{"title":"Shape memory alloys for power connector applications","authors":"A. Oberg, S. Nilsson","doi":"10.1109/HOLM.1993.489680","DOIUrl":null,"url":null,"abstract":"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.","PeriodicalId":11624,"journal":{"name":"Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts","volume":"456 1","pages":"225-228"},"PeriodicalIF":0.0000,"publicationDate":"1993-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/HOLM.1993.489680","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
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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