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

Autor:	Martin R. DeHaven, Jon L. Maienschein, Matthew A. McClelland, Peter C. Hsu
Rok vydání:	2006
Předmět:	Materials science Explosive material Permeability (electromagnetism) General Chemical Engineering Speed of sound Laminar flow General Chemistry Thermal treatment Composite material Material properties Porosity Porous medium
Zdroj:	Propellants, Explosives, Pyrotechnics. 31:56-60
ISSN:	1521-4087 0721-3115
Popis:	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.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::ea0be86bcbfa1a2545e7b51c1cecd510 https://doi.org/10.1002/prep.200600009 Zobrazit plný text záznamu Plný text