Volume 37 Issue 2
Apr 2023
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XIA Xichi, LI Yongqing, HOU Hailiang, LI Dian. Effect of Constraints on the Penetration Resistance of Ceramic/Steel Composite Target Plate[J]. Chinese Journal of High Pressure Physics, 2023, 37(2): 025104. doi: 10.11858/gywlxb.20220624
Citation: XIA Xichi, LI Yongqing, HOU Hailiang, LI Dian. Effect of Constraints on the Penetration Resistance of Ceramic/Steel Composite Target Plate[J]. Chinese Journal of High Pressure Physics, 2023, 37(2): 025104. doi: 10.11858/gywlxb.20220624

Effect of Constraints on the Penetration Resistance of Ceramic/Steel Composite Target Plate

doi: 10.11858/gywlxb.20220624
  • Received Date: 05 Jul 2022
  • Rev Recd Date: 31 Aug 2022
  • Accepted Date: 01 Sep 2022
  • Available Online: 23 Apr 2023
  • Issue Publish Date: 05 Apr 2023
  • In order to explore the effect of constraints on the displacement law of broken ceramics and the penetration resistance of ceramic composite armor, the SPH-FEM (smoothed particle hydrodynamics-finite element method) coupling method was used to simulate the penetration of cylindrical bullets into ceramic/steel composite target plates. According to the failure response characteristics of the ceramic composite armor, the movement of the bullet and the change of the force on the bullet, the penetration process was divided into stages. Based on this, the influence of self-restraint, circumferential restraint and panel restraint on the displacement law of broken ceramics was analyzed. The influence of different constraint forms on the improvement of target protection performance was also studied. In addition, the results show that limiting the displacement of ceramic cone by imposing constraints is the key to give full play to the protective ability of ceramic composite armor. The application of the three restraint forms can reduce the lateral or longitudinal displacement of the broken ceramics, thus the penetration resistance of the ceramic composite target can be improved in a certain range.

     

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