Effect of Bionic Scale-like Ceramic Composite Armor on Ballistic Behavior

SHI Yi; WANG Renjie; WANG Xinde; WANG Fei; WANG Yonggang; JIANG Zhaoxiu

doi:10.12382/bgxb.2025.1060

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Effect of Bionic Scale-like Ceramic Composite Armor on Ballistic Behavior

更新时间：2026-03-23

- Effect of Bionic Scale-like Ceramic Composite Armor on Ballistic Behavior
- Acta Armamentarii (2026)
- 作者机构：
  
  1. 宁波工程学院全省深海基础智能建造与运维重点实验室,浙江,宁波,315211
  2. 宁波大学机械工程与力学学院,浙江,宁波,315211
  3. 宁波大学冲击与安全工程教育部重点实验室,浙江,宁波,315211
- 作者简介：
- 基金信息：
- DOI：10.12382/bgxb.2025.1060
  CLC： TJ012.4
- Received：01 December 2025，
  
  Online First：23 March 2026，
- 稿件说明：
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石毅，王仁杰，王新德，等. 鳞甲仿生陶瓷复合装甲抗弹行为影响[J/OL]. 兵工学报, 2026(2026-03-23). https://doi.org/10.12382/bgxb.2025.1060.

SHI Y, WANG R J, WANG X D, et al. Effect of bionic scale-like ceramic composite armor on ballistic behavior[J/OL]. Acta Armamentarii, 2026(2026-03-23). https://doi.org/10.12382/bgxb.2025.1060. (in Chinese)
石毅，王仁杰，王新德，等. 鳞甲仿生陶瓷复合装甲抗弹行为影响[J/OL]. 兵工学报, 2026(2026-03-23). https://doi.org/10.12382/bgxb.2025.1060. DOI：

SHI Y, WANG R J, WANG X D, et al. Effect of bionic scale-like ceramic composite armor on ballistic behavior[J/OL]. Acta Armamentarii, 2026(2026-03-23). https://doi.org/10.12382/bgxb.2025.1060. (in Chinese) DOI：

摘要

针对传统拼接陶瓷复合装甲接缝区域易应力集中、抗多发打击能力不足的问题，受鳄鱼鳞甲非对称结构启发，设计了一种鳞甲仿生拼接陶瓷复合装甲。通过弹道实验与数值模拟，系统对比了该结构与传统六边形结构在抗弹性能、弹靶作用机制及失效模式上的差异，并重点分析着靶速度与位置的影响。研究结果表明：鳞甲仿生结构通过诱导非对称应力波及陶瓷破碎，能有效促使弹体偏转，并延长弹靶作用时间，在相同高速冲击下的弹体剩余质量显著低于六边形结构，陶瓷损伤破碎吸收的能量均有所提升；不同着靶速度下，背板塑性变形均低于六边形结构，陶瓷损伤破碎吸收的能量则高于六边形结构，表明其结构的改变将能量耗散主体由背板转移至陶瓷层；此外，着靶位置对抗弹性能影响显著，接缝处通过几何不连续性引发多向裂纹与分布式耗能，性能最优。

Abstract

Aiming at the issues of stress concentration in the joint regions and insufficient multi-hit resistance of conventional tiled ceramic composite armor

this study

inspired by the asymmetric structure of crocodile dermal armor

designed a scale-bionic tiled ceramic composite armor. Through ballistic experiments and numerical simulations

the anti-penetration performance

projectile-target interaction mechanisms

and failure modes of this structure were systematically compared with those of the conventional hexagonal-tiled structure

with a focus on analyzing the effects of impact velocity and location. The results indicate that: The bionic scale structure effectively induces projectile deflection and prolongs the interaction time by guiding asymmetric stress waves and ceramic fragmentation. Under identical high-velocity impact

the residual mass of the projectile is significantly lower

and the energy absorbed by ceramic damage and fragmentation is higher compared to the hexagonal structure. Across different impact velocities

the plastic deformation of the backplate is consistently lower

while the energy dissipation from ceramic damage is higher than in the hexagonal structure

suggesting that the structural modification shifts the primary energy dissipation mechanism from the backplate to the ceramic layer. Furthermore

the impact location significantly influences the ballistic performance

striking the joint induces multi-directional cracking and distributed energy dissipation due to geometric discontinuity

yielding the optimal performance.

关键词

Keywords

references

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