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Title: Structural and phase transformations in zinc and brass wires under heating with high-density current pulse

Abstract

The work is focused on revealing the mechanism of structure and phase transformations in the metal wires under heating with a high-density current pulse (the electric explosion of wires, EEWs). It has been demonstrated on the example of brass and zinc wires that the transition of a current pulse with the density of j ≈ 3.3 × 10{sup 7} A/cm{sup 2} results in homogeneous heating of the crystalline structure of the metal/alloy. It has been determined that under heating with a pulse of high-density current pulse, the electric resistance of the liquid phases of zinc and brass decreases as the temperature increases. The results obtained allow for a conclusion that the presence of the particles of the condensed phase in the expanding products of EEW is the result of overheating instabilities in the liquid metal.

Authors:
 [1]
  1. Laboratory of Physical Chemistry of Ultrafine Materials, Institute of Strength Physics and Materials Science, 2/4, pr. Akademicheskii, 634021 Tomsk, Russia and Department of High Voltage Electrophysics and High Current Electronics, Tomsk Polytechnic University, 30 Lenin Avenue, 634050 Tomsk (Russian Federation)
Publication Date:
OSTI Identifier:
22598963
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 23; Journal Issue: 6; Other Information: (c) 2016 Author(s); Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; BRASS; CURRENT DENSITY; DENSITY; EXPLOSIONS; HEATING; INSTABILITY; LIQUID METALS; PARTICLES; PHASE TRANSFORMATIONS; PULSES; WIRES; ZINC

Citation Formats

Pervikov, A. V.. Structural and phase transformations in zinc and brass wires under heating with high-density current pulse. United States: N. p., 2016. Web. doi:10.1063/1.4953418.
Pervikov, A. V.. Structural and phase transformations in zinc and brass wires under heating with high-density current pulse. United States. doi:10.1063/1.4953418.
Pervikov, A. V.. Wed . "Structural and phase transformations in zinc and brass wires under heating with high-density current pulse". United States. doi:10.1063/1.4953418.
@article{osti_22598963,
title = {Structural and phase transformations in zinc and brass wires under heating with high-density current pulse},
author = {Pervikov, A. V.},
abstractNote = {The work is focused on revealing the mechanism of structure and phase transformations in the metal wires under heating with a high-density current pulse (the electric explosion of wires, EEWs). It has been demonstrated on the example of brass and zinc wires that the transition of a current pulse with the density of j ≈ 3.3 × 10{sup 7} A/cm{sup 2} results in homogeneous heating of the crystalline structure of the metal/alloy. It has been determined that under heating with a pulse of high-density current pulse, the electric resistance of the liquid phases of zinc and brass decreases as the temperature increases. The results obtained allow for a conclusion that the presence of the particles of the condensed phase in the expanding products of EEW is the result of overheating instabilities in the liquid metal.},
doi = {10.1063/1.4953418},
journal = {Physics of Plasmas},
number = 6,
volume = 23,
place = {United States},
year = {Wed Jun 15 00:00:00 EDT 2016},
month = {Wed Jun 15 00:00:00 EDT 2016}
}