Year: 2009
Type: conference-paper
Abstract: We conducted thermal damage experiments at 180° C on PBXN‐9 and characterized its material properties. Volume expansion at high temperatures was very significant which led to a reduction in material density. 2.6% of weight loss was observed, which was higher than other HMX‐based formulations. Porosity of PBXN‐9 increased to 16% after thermal exposure. Small‐scale safety tests (impact, friction, and spark) showed no significant sensitization when the damaged samples were tested at room temperature. Gas permeation measurements showed that gas permeability in damaged materials was several orders of magnitude higher than that in pristine materials. In‐situ measurements of gas permeability and density were proved to be possible at higher temperatures.
Source: AIP conference proceedings
DOI: 10.1063/1.3295168
Institution: Lawrence Livermore National Laboratory
Language: English
Subfield: Mechanics of Materials
Field: Engineering
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W2001582656