Influence of mechanical design parameters on electrical contact performance
Influence of mechanical design parameters on electrical contact performance
复制标题
机械设计参数对电接触性能的影响
DOI：
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复制
发表时间：
1989
期刊：
影响因子：
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通讯作者：
A. Oberg
中科院分区：
文献类型：
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作者：
Karl;A. Oberg
Long-time service data as well as data from current cycle testing on electrical contact resistance have been analyzed with respect to mechanical design parameters. The importance of the pressure distribution over the contact surface was studied for a constant surface force. The mechanical stresses acting over the contact surface have been calculated by the finite-element method for the type of contact investigated. It is found that a high specific contact pressure promotes lower contact resistance and favors their long-time stability. The pressure distribution on the contact surface has a significant influence on the aging properties of the connectors studied. It was confirmed that the aging behavior is strongly affected by the preparation methods. The aging mechanisms detected on the contact surfaces studied are fretting and formation of intermetallic phases.<<ETX>>
