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Chinese Journal of High Pressure Physics  > 2005  >  19(3): 257-263 .
WANG Yan-Bin, LI Jiu-Hong, WEI Xue-Ying, YU Mao-Hong. Analysis of High-Velocity Tungsten Rod on Penetrating Brittle Target[J]. Chinese Journal of High Pressure Physics, 2005, 19(3): 257-263 . doi: 10.11858/gywlxb.2005.03.011
Citation: WANG Yan-Bin, LI Jiu-Hong, WEI Xue-Ying, YU Mao-Hong. Analysis of High-Velocity Tungsten Rod on Penetrating Brittle Target[J]. Chinese Journal of High Pressure Physics, 2005, 19(3): 257-263 . doi: 10.11858/gywlxb.2005.03.011
shu

Analysis of High-Velocity Tungsten Rod on Penetrating Brittle Target

doi: 10.11858/gywlxb.2005.03.011
  • 1.

    School of Civil Engineering and Mechanics, Xi'an Jiaotong University,Xi'an 710049, China;

  • 2.

    Northwest China Electric Power Test & Research Institute, Xi'an 710054, China;

  • 3.

    Department of Civil Engineering, Xi'an University of Technology, Xi'an 710048, China;

  • 4.

    School of Civil Engineering, Chang'an University, Xi'an 710054, China

More Information
  • Corresponding author: WANG Yan-Bin
  • Received Date: 10 Jun 2004
  • Rev Recd Date: 11 Jan 2005
  • Issue Publish Date: 05 Sep 2005
    Abstract
  • Brittle materials can be pulverized near the tip of the penetrator under high-velocity impact. This paper considers the pulverization of brittle materials and divides the target into the pulverized, cracked and elastic regions, and derived the cavity expansion pressure, viz. target resistance Rt of A-T model (modified hydrodynamic model) based on static cylindrical cavity expansion theory. The influences of the pressure-shear coefficient on Rt and stress fields are discussed. The depth of penetration is calculated using A-T model for a tungsten long rod impacting brittle target at 1.5~4.5 km/s. The calculated results of this model are compared with the experimental data and the results of other models.

     

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    • References(18)
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