继电器触头材料检测方法研究  

Research on Testing Methods for Electrical Contact Material of Relay

作　　者：臧春艳[1] 何俊佳[1] 张谷[1] 

机构地区：[1]华中科技大学电气与电子工程学院,湖北武汉430074

出　　处：《低压电器》2010年第18期1-4,53,共5页Low Voltage Apparatus

基　　金：第45批中国博士后科学基金面上资助项目(20090450917)

摘　　要：介绍了继电器对触头材料的性能要求和国内外触头材料的研发现状,列举了材料密度、硬度和电阻率等基本物理特性,以及金相的常见检测方法,比较了我国触头材料检测技术与国外的差距,进行了航天继电器用AgSnO2触头的密度、硬度、电阻率及金相检测试验,并对试验结果进行了分析。The performance requirements on the electrical material for relay,as well as the development status of the electrical material at home and abroad were introduced.Some common testing methods on a few basic physical parameters such as density,hardness,electrical resistivity and metallography were listed.The testing experiments on the AgSnO2 electrical contacts of aerospace relay was did,while the experiment results were analyzed.

关 键 词：继电器 触头 材料检测 

分 类 号：TM58[电气工程—电器] TM504