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

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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 j3.3 × 107 A/cm2 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.

Original languageEnglish
Article number060701
JournalPhysics of Plasmas
Volume23
Issue number6
DOIs
Publication statusPublished - 1 Jun 2016

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ASJC Scopus subject areas

  • Condensed Matter Physics

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