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Volume 34 Issue 3
Jun 2020
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Chinese Journal of High Pressure Physics  > 2020  >  34(3): 033403.
YANG Shuqi, ZHANG Xu, PENG Wenyang, SHU Junxiang, QIN Shuang, ZHONG Bin. Impact Initiation Characteristics of TATB Based Insensitive Explosives Mixed with HMX by Electromagnetic Velocity Gauges[J]. Chinese Journal of High Pressure Physics, 2020, 34(3): 033403. doi: 10.11858/gywlxb.20190852
Citation: YANG Shuqi, ZHANG Xu, PENG Wenyang, SHU Junxiang, QIN Shuang, ZHONG Bin. Impact Initiation Characteristics of TATB Based Insensitive Explosives Mixed with HMX by Electromagnetic Velocity Gauges[J]. Chinese Journal of High Pressure Physics, 2020, 34(3): 033403. doi: 10.11858/gywlxb.20190852
shu

Impact Initiation Characteristics of TATB Based Insensitive Explosives Mixed with HMX by Electromagnetic Velocity Gauges

doi: 10.11858/gywlxb.20190852

  • Institute of Fluid Physics, CAEP, Mianyang 621999, Sichuan, China

  • Received Date: 01 Nov 2019
  • Rev Recd Date: 12 Nov 2019
    Abstract
  • In order to study the growth law of the impact initiation reaction of high energy insensitive PBX-3explosive based on tri-amino-tri-nitro-benzene (TATB), containing a small amount of Oktokin (HMX), a one-dimensional plane impact test was carried out by the artillery-driven sapphire flyer method and the aluminum-based embedded multiple electromagnetic particle velocity gauge technique. The Hugoniot relationship of the unreacted PBX-3 explosive was obtained by measuring the velocity of the explosive on the surface and different depths inside. The x-t of the explosive to the detonation time versus distance was established by the data measured by the shock wave tracer, and the Pop-plot reflecting the explosive initiation performance of the explosive was obtained. Six speed-to-detonation speed curves with an incident pressure of 12.964 GPa were trimmed to the same zero point. The time and width of the chemical reaction zone were obtained by reading the separation point of the six curves (the C-J point at the end of the reaction zone).

     

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