作　　者： ; ; ; ; ;

机构地区： 北京工业大学材料科学与工程学院新型功能材料教育部重点实验室

出　　处： 《功能材料》 2010年第12期2041-2044,共4页

摘　　要： 超导材料的临界电流特性是材料最主要的特性之一,总结了在工程测量中临界电流的定义与判别方法;简要概括了目前5种超导临界电流的测量方法与原理;讨论了各种方法的适用范围、测量条件、测量参量、测量结果以及测量精度和测量过程能得到的材料的其它信息;把几种测量方法作了总结对比,为选择超导材料电流测量方案提供参考。 The critical current characteristic of superconducting material is one of the main characteristics of this kind of materials.The critical current is defined and identified in different modes in the engineering survey were summarized,and the distinguishing parameters were given.The current five superconducting critical current measurement methods and principles were introduced.The applicable material types,measuring conditions,measuring parameters,measuring results,measuring precision and measurement process can get the material＇s other informations of the five measurement methods were discussed briefly.The five methods were compared together,it is can be used to choose the aptitude way to measure the superconductor critical current.

关 键 词： 临界电流 电输运法 磁测量法 直流交流叠加法

领　　域： [电气工程] [一般工业技术] [天文地球] [一般工业技术]