Volume 19 Issue 3
Apr 2015
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YU Jin-Quan, XIAO Ya-Bin, ZHOU Xian-Ming, TAN Hua. Study on Sound Velocity and Unloading Path for Single Crystal LiF under Shock Compression[J]. Chinese Journal of High Pressure Physics, 2005, 19(3): 206-212 . doi: 10.11858/gywlxb.2005.03.003
Citation: YU Jin-Quan, XIAO Ya-Bin, ZHOU Xian-Ming, TAN Hua. Study on Sound Velocity and Unloading Path for Single Crystal LiF under Shock Compression[J]. Chinese Journal of High Pressure Physics, 2005, 19(3): 206-212 . doi: 10.11858/gywlxb.2005.03.003

Study on Sound Velocity and Unloading Path for Single Crystal LiF under Shock Compression

doi: 10.11858/gywlxb.2005.03.003
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  • Corresponding author: YU Jin-Quan
  • Received Date: 17 Jan 2004
  • Rev Recd Date: 13 Jan 2005
  • Publish Date: 05 Sep 2005
  • Symmetrical impact experiments for single crystal LiF were conduced at two-stage light-gas gun with a VISAR diagnostic. Longitudinal and bulk sound velocities, and unloading path of LiF were obtained up to 79.1 GPa shock pressure. Experimental results indicate a good linearity between the Lagrangian longitudinal sound velocity and the particle velocity. There is no evidence of shock-induced melting or phase transition for LiF in the present pressure range. The LiF unloading path and velocity profiles show a clear transformation from the elastic release to the plastic unloading.

     

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