X-ray radiography of aluminum cathodes eroded in high-current vacuum arcs

被引：6
|
作者：
Rousskikh, A. G. [1 ]
Fedyunin, A., V [1 ]
Artyomov, A. P. [1 ]
Zhigalin, A. S. [1 ]
Oreshkin, V., I [1 ,2 ]
机构：
[1] RAS, SB, Inst High Current Elect, Tomsk, Russia
[2] Natl Res Tomsk Polytech Univ, Tomsk, Russia
来源：
CURRENT APPLIED PHYSICS | 2019年 / 19卷 / 06期
基金：
俄罗斯基础研究基金会;
关键词：
Vacuum arc; Radiography; X pinch; ION FLUX; RADIATION; SPOTS; PINCH;
D O I：
10.1016/j.cap.2019.03.015
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The aim of the study presented in this paper was to characterize quantitatively the erosion of aluminum cathodes in high-current vacuum arcs. The experimental setup comprised two current generators. The first one, capable of generating a current of amplitude up to 350 kA, was used to produce a plasma jet, that is, the object to be investigated. The second generator was used to produce a source of probe radiation for imaging the object under investigation in soft x rays of energy hv approximate to 0.5-3 keV. The findings of the study are based on experimental data obtained by electrophysical and radiographic methods. It has been shown that the cathode erosion rate in a high-current vacuum arc is a function of the charge passed through the cathode.
引用
收藏
页码：704 / 708
页数：5
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