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Chinese Journal of High Pressure Physics  > 1994  >  8(1): 43-48 .
HUA Jin-Song, DONG Qing-Dong, TAN Hua. A Method for Indirect Observation of the Pressure in the Cylindrical Metal Tube under Shock Compression[J]. Chinese Journal of High Pressure Physics, 1994, 8(1): 43-48 . doi: 10.11858/gywlxb.1994.01.007
Citation: HUA Jin-Song, DONG Qing-Dong, TAN Hua. A Method for Indirect Observation of the Pressure in the Cylindrical Metal Tube under Shock Compression[J]. Chinese Journal of High Pressure Physics, 1994, 8(1): 43-48 . doi: 10.11858/gywlxb.1994.01.007
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A Method for Indirect Observation of the Pressure in the Cylindrical Metal Tube under Shock Compression

doi: 10.11858/gywlxb.1994.01.007

  • Southwest Institute of Fluid Physics, Chengdu 610003, China

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  • Corresponding author: HUA Jin-Song
  • Received Date: 06 Sep 1993
  • Rev Recd Date: 11 Oct 1993
  • Issue Publish Date: 05 Mar 1994
    Abstract
  • The paper describes a method to observe the pressure of powder samples filled in a cylindrical metal tube which will be subjected to explosive compression. As an example, we measured the pressure in the explosive shock synthesis of wurtzite-type boron nitride (wBN) from graphite-type BN. The results show that the shock pressure in the sample tube ranges from about 11.5 GPa to 22 GPa (which satisfies the pressure condition required by the shock synthesis of wBN) and that the pressure in the tube varies discontinuously. These experimental results indicate that this technique is feasible.

     

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