Study of thermal sensitivity and thermal explosion violence of energetic materials in the LLNL ODTX system

Incidents caused by fire and combat operations can heat energetic materials that may lead to thermal explosion and result in structural damage and casualty. Some explosives may thermally explode at fairly low temperatures (< 100 °C) and the violence from thermal explosion may cause significant da...

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Bibliographic Details
Published in:Journal of physics. Conference series 2014-01, Vol.500 (5), p.52019-6
Main Authors: Hsu, P C, Hust, G, Zhang, M X, Lorenz, T K, Reynolds, J G, Fried, L, Springer, H K, Maienschein, J L
Format: Article
Language:English
Subjects:
Casualties
Energetic materials
Explosions
Fires
Liquids
Low temperature
Pastes
Physics
Structural damage
Violence
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Summary:Incidents caused by fire and combat operations can heat energetic materials that may lead to thermal explosion and result in structural damage and casualty. Some explosives may thermally explode at fairly low temperatures (< 100 °C) and the violence from thermal explosion may cause significant damage. Thus it is important to understand the response of energetic materials to thermal insults. The One Dimensional Time to Explosion (ODTX) system at the Lawrence Livermore National Laboratory has been used for decades to measure times to explosion, threshold thermal explosion temperature, and determine kinetic parameters of energetic materials. Samples of different configurations (pressed part, powder, paste, and liquid) can be tested in the system. The ODTX testing can also provide useful data for assessing the thermal explosion violence of energetic materials. Recent ODTX experimental data are reported in the paper.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/500/5/052019