Actions for Threshold Studies of Heated HMX-Based Energetic Material Targets Using the Steven Impact Test [electronic resource].

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Threshold Studies of Heated HMX-Based Energetic Material Targets Using the Steven Impact Test [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 2003.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
PDF-FILE: 7 ; SIZE: 0.5 MBYTES pages
Additional Creators
Lawrence Livermore National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Impact tests performed at low velocity on heated energetic material samples are of interest when considering the situation of energetic materials involved in a fire. To determine heated reaction thresholds, Steven Test targets containing PBX 9404 or LX-04 samples heated to the range of 150-170 C were impacted at velocities up to 150 m/s by two different projectile head geometries. Comparing these measured thresholds to ambient temperature thresholds revealed that the heated LX-04 thresholds were considerably higher than ambient, whereas the heated PBX 9404 thresholds were only slightly higher than the ambient temperature thresholds. The violence of reaction level of the PBX 9404 was considerably higher than that of the LX-04 as measured with four overpressure gauges. The varying results in these samples with different HMX/binder configurations indicate that friction plays a dominant role in reaction ignition during impact. This work outlines the experimental details, compares the thresholds and violence levels of the heated and ambient temperature experiments, and discusses the dominant mechanisms of the measured thresholds.
Report Numbers
E 1.99:ucrl-jc-152300
ucrl-jc-152300
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Note
Published through SciTech Connect.
07/01/2003.
"ucrl-jc-152300"
American Physical Society Topical Conference on Shock Compression of Condensed Matter, Portland, OR (US), 07/20/2003--07/25/2003.
Greenwood, D W; Vandersall, K S; Chidester, S K; Switzer, L L; Tarver, C M.
Funding Information
W-7405-ENG-48
View MARC record | catkey: 14062255