Journal
JOURNAL OF COMPOSITE MATERIALS
Volume 56, Issue 26, Pages 3949-3956Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/00219983221125904
Keywords
Explosives; polymer-matrix composites; split Hopkinson pressure bar; dynamic compression; surrogate; multiscale; strain rate
Categories
Funding
- US Department of Energy through the Los Alamos National Laboratory
- National Nuclear Security Administration of U.S. Department of Energy [89233218CNA000001]
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Inert simulant materials are commonly used in non-detonative tests to reduce hazards. A recent study found that the molecular crystal idoxuridine (IDOX) is an ideal mock for the explosive polymer-matrix composite PBX 9501, and performs well in various mechanical environments.
Inert simulant materials, or mocks, are often used as surrogates for plastic-bonded explosives (PBX) in non-detonative tests in order to mitigate hazards. Mocks should reproduce as many non-detonative properties of the explosive as possible, including structural behavior in a variety of thermal and mechanical environments. Recently, the molecular crystal idoxuridine (IDOX) has been identified as an ideal mock for the main component in the explosive polymer-matrix composite PBX 9501, and has performed favorably under quasistatic loading conditions. Here, in order to assess robustness over a range of mechanical environments, plastic-bonded IDOX was compression tested from 0.001/s to 2000/s strain rates and compared to PBX 9501 historical data. Plastic-bonded IDOX showed good agreement to PBX 9501 across these strain rates, justifying continued development and production as a mock.
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