Volume 36 Issue 3
May. 2022
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CHONG Tao, ZHANG Zhaohui, WANG Guilin, FU Hua, LI Tao, SUI Zhilei, ZHENG Xianxu. Dynamic Behaviors of RDX Single Crystal under Ramp Wave Compression up to 35 GPa[J]. Chinese Journal of High Pressure Physics, 2022, 36(3): 030103. doi: 10.11858/gywlxb.20210803
Citation: CHONG Tao, ZHANG Zhaohui, WANG Guilin, FU Hua, LI Tao, SUI Zhilei, ZHENG Xianxu. Dynamic Behaviors of RDX Single Crystal under Ramp Wave Compression up to 35 GPa[J]. Chinese Journal of High Pressure Physics, 2022, 36(3): 030103. doi: 10.11858/gywlxb.20210803

Dynamic Behaviors of RDX Single Crystal under Ramp Wave Compression up to 35 GPa

doi: 10.11858/gywlxb.20210803
  • Received Date: 26 May 2021
  • Rev Recd Date: 03 Jun 2021
  • Issue Publish Date: 30 May 2022
  • A ramp wave compression experiment of (100) RDX single crystal under 35 GPa was carried out with the magnetic driven 10 MA device and laser interferometry, and then the interface velocity data of RDX single crystal/LiF window were obtained. The experimental results show that the velocity wave profile shows a three wave structure, which corresponds to elastic wave, plastic wave and phase transition wave from low to high pressure. The onset pressure of α-γ phase transition is 3.1 GPa. One dimensional hydro-dynamic simulation of ramp wave compression process of RDX single crystal was also carried out by combining the modified Hayes multi-phase equation of state and non-equilibrium phase transformation dynamic model. The calculated and experimental data are basically consistent.

     

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