镀锡触点微动腐蚀的显微研究

Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts Pub Date : 2007-09-24 DOI:10.1109/HOLM.2007.4318220

T. Ito, Y. Hattori, K. Iida, Y. Saitoh

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引用次数: 11

摘要

近年来，由于电子设备的体积越来越大，为了乘客的舒适度，汽车中分配给电子设备的安装空间越来越小，因此对汽车中线束连接器的小型化需求越来越大。在本报告中，我们制作了接触电阻增加的连接器的微动测试样品，并使用扫描电子显微镜(SEM)和透射电子显微镜(TEM)和显微硬度测量分析了接触点的横截面。在观察和测量结果的基础上，考虑了不同微动周期接触微观结构的变化。

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Microscopy Study of Fretting Corrosion of Tin Plated Contacts

In recent years, there has been increasing demand to miniaturize wiring harness connectors in automobiles due to the increasing volume of electronic equipment and the reduction of the installation space allocated for the electronic equipment in cars for the comfort of the passengers. In this report, we made fretting test samples of connectors for which contact resistance had increased and analyzed the cross-section of the contact points using scanning electron microscopy (SEM) and transmission electron microscopy (TEM) and micro hardness measurement. Based on the observation and measurement results, we considered the change of the contact microstructure for various fretting cycles.

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Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts

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