Charge distribution of ions in low-current vacuum-arc plasma View Full Text


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Article Info

DATE

2013-08

AUTHORS

G. A. Mesyats, E. M. Oks

ABSTRACT

The charge distribution of vacuum-arc ions has been investigated for the arc between copper electrodes at currents varied from 8 to 60 A (with the arc voltage increased from 21 to 24 V). Plasma contains copper ions with charge states from +1 to +4. The mean ion charge state increases from 2.15 to 2.24 (i.e., by only 4%) due to a small increase in the fractions of multiply charged ions (Cu2+ and Cu3+) in the total ion flux. This conclusion does not contradict that of the ecton model of vacuum-arc cathode spot, according to which the number of cells in the spot that are due to microexplosions on the cathode increases proportionally to the arc current. More... »

PAGES

687-689

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s1063785013080105

DOI

http://dx.doi.org/10.1134/s1063785013080105

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1020797024


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