NDLI: The relationship between exploding wire expansion rates and wire material properties near the boiling temperature

Content Provider	IEEE Xplore Digital Library
Author	Chandler, K.M. Hammer, D.A. Sinars, D.B. Pikuz, S.A. Shelkovenko, T.A.
Copyright Year	1973
Abstract	The energy deposited by a submicrosecond, /spl sim/1-kA current pulse in a 25-/spl mu/m diameter metal wire prior to its explosion, correlates directly with the expansion rate of the wire after the explosion. Energy deposition by resistive heating is terminated by the formation of plasma around the wire and a collapse of the voltage along the wire, and is evidently facilitated by the desorption of gases from the wire and/or the evaporation of the wire material (or impurities within it) as it heats up. Data presented here implies that the relationship between materials with the lowest resistivities and high exploding wire expansion rates found in earlier work (D. B. Sinars et al. 2000) is a result of the reduced voltage delaying the gas breakdown along such wires. This, in turn, increases the energy deposited resistively in the wire before the current shifts to the surrounding plasma. If gas breakdown does not occur until close to the full vaporization energy is deposited in the wire, the expansion rate will be more rapid than if a small fraction of the vaporization energy is deposited before voltage collapse.
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	577
Ending Page	587
Page Count	11
File Size	403293
File Format	PDF
ISSN	00933813
Volume Number	30
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-04-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wire Material properties Breakdown voltage Plasma temperature Explosions Heating Plasma properties Plasma materials processing Gases Impurities
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

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