MATEC Web Conf.
Volume 243, 2018XIV International Workshop High Energy and Special Materials: Demilitarization, Antiterrorism and Civil Application (HEMs-2018)
|Number of page(s)||5|
|Published online||05 December 2018|
Detonation propagation along percolating cluster in composite explosives
1 Institute for Problems of Chemical and Energetic Technologies, SB RAS, Biysk, Russia
2 AO Federal Research & Production Center ALTAI, Biysk, Russia
* Corresponding author: firstname.lastname@example.org
The detonation performance of melt-cast plastic-bonded explosives (PBXs) based on high melting explosive octogen (HMX) was studied in the paper. It has been found that the detonation velocity strongly depends from the dispersion distribution of HMX particles: it changes from 7800 to 8700 m/s. We explain this by the possibility of detonation propagation in PBX through different mechanisms, including detonation front propagation along a percolating cluster formed by filler particles. Thus, varying the particle size distribution can bring about one detonation mechanism or another and hence control the energy release dynamics of melt-cast PBXs to attain high efficiency in practice. Experimental results confirm the assumptions.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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