Thermal Damage on LX-04 Mock Material and Gas Permeability Assessment

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RM-04-BR, a mock material for the plastic-bonded HMX-based explosive LX-04, is characterized after being thermally damaged at 140 C and 190 C. We measured the following material properties before and after the thermal experiments: sample volume, density, sound speed, and gas permeability in the material. Thermal treatment of the mock material leads to de-coloring and insignificant weight loss. Sample expanded, resulting in density reductions of 1.0% to 2.5% at 140 C and 190 C, respectively. Permeability in the mock samples was found to increase from 10{sup -15} to 10{sup -16} m{sup 2}, as the porosity increased. The permeability measurements are ... continued below

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Hsu, P C; Dehaven, M; McClelland, M & Maienschein, J November 15, 2004.

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RM-04-BR, a mock material for the plastic-bonded HMX-based explosive LX-04, is characterized after being thermally damaged at 140 C and 190 C. We measured the following material properties before and after the thermal experiments: sample volume, density, sound speed, and gas permeability in the material. Thermal treatment of the mock material leads to de-coloring and insignificant weight loss. Sample expanded, resulting in density reductions of 1.0% to 2.5% at 140 C and 190 C, respectively. Permeability in the mock samples was found to increase from 10{sup -15} to 10{sup -16} m{sup 2}, as the porosity increased. The permeability measurements are well represented by the Blake-Kozeny equation for laminar flow through porous media. The results are similar to the gas permeability in PBX-9501 obtained by other researchers.

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  • Journal Name: Propellants, Explosives, Pyrotechnics; Journal Volume: 31; Journal Issue: 1

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  • Report No.: UCRL-JRNL-208099
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 888630
  • Archival Resource Key: ark:/67531/metadc885132

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  • November 15, 2004

Added to The UNT Digital Library

  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 2, 2016, 3:27 p.m.

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Hsu, P C; Dehaven, M; McClelland, M & Maienschein, J. Thermal Damage on LX-04 Mock Material and Gas Permeability Assessment, article, November 15, 2004; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc885132/: accessed September 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.