Electric Explosion of a Surface Carrying a Megaampere Current

— The formation of plasma on the surface of a current-carrying electrode of a high-current facility when a current flows through it with a linear density of up to 4 MA/cm and is coated with lead foil or ceramic is studied. The propagation velocity of a dense plasma from a stainless steel electrode i...

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Bibliographic Details
Published in:Plasma physics reports 2020-06, Vol.46 (6), p.604-610
Main Authors: Aleksandrov, V. V., Branitsky, A. V., Grabovski, E. V., Gribov, A. N., Gritsuk, A. N., Korolev, V. D., Laukhin, Ya. N., Mitrofanov, K. N., Oleinik, G. M., Predkova, E. I., Samokhin, A. A., Smirnov, V. P., Frolov, I. N., Shishlov, A. O.
Format: Article
Language:English
Subjects:
Atomic
Ceramic coatings
Coated electrodes
Dense plasmas
Electrodes
Electrons
Foils
Molecular
Optical and Plasma Physics
Physics
Physics and Astronomy
Plasma Diagnostics
Propagation velocity
Stainless steels
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Summary:— The formation of plasma on the surface of a current-carrying electrode of a high-current facility when a current flows through it with a linear density of up to 4 MA/cm and is coated with lead foil or ceramic is studied. The propagation velocity of a dense plasma from a stainless steel electrode is 2–10 km/s, and when the electrode is coated with lead, it is 1–6 km/s. In these experiments, there is no load typical for such facilities—a source of intense X-ray radiation. The plasma propagation from ceramic-coated electrodes starts 200 ns later than that for metal electrodes.
ISSN:1063-780X
1562-6938
DOI:10.1134/S1063780X2006001X