Study of Electric Explosion of Flat Micron-Thick Foils at Current Densities of (5−50)×108 A/cm2
- 1 February 2018
- journal article
- research article
- Published by Pleiades Publishing Ltd in Plasma Physics Reports
- Vol. 44 (2), 236-244
- https://doi.org/10.1134/s1063780x18020113
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) × 108 A/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. It is shown that the core of the exploded foil has a complicated time-varying structure.This publication has 39 references indexed in Scilit:
- Study of the strata formation during the explosion of a wire in vacuumPhysics of Plasmas, 2008
- Compact single and nested tungsten-wire-array dynamics at 14–19MA and applications to inertial confinement fusionPhysics of Plasmas, 2006
- Nanosecond electric explosion of a tungsten wire in different mediaPlasma Physics Reports, 2005
- Characteristics and scaling of tungsten-wire-array-pinch implosion dynamics at 20 MAPhysical Review E, 2005
- Measurements of the mass distribution and instability growth for wire-array Z-pinch implosions driven by 14–20 MAPhysics of Plasmas, 2005
- Current-induced implosion of a multiwire array as a radial plasma rainstormJournal of Experimental and Theoretical Physics, 2003
- Wire number breakthrough for high-power annular z pinches and some characteristics at high wire numberLaser and Particle Beams, 2001
- Effect of discrete wires on the implosion dynamics of wire array Z pinchesPhysics of Plasmas, 2001
- Experiments measuring the initial energy deposition, expansion rates and morphology of exploding wires with about 1 kA/wirePhysics of Plasmas, 2001
- The past, present, and future of Z pinchesPhysics of Plasmas, 2000