEEE TRANSACTIONS ON ELECTRON DEVICES | 2016年 / 63卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Coating; contact radius; contact resistance; electrical contact; spreading resistance; CONSTRICTION RESISTANCE; SPREADING RESISTANCE;
D O I：
10.1109/TED.2016.2612545
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The electrical contact resistance of two spherical contacts with coating is studied by using analytical method and finite-element method simulation software. The effects of contact radius, coating thickness, and the ratio of substrate to coating in electrical resistivity are evaluated over a large range of aspect ratios. The total electrical contact resistance could comprise three components of resistance, that is, the spreading resistance, the transition resistance, and the bulk resistance. Subsequently, the correlations of normalized spreading resistance, total contact resistance, and normalized contact radius are calculated and compared with the classical Holm theory.
引用
收藏
页码：4373 / 4379
页数：7
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