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Volume 31 Issue 5
Nov 2017
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Chinese Journal of High Pressure Physics  > 2017  >  31(5): 541-547.
HUANG Hai-Jun, NIE Xin-Wei, LENG Chun-Wei, FENG Lei, HU Xiao-Jun, LUO Guo-Qiang, SHEN Qiang, WANG Chuan-Bin. Equation of State for Tungstun Alloy off-Hugoniot[J]. Chinese Journal of High Pressure Physics, 2017, 31(5): 541-547. doi: 10.11858/gywlxb.2017.05.006
Citation: HUANG Hai-Jun, NIE Xin-Wei, LENG Chun-Wei, FENG Lei, HU Xiao-Jun, LUO Guo-Qiang, SHEN Qiang, WANG Chuan-Bin. Equation of State for Tungstun Alloy off-Hugoniot[J]. Chinese Journal of High Pressure Physics, 2017, 31(5): 541-547. doi: 10.11858/gywlxb.2017.05.006
shu

Equation of State for Tungstun Alloy off-Hugoniot

doi: 10.11858/gywlxb.2017.05.006
  • 1.

    College of Science, Wuhan University of Technology, Wuhan 430070, China

  • 2.

    State Key Labatory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China

  • Received Date: 13 Apr 2016
  • Rev Recd Date: 28 Jun 2016
    Abstract
  • Using a two-stage light gas gun and FPGWI (flier-plates with graded wave impedance), the free surface velocities of 93 tungsten alloy (93W) were measured at the impact velocities of 2.12 km/s and 5.02 km/s respectively and the experimental data were analyzed based on the shock wave theory.The results show that at a low impact velocity the pressures and temperatures of 93W alloy after repeated shock compression are higher than those after a single shock compression, and that at a high impact velocity the reverse is true.The phenomenon is results from the change of the Hugoniot parameters and the volume stress after multiple compressions.

     

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