Total ion current fraction in a hot refractory anode vacuum arc - art. no. 071501

被引：3
|
作者：
Beilis, II
Shashurin, A
Boxman, RL
Goldsmith, S
机构：
[1] Tel Aviv Univ, Elect Discharge & Plasma Lab, Dept Interdisciplinary Studies, Fleischman Fac Engn, IL-69978 Tel Aviv, Israel
[2] Tel Aviv Univ, Sch Phys & Astron, Raymond & Beverly Sackler Fac Exact Sci, IL-69978 Tel Aviv, Israel
来源：
APPLIED PHYSICS LETTERS | 2006年 / 88卷 / 07期
关键词：
D O I：
10.1063/1.2173714
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The total ion current in the radially expanded plasma of a hot refractory anode vacuum arc (HRAVA) was found to be larger than that measured in the conventional cathodic vacuum arc. The total ion current fraction f(i) increased during the transition from the initial cathode spot stage to the HRAVA stage. While the f(i) is independent of arc current in the range of 150-350 A and other arcing conditions in conventional arcs, the fraction increased with arc current in this current range in the HRAVA. The ion current fraction was found to be 50% larger for a 350 A HRAVA than the maximal value obtained previously in conventional cathodic arcs.
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页数：2
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