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Investigation of the Nanosecond Explosion of Thin Foils with Artificially Applied Surface Structure
— The first results of studying the electric explosion of thin aluminum foils of different thickness with an artificial relief created by laser engraving are described. The experiments were conducted on a BIN high-current pulsed generator (270 kA, 300 kV, 100 ns). Images of exploded foils placed in...
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Published in: | Plasma physics reports 2022-11, Vol.48 (11), p.1226-1235 |
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Main Authors: | , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | —
The first results of studying the electric explosion of thin aluminum foils of different thickness with an artificial relief created by laser engraving are described. The experiments were conducted on a BIN high-current pulsed generator (270 kA, 300 kV, 100 ns). Images of exploded foils placed in a returned current circuit (amplitude 80 kA) were obtained by X-ray projection radiography in the radiation of a hybrid X-pinch which was the main load of the generator. The influence of artificial relief on the resulting picture of the explosion is studied in foils both with a pronounced own structure and without it. It is shown that an artificial structure in the form of grooves perpendicular to the foil’s own structure and parallel to the current can substantially slow down the development of instabilities in the exploded foil. |
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ISSN: | 1063-780X 1562-6938 |
DOI: | 10.1134/S1063780X22600815 |