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Abstract <p>We provided the methodology and results of a study on the ion plasma flow of a high-current vacuum arc. The arc was powered by a pulse with an amplitude of up to 12 kV (13.5 kA) and a duration of 13 µs (FWHM). The discharge was created in a flat axisymmetric electrode arrangement with a copper cylindrical cathode and a molybdenum anode. Small collector sensors were used to obtain ion current density diagrams as a function of angle and time. The dependence of ion current density on the diameter of the cathode is shown.</p>

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Ion Flow of a High-Current Pulsed Vacuum Arc: Influence of Average Current Density

  • 期刊论文

  • 发表日期：

    2025年9月1日

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  • P. S. Mikhailov,
  • I. L. Muzyukin,
  • I. V. Uimanov,
  • D. L. Shmelev,
  • Yu. A. Zemskov

摘要

Abstract

We provided the methodology and results of a study on the ion plasma flow of a high-current vacuum arc. The arc was powered by a pulse with an amplitude of up to 12 kV (13.5 kA) and a duration of 13 µs (FWHM). The discharge was created in a flat axisymmetric electrode arrangement with a copper cylindrical cathode and a molybdenum anode. Small collector sensors were used to obtain ion current density diagrams as a function of angle and time. The dependence of ion current density on the diameter of the cathode is shown.