期刊
IEEE ACCESS
卷 8, 期 -, 页码 93857-93867出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2020.2994085
关键词
Surface resistance; Contact resistance; Rough surfaces; Surface roughness; Strain; Electrical contact resistance; cambered surface; finite-element (FE) method; electrical current line
资金
- National Natural Science Foundation of China [51377029, 51777039]
The electrical contact resistance of cambered surface contact is systematically studied by analytical solution and finite-element simulation. Two representative cambered surface contacts, namely sphere-plane contact and cylinder-plane contact are built and the distributions of electrical current lines profile and isopotential are compared explicitly. Subsequently, the effects of size parameters of cambered surface and mechanical load on contact resistance are evaluated over a large range of aspect ratios. Furthermore, dissimilarity between sphere-plane contact and cylinder-plane contact is deduced.
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