关键词: 光谱特征, 空心阴极, 真空电弧焊接

Abstract: On the basis of water-cooled copper anode, the results of hollow cathode vacuum arc spectrum distribution and cross-section along the arc length are presented. The spectrum structrues are analysed. Also, the potential investigation on hollow cathode vacuum arc are proposed.

Key words: Vacuum arc, Hollow cathode, Spectral characteristics