Welcome to Acta Armamentarii ! Today is

Acta Armamentarii ›› 2025, Vol. 46 ›› Issue (6): 240457-.doi: 10.12382/bgxb.2024.0457

Previous Articles     Next Articles

Protection Performance of SiC/UHMWPE Bulletproof Insert Plate with Biomimetic Topology Interlocking Configuration-based Ceramic Assembly

QIAN Haocheng1, WEN Yaoke1,*(), WANG Meng1,2, LUO Xiaohao3, WANG Huicheng1, NIE Weixiao1, FENG Zhiyan1, TONG Liangcheng4   

  1. 1 School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China
    2 Wuhan Guide Infrared Co., Ltd., Wuhan 430205, Hubei, China
    3 Hangzhou Zhiyuan Research Institute Co., Ltd., Hangzhou 310013, Zhejiang, China
    4 Department of Orthopedics, Air Force Hospital of Eastern Theater Command, Nanjing 210002, Jiangsu, China
  • Received:2024-06-11 Online:2025-06-28
  • Contact: WEN Yaoke

Abstract:

To address the issues of the lack of structural synergy between ceramic plates in existing spliced ceramic bulletproof plates and the poor dissipation of impact energy,a biomimetic topological interlocking ceramic splicing scheme based on the exoskeletal structure of phloeodes diabolicus is designed.The numerical simulation research is made on the protective performance of the designed bulletproof plates under the impact of bullets. A non-standard bulletproof ceramic plate with a phloeodes diabolicus exoskeletal structure is designed based on the microstructure of biological materials and the principle of topological interlocking in engineering structures.The accuracy of the simulation model is verified through 3D-DIC testing,and the penetrations of 5.8mm DBP 10 rifle bullets into square,hexagonal and biomimetic topological interlocking ceramic spliced bulletproof plates are simulated.The results show that the biomimetic topological interlocking ceramic blocks can effectively enable the surrounding ceramics to dissipate the impact energy,The back bulge height of the biomimetic topological interlocking ceramic bulletproof insert after being penetrated is reduced by approximately 8% compared to that of the hexagonal ceramic bulletproof insert.An individual soldier protective insert plate based on the biomimetic topological interlocking ceramic configuration is designed,and the numerical simulations are conducted on the blunt trauma effects of M80 rifle bullet penetrating the human torso of the protected individual soldier.The results indicate that the blunt trauma energy is primarily borne by the muscles and thoracic ribs,and the peak stress on thoracic ribs reaches 30.7MPa,which potentially leads to bone fractures.The maximum stress in the heart is 930.2kPa,and the maximum stress in the lungs is 777.5kPa,potentially causing myocardial injury and lung soft tissue contusion.

Key words: bulletproof insert, bionics, topological interlocking, blunt impact effect

CLC Number: