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Erosion of a copper cathode in a negative corona discharge

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Abstract

The pulsed-periodic regime of a negative corona (Trichel pulses) in atmospheric-pressure air, which leads to explosion emission mechanisms (ecton generation) of pointed cathode erosion, is investigated. The jet erosion process at the copper cathode is discovered, and micrometer dendritelike structures formed by erosion products returning to the cathode are detected.

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Authors and Affiliations

  1. Joint Institute of High Temperatures, Russian Academy of Sciences, ul. Izhorskaya 13/19, Moscow, 125412, Russia

    É. I. Asinovskiĭ, A. A. Petrov & I. S. Samoylov

  2. Moscow Institute of Physics and Technology, Institutskiĭ per. 9, Dolgoprudnyĭ, Moscow oblast, 141700, Russia

    A. A. Petrov

Authors
  1. É. I. Asinovskiĭ
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  2. A. A. Petrov
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  3. I. S. Samoylov
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Corresponding author

Correspondence to É. I. Asinovskiĭ.

Additional information

Original Russian Text © É. I. Asinovskiĭ, A.A. Petrov, I.S. Samoylov, 2008, published in Zhurnal Tekhnicheskoĭ Fiziki, 2008, Vol. 78, No. 2, pp. 137–139.

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Asinovskiĭ, É.I., Petrov, A.A. & Samoylov, I.S. Erosion of a copper cathode in a negative corona discharge. Tech. Phys. 53, 279–281 (2008). https://doi.org/10.1134/S1063784208020230

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  • DOI: https://doi.org/10.1134/S1063784208020230

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