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Volume 35 Issue 5
Sep 2021
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Chinese Journal of High Pressure Physics  > 2021  >  35(5): 054201.
CHEN Ming, ZHANG Yongliang, ZHENG Hang, ZHAO Kai, ZHENG Zhijun. Ballistic Performance Analysis and Gradient Optimization Design of Ceramic Ball and Metal Composite Armor[J]. Chinese Journal of High Pressure Physics, 2021, 35(5): 054201. doi: 10.11858/gywlxb.20210739
Citation: CHEN Ming, ZHANG Yongliang, ZHENG Hang, ZHAO Kai, ZHENG Zhijun. Ballistic Performance Analysis and Gradient Optimization Design of Ceramic Ball and Metal Composite Armor[J]. Chinese Journal of High Pressure Physics, 2021, 35(5): 054201. doi: 10.11858/gywlxb.20210739
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Ballistic Performance Analysis and Gradient Optimization Design of Ceramic Ball and Metal Composite Armor

doi: 10.11858/gywlxb.20210739

  • CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei 230026, Anhui, China

  • Received Date: 09 Mar 2021
  • Rev Recd Date: 23 Mar 2021
    Abstract
  • Ceramics is commonly used as ballistic resistant material due to lightweight and high strength properties. However, due to its brittleness, the use efficiency of ceramics is low, and local breakdown often leads to the breakage of the whole ceramic. In order to improve the use efficiency of ceramics, a composite structure of layered gradient ceramic ball and aluminum was presented in this study, and the influences of ceramic ball size and hitting position were studied with numerical simulation method. The anti-ballistic mechanism of ceramic ball-metal composite structures was analyzed from the deformation of bullet and target plate, the change of bullet velocity and the plastic wave propagation, and then the optimization design of anti-ballistic structure was proposed. The results show that the ceramic ball with a diameter of 7.2 mm has an excellent property of anti-ballistic capability. The layered gradient ceramic ball structure designed can further improve the anti-ballistic capability. The ceramic ball-metal composite target plate is damaged locally, and the other parts of the target still have the anti-ballistic capability.

     

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