Comparative analysis of physical mechanisms of detonation initiation in HMX and in a low-sensitive explosive (TATB) |
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Authors: | K F Grebenkin |
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Affiliation: | (1) Zababakhin Institute of Technical Physics, Russian Federal Nuclear Center, Snezhinsk, 456770, Russia |
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Abstract: | Based on the concept of hot spots, the basic physical factors determining the macrokinetics of chemical reactions in heterogeneous
crystalline explosives are estimated. The macrokinetics in plasticized TATB is shown to be basically determined by the velocity
of combustion propagation from microscopic reaction spots (hot spots), whereas the macrokinetics in plasticized HMX is determined
by the density of hot spots.
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Translated from Fizika Goreniya i Vzryva, Vol. 45, No. 1, pp. 89‐99, January–February, 2009. |
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Keywords: | detonation macrokinetic reaction rate TATB HMX hot spots initiation shock sensitivity |
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