电源连接器用形状记忆合金

Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts Pub Date : 1993-09-27 DOI:10.1109/HOLM.1993.489680

A. Oberg, S. Nilsson

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引用次数: 5

摘要

一项研究评估了形状记忆合金(SMA)作为动力致动器在电源连接器中的应用。这项工作包括三个部分:1)选择合适的候选人进行评估;2)选定SMA相关性能的实验室测试;3)所提功能的实验验证。研究结果如下:1)选择商用CuAlNi形状记忆合金作为螺栓电源连接器的主动执行器进行测试;2)根据预测，使用这种SMA垫圈作为主动执行器可以显著降低并稳定螺栓连接器中的接触电阻。

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Shape memory alloys for power connector applications

A study evaluating the use of a Shape Memory Alloy (SMA) as an active force actuator in power connectors has been conducted. The work consisted of three parts: 1) A selection of a suitable candidate for evaluation; 2) Laboratory testing of relevant properties of the selected SMA; 3) Experimental verification of the proposed function. The findings of the work are the following: 1) A commercial CuAlNi Shape Memory Alloy was selected to be tested as an active force actuator in bolted power connectors; 2) The use of such a SMA washer as an active force actuator significantly lowers and stabilises the contact resistance in a bolted connector, in accordance with the predictions.

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

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