Cathode Erosion in Vacuum Arcs and Unipolar Arcs

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1981 English Publisher:WileyJournal:Beiträge aus der Plasmaphysik, volume 21, pages 127-134 (issn: 0005-8025,

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Authors: Nuernberg, A.; Bauder, U.; Mooser, C.; Behrisch, R.;

doi: 10.1002/ctpp.19810210207

handle: 11858/00-001M-0000-0028-A3F0-0

Cathode Erosion in Vacuum Arcs and Unipolar Arcs

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Abstract

AbstractThe cathode spots from vacuum arcs on 316 stainless steel are compared with the tracks found on the same material after exposure to the plasma of the tokamak TFR 600. Further the erosion yields of vacuum arc cathodes of 316 stainless steel and titanium are determined from experiments and the measured values are compared with theoretical estimates. The velocity of the arc is investigated as a function of the applied magnetic cross‐field. The scatter of both, the velocity data and the erosion yields is substantial. Improved experiments are planned.

Related Organizations

Ludwig-Maximilians-Universität München
Germany
Technical University of Munich
Germany
Max Planck Society
Germany
Max Planck Institute for Plasma Physics
Germany

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