真空灭弧室CuCr触头材料的性能优化  

作　　者：何媛媛[1] 

机构地区：[1]辽宁铁道职业技术学院,辽宁锦州121000

出　　处：《科学技术创新》2019年第13期174-175,共2页Scientific and Technological Innovation

摘　　要：触头材料合金化的方法来改善CuCr触头材料在制备过程中产生的一些缺陷,细化晶粒,提高抗电弧烧蚀能力、开断能力及电寿命。本文通过对CuCr触头材料开断性能分析和重燃率的探讨,不断改进材料试验,总结影响真空开关管短路开断性能的几种因素,从而选用最佳的材料方案,提高产品性能。Alloying Method of Contact Material to Improve Some Defects of CuCr Contact Material in the Process of Preparing, refinement of grain, improving arc ablation resistance、breaking capacity and electrical life. In this paper, the interruption performance and reburning rate of CuCr contact material are discussed, and the material test is continuously improved,several factors affecting the short-circuit breaking performance of vacuum switching tubes are summarized, so as to select the best material scheme and improve the product performance.

关 键 词：真空灭弧室 RMF触头 熔焊 重燃 

分 类 号：TM561.5[电气工程—电器]