Volume 32 Issue 4
Apr 2018
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WU Xue, ZHANG Xianfeng, DING Li, TAN Mengting, BAO Kuo, CHEN Beibei. Numerical Simulation of the Effect of Pre-stress on the Ballistic Performance of Ceramics[J]. Chinese Journal of High Pressure Physics, 2018, 32(4): 044101. doi: 10.11858/gywlxb.20170610
Citation: WU Xue, ZHANG Xianfeng, DING Li, TAN Mengting, BAO Kuo, CHEN Beibei. Numerical Simulation of the Effect of Pre-stress on the Ballistic Performance of Ceramics[J]. Chinese Journal of High Pressure Physics, 2018, 32(4): 044101. doi: 10.11858/gywlxb.20170610

Numerical Simulation of the Effect of Pre-stress on the Ballistic Performance of Ceramics

doi: 10.11858/gywlxb.20170610
  • Received Date: 06 Jul 2017
  • Rev Recd Date: 20 Jul 2017
  • In this work we studied the processes of applying pre-stress on SiC ceramics by using the finite element software AUTODYN.We established a model of long-rod projectile of different velocities penetrating ceramics with different pre-stress values to investigate the ballistic performance of the pre-stress ceramic, and obtained the stress distributions in the ceramic under different loading conditions through the comparison and analysis of the results, as well as the relation of different pre-stress and ballistic performance of the ceramic.The simulated results show that the appropriate pre-stress can improve the ballistic performance of ceramic, but the ballistic performance of ceramic is reduced when the pre-stress value is greater than 112 MPa, and that there exists a best matching relationship between the pre-stress value and the ballistic performance of the ceramics.

     

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