锡在高温下的微动腐蚀

Electrical Contacts, 1988., Proceedings of the Thirty Fourth Meeting of the IEEE Holm Conference on Electrical Contacts Pub Date : 1900-01-01 DOI:10.1109/HOLM.1988.16101

A. Lee, A. Mao, M. Mamrick

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引用次数: 46

摘要

研究了一种镀锡铜合金在高达110℃温度范围内的微动腐蚀。基于接触电阻(CR)特性和扫描电镜检查的结果显示，室温腐蚀结果在高温下不成立。具体而言，腐蚀速率和CR特性的统计散点具有很强的温度依赖性。当温度为60 ~ 85℃时，Cr的上升速度加快了几倍，而在此温度范围之外，腐蚀速度明显变慢。

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Fretting corrosion of tin at elevated temperatures

Fretting corrosion of a tin-plated copper alloy was investigated over the temperature range up to 110 degrees C using a dimple-flat contact configuration. Results, based on contact resistance (CR) characteristics and scanning electron microscopy examination, revealed that room temperature corrosion results are not valid at elevated temperatures. Specifically, the corrosion rate as well as the statistical scatter of the CR characteristics have a strong temperature dependence. For temperatures of 60-85 degrees C, the Cr rose several times faster, while, outside this temperature range, the corrosion rate was significantly slower.<>

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来源期刊

Electrical Contacts, 1988., Proceedings of the Thirty Fourth Meeting of the IEEE Holm Conference on Electrical Contacts

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