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

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

doi:10.1063/5.0146820

Volume 8 Issue 5

Sep. 2023

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

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

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