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Chinese Journal of High Pressure Physics  > 2007  >  21(2): 129-135 .
LIU Zhan-Fang, CHANG Jing-Zhen, TANG Lu-Cheng, YAO Guo-Wen, LI Jian-Peng. Dynamic Strength of Alumina under Plane Shock Waves[J]. Chinese Journal of High Pressure Physics, 2007, 21(2): 129-135 . doi: 10.11858/gywlxb.2007.02.003
Citation: LIU Zhan-Fang, CHANG Jing-Zhen, TANG Lu-Cheng, YAO Guo-Wen, LI Jian-Peng. Dynamic Strength of Alumina under Plane Shock Waves[J]. Chinese Journal of High Pressure Physics, 2007, 21(2): 129-135 . doi: 10.11858/gywlxb.2007.02.003
shu

Dynamic Strength of Alumina under Plane Shock Waves

doi: 10.11858/gywlxb.2007.02.003
  • 1.

    Department of Engineering Mechanics, Chongqing University, Chongqing 400044, China;

  • 2.

    Institute of Structure Mechanics, CAEP, Mianyang 621900, China;

  • 3.

    China Academy of Engineering Physics, Mianyang 621900, China;

  • 4.

    College of Civil Engineering and Architecture, Chongqing Jiaotong University, Chongqing 400074, China

  • Received Date: 03 Mar 2006
  • Rev Recd Date: 28 Apr 2006
  • Issue Publish Date: 05 Jun 2007
    Abstract
  • The strength expression of material under shock loading has been reviewed. The effects of the hydrostatic pressure and the high strain rate on the strength, has been discussed. A modified form for the Hugoniot elastic limits was given associated with the Drucker-Prager yield criterion. Free surface velocity histories were measured by VISAR in plate impact experiments on alumina with a light gas gun. The experimental determination of the dynamic strength of alumina was discussed and open problems were clarified. By comparing the strength expressions of ceramic materials with the experimental results, the differences were mentioned. Analysis and discussion were made for the experiment phenomenon.

     

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