Contact welding is considered the major failure mechanism for electromechanical switch applications. There has been increasing demand to research the measurement method to characterize the anti-welding ability of metal electrode materials. In this paper, the contact welding phenomenon of closed electrodes is made to reoccur by using our novel designed test rig. The welding strength and welding area of typical electrode materials, including silver, copper, silver tin oxide, and silver nickel alloy, are explicitly measured and compared. In addition, the effects of electrical current and mechanical load force on welding strength and welding trace are presented. The calculation method of the threshold welding current is introduced for elastic contact situation in low current switching devices.

中文翻译：

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传导涌流的金属电极材料的接触焊接强度测量

接触焊接被认为是机电开关应用的主要故障机制。越来越需要研究表征金属电极材料抗焊接能力的测量方法。在本文中，通过使用我们新设计的试验台，使闭合电极的接触焊接现象重现。对银、铜、银氧化锡和银镍合金等典型电极材料的焊接强度和焊接面积进行了明确的测量和比较。此外，还介绍了电流和机械负载力对焊接强度和焊接痕迹的影响。介绍了小电流开关装置弹性接触情况下焊接阈值电流的计算方法。