Metastable nanosized aluminum powder as a reactant in energetic formulations

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Aluminum powder is an important ingredient in many propellant, explosives and pyrotechnic applications. The production of nanosized aluminum powder by the electroexplosion of metal wire has been practices in the former USSR since the mid 1970`s. Differential scanning calorimetry, differential thermal analysis and x-ray phase analysis was performed on aluminum powder both before and after air passivation, as well as aluminum that was protected under kerosene, pentane, toluene and hexane. Earlier Soviet reports of unexplained thermal releases and metastable behavior have been investigated. Anomalous behavior previously reported included phase transformations at temperatures far below melting with the release of heat ... continued below

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7 p.

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Katz, J.; Tepper, F.; Ivanov, G.V.; Lerner, M.I. & Davidovich, V. December 1, 1998.

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Description

Aluminum powder is an important ingredient in many propellant, explosives and pyrotechnic applications. The production of nanosized aluminum powder by the electroexplosion of metal wire has been practices in the former USSR since the mid 1970`s. Differential scanning calorimetry, differential thermal analysis and x-ray phase analysis was performed on aluminum powder both before and after air passivation, as well as aluminum that was protected under kerosene, pentane, toluene and hexane. Earlier Soviet reports of unexplained thermal releases and metastable behavior have been investigated. Anomalous behavior previously reported included phase transformations at temperatures far below melting with the release of heat and chemoluminescence and self sintering of particles with a heat release large enough to melt the powders.

Physical Description

7 p.

Notes

OSTI as DE99001248

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  • 1998 JANNAF propulsion meeting, Cleveland, OH (United States), 15-17 Jul 1998

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  • Other: DE99001248
  • Report No.: LA-UR--98-2516
  • Report No.: CONF-980780--
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 296678
  • Archival Resource Key: ark:/67531/metadc676651

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  • December 1, 1998

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • May 20, 2016, 2:56 p.m.

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Katz, J.; Tepper, F.; Ivanov, G.V.; Lerner, M.I. & Davidovich, V. Metastable nanosized aluminum powder as a reactant in energetic formulations, article, December 1, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc676651/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.