Law of reaction growth of shock initiation on the TATB &nbsp;based insensitive explosive JB-9014

ZHANG Qimin; ZHANG Xu; ZHAO Kang; SHU Junxiang; ZHANG Rong; ZHONG Bin

doi:10.11883/bzycj-2018-0050

Volume 39 Issue 4

Mar. 2019

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Article Navigation > Explosion And Shock Waves > 2019 > 39(4): 041405

ZHANG Qimin, ZHANG Xu, ZHAO Kang, SHU Junxiang, ZHANG Rong, ZHONG Bin. Law of reaction growth of shock initiation on the TATB based insensitive explosive JB-9014[J]. Explosion And Shock Waves, 2019, 39(4): 041405. doi: 10.11883/bzycj-2018-0050

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ZHANG Qimin, ZHANG Xu, ZHAO Kang, SHU Junxiang, ZHANG Rong, ZHONG Bin. Law of reaction growth of shock initiation on the TATB based insensitive explosive JB-9014[J]. Explosion And Shock Waves, 2019, 39(4): 041405. doi: 10.11883/bzycj-2018-0050

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Law of reaction growth of shock initiation on the TATB based insensitive explosive JB-9014

doi: 10.11883/bzycj-2018-0050

1.
Graduate School of China Academy of Engineering Physics, Mianyang 621999, Sichuan, China;
2.
Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621999, Sichuan, China

Received Date: 2018-02-06
Rev Recd Date: 2018-05-09

Available Online: 2019-03-25

Publish Date: 2019-04-01

Abstract

Abstract

To find out about the patterns and regularities of the reaction growth of shock initiation on JB-9014 explosives, using aluminum-based multiple EMV, we conducted six one-dimensional planar impact experiments in the gun-power platform. Under different initial pressures (11.33−14.18 GPa), we measured the particle velocity versus time u_p(t) and wave-profiles in the JB-9014 explosive at 9 different distances from the impact plane, and recorded the position of the shock front with time x(t), successfully fitting the unreacted explosive JB-9014 Hugoniot relation. Furthermore, we obtained the time and distance to detonation are estimated according to both the wave-profiles and the x(t) trajectories from the shock wave tracker gauges.
- JB-9014 explosive,
- aluminum-based embedded electromagnetic particle velocity gauge,
- particle velocity profile,
- shock Hugoniot,
- Pop-plot

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References(10)

References

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