摘要
综述了钨热电子发射用阴极材料的组成特点及应用,介绍了几种钨阴极材料常用的掺杂工艺,讨论了影响钨阴极性能的因素,展望了今后的研究方向。
The properties and application of tungsten hot cathode materials were reviewed in detail. Several commonly used doping processes were introduced. The factors influencing the properties of tungsten cathodes were discussed, and the development direction of tungsten hot cathode materials was also proposed.
出处
《粉末冶金工业》
CAS
北大核心
2014年第4期55-61,共7页
Powder Metallurgy Industry
关键词
钨阴极
电子发射
掺杂
性能
tungsten cathode
electron emission
doping
property
