Cathode spot motion in a vacuum arc with a long roof-shaped cathode under magnetic field

Vacuum arc cathode spot motion was investigated on a “roof-shaped” aluminum cathode under an external magnetic field. The cathode included a flat roof-top and four sloped sides, inclined by an angle α. A high speed camera was used to observe cathode spot motion. The spot velocity on the slopes and t...

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Published in:Journal of applied physics 2015-06, Vol.117 (23)
Main Authors: Beilis, I. I., Sagi, B., Zhitomirsky, V., Boxman, R. L.
Format: Article
Language:English
Subjects:
Aluminum
Applied physics
Cathodes
Flat roofs
High speed cameras
Magnetic fields
Magnetism
Plasma
Slopes
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creator Beilis, I. I.
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Boxman, R. L.
description Vacuum arc cathode spot motion was investigated on a “roof-shaped” aluminum cathode under an external magnetic field. The cathode included a flat roof-top and four sloped sides, inclined by an angle α. A high speed camera was used to observe cathode spot motion. The spot velocity on the slopes and the distribution of cathode spots on the roof and slopes was determined. It was obtained that under a magnetic field, the spot motion on the roof was slow (
doi_str_mv 10.1063/1.4922862
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source American Institute of Physics:Jisc Collections:Transitional Journals Agreement 2021-23 (Reading list)
subjects Aluminum
Applied physics
Cathodes
Flat roofs
High speed cameras
Magnetic fields
Magnetism
Plasma
Slopes
title Cathode spot motion in a vacuum arc with a long roof-shaped cathode under magnetic field
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