Study of Electric Explosion of Flat Micron-Thick Foils at Current Densities of (5–50)×108A/cm2
Abstract
Electric explosions of flat Al, Тi, Ni, Cu, and Та foils with thicknesses of 1–16 μm, widths of 1–8 mm, and lengths of 5–11 mm were studied experimentally on the BIN, XP, and COBRA high-current generators at currents of 40–1000 kA and current densities of (5–50) × 108A/cm2. The images of the exploded foils were taken at different angles to the foil surface by using point projection radiography with an X-pinch hot spot as the radiation source, the spatial resolution and exposure time being 3 μm and 50 ps, respectively, as well by the laser probing method with a spatial resolution of 20 μm and an exposure time of 180 ps. In the course of foil explosion, rapidly expanding objects resembling the core and corona of an exploded wire were observed. To this end, it is shown that the core of the exploded foil has a complicated time-varying structure.
- Authors:
-
- Russian Academy of Sciences (RAS), Moscow (Russian Federation)
- Cornell Univ., Ithaca, NY (United States)
- Publication Date:
- Research Org.:
- Cornell Univ., Ithaca, NY (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1499646
- Grant/Contract Number:
- NA0001836; NA0003764
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Plasma Physics Reports
- Additional Journal Information:
- Journal Volume: 44; Journal Issue: 2; Journal ID: ISSN 1063-780X
- Publisher:
- Pleiades Publishing
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY
Citation Formats
Shelkovenko, T. A., Pikuz, S. A., Tilikin, I. N., Mingaleev, A. R., Atoyan, L., and Hammer, D. A. Study of Electric Explosion of Flat Micron-Thick Foils at Current Densities of (5–50)×108A/cm2. United States: N. p., 2018.
Web. doi:10.1134/S1063780X18020113.
Shelkovenko, T. A., Pikuz, S. A., Tilikin, I. N., Mingaleev, A. R., Atoyan, L., & Hammer, D. A. Study of Electric Explosion of Flat Micron-Thick Foils at Current Densities of (5–50)×108A/cm2. United States. https://doi.org/10.1134/S1063780X18020113
Shelkovenko, T. A., Pikuz, S. A., Tilikin, I. N., Mingaleev, A. R., Atoyan, L., and Hammer, D. A. Sat .
"Study of Electric Explosion of Flat Micron-Thick Foils at Current Densities of (5–50)×108A/cm2". United States. https://doi.org/10.1134/S1063780X18020113. https://www.osti.gov/servlets/purl/1499646.
@article{osti_1499646,
title = {Study of Electric Explosion of Flat Micron-Thick Foils at Current Densities of (5–50)×108A/cm2},
author = {Shelkovenko, T. A. and Pikuz, S. A. and Tilikin, I. N. and Mingaleev, A. R. and Atoyan, L. and Hammer, D. A.},
abstractNote = {Electric explosions of flat Al, Тi, Ni, Cu, and Та foils with thicknesses of 1–16 μm, widths of 1–8 mm, and lengths of 5–11 mm were studied experimentally on the BIN, XP, and COBRA high-current generators at currents of 40–1000 kA and current densities of (5–50) × 108A/cm2. The images of the exploded foils were taken at different angles to the foil surface by using point projection radiography with an X-pinch hot spot as the radiation source, the spatial resolution and exposure time being 3 μm and 50 ps, respectively, as well by the laser probing method with a spatial resolution of 20 μm and an exposure time of 180 ps. In the course of foil explosion, rapidly expanding objects resembling the core and corona of an exploded wire were observed. To this end, it is shown that the core of the exploded foil has a complicated time-varying structure.},
doi = {10.1134/S1063780X18020113},
journal = {Plasma Physics Reports},
number = 2,
volume = 44,
place = {United States},
year = {Sat Mar 10 00:00:00 EST 2018},
month = {Sat Mar 10 00:00:00 EST 2018}
}
Web of Science
Figures / Tables:
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Figures / Tables found in this record: