Methods of controlled formation of instabilities during the electrical explosion of thin foils

Shelkovenko T. A.; Tilikin I. N.; Oginov A. V.; Mingaleev A. R.; Romanova V. M.; Pikuz S. A.

doi:10.1063/5.0146820

Volume 8 Issue 5

Sep. 2023

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Shelkovenko T. A., Tilikin I. N., Oginov A. V., Mingaleev A. R., Romanova V. M., Pikuz S. A.. Methods of controlled formation of instabilities during the electrical explosion of thin foils[J]. Matter and Radiation at Extremes, 2023, 8(5): 055601. doi: 10.1063/5.0146820

Citation:

Shelkovenko T. A., Tilikin I. N., Oginov A. V., Mingaleev A. R., Romanova V. M., Pikuz S. A.. Methods of controlled formation of instabilities during the electrical explosion of thin foils[J]. Matter and Radiation at Extremes, 2023, 8(5): 055601. doi: 10.1063/5.0146820

Citation:

Shelkovenko T. A., Tilikin I. N., Oginov A. V., Mingaleev A. R., Romanova V. M., Pikuz S. A.. Methods of controlled formation of instabilities during the electrical explosion of thin foils[J]. Matter and Radiation at Extremes, 2023, 8(5): 055601. doi: 10.1063/5.0146820

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Methods of controlled formation of instabilities during the electrical explosion of thin foils

doi: 10.1063/5.0146820

P. N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow, Russia

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Corresponding author: a)Author to whom correspondence should be addressed: ivan.tilikin@gmail.com
Received Date: 2023-02-16
Accepted Date: 2023-06-18

Available Online: 2023-09-01

Publish Date: 2023-09-01

Abstract

Abstract

The results of a study of the electrical explosion of aluminum foils with an artificial periodic surface structure created by laser engraving are presented. Experiments were carried out on pulsed high-current generators BIN (270 kA, 300 kV, 100 ns) and KING (200 kA, 40 kV, 200 ns) with Al foil of thicknesses 16 and 4 μm, respectively. Images of the exploded foils were recorded by point projection radiography in the radiation from hybrid X-pinches. It is found that the application of an artificial periodic structure to the foil leads to a much more uniform and well-defined periodic structure of the exploded foil. Images recorded in the UV range using a microchannel-plate-intensified detector show that the radiation from a surface-modified foil is more uniform along the entire length and width of the foil than that from a foil without modification.

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References(22)

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