Volume 34 Issue 5
Sep 2020
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CHONG Tao, MO Jianjun, CAI Jintao, WANG Guiji. Experimental Study on Shock-Ramp Wave Profiles in RDX Single Crystal Explosive[J]. Chinese Journal of High Pressure Physics, 2020, 34(5): 051301. doi: 10.11858/gywlxb.20200529
Citation: CHONG Tao, MO Jianjun, CAI Jintao, WANG Guiji. Experimental Study on Shock-Ramp Wave Profiles in RDX Single Crystal Explosive[J]. Chinese Journal of High Pressure Physics, 2020, 34(5): 051301. doi: 10.11858/gywlxb.20200529

Experimental Study on Shock-Ramp Wave Profiles in RDX Single Crystal Explosive

doi: 10.11858/gywlxb.20200529
  • Received Date: 12 Mar 2020
  • Rev Recd Date: 17 Jun 2020
  • The shock-ramp wave loading experiment is fulfilled using pulsed power generator CQ-4. For RDX single crystal samples with the orientations of (210) and (100), the interfacial velocity profiles between the RDX sample and LiF window are obtained by photonic Doppler velocimetry (PDV). The experimental results show that the interfacial velocity profile is divided into three parts: shock compression, ramp wave compression and unloading waves. At the shock pressure of 4 GPa, an elastic-viscoplastic waveform is observed. When the shock pressure is as high as 7 GPa, the characteristic waveform corresponding to the elastic-plastic transition disappears in the measured wave profile.

     

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