Research on the Fracture Failure of Projectile Obliquely Penetrating into Multi-layer Steel Plates under the Action of Sabot

Mengyao HU; Kehui WANG; Fengtao BAI; Baihan CHEN; Ming LI

doi:10.12382/bgxb.2025.0745

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Research on the Fracture Failure of Projectile Obliquely Penetrating into Multi-layer Steel Plates under the Action of Sabot

更新时间：2026-02-10

- Research on the Fracture Failure of Projectile Obliquely Penetrating into Multi-layer Steel Plates under the Action of Sabot
- Acta Armamentarii Vol. 46, Issue S2, Pages: 250745(2025)
- 作者机构：
  
  1. 中国海洋大学工程学院, 山东青岛 266100
  2. 西北核技术研究所, 陕西西安 710024
- 作者简介：
- 基金信息：
- DOI：10.12382/bgxb.2025.0745
  CLC：
- Received：15 August 2025，
  
  Online First：03 February 2026，
  
  Published：2025
- 稿件说明：
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Mengyao HU, Kehui WANG, Fengtao BAI, et al. Research on the Fracture Failure of Projectile Obliquely Penetrating into Multi-layer Steel Plates under the Action of Sabot[J]. Acta Armamentarii, 2025, 46(S2): 250745.
DOI：

Mengyao HU, Kehui WANG, Fengtao BAI, et al. Research on the Fracture Failure of Projectile Obliquely Penetrating into Multi-layer Steel Plates under the Action of Sabot[J]. Acta Armamentarii, 2025, 46(S2): 250745. DOI： 10.12382/bgxb.2025.0745.

摘要

针对弹体斜侵彻三层钢板后的断裂失效和弹道稳定性问题

开展高强钢弹体中速侵彻三层钢板的试验

获得弹体弹道偏转角度和断裂失效等参数

并且试验中弹托并未在着靶前脱离

侵彻过程中对弹体结构响应有一定影响。在此基础上对试验结果进行数值模拟计算

数值模拟中材料的失效模型对仿真结果至关重要

现有材料失效模型中广义增量应力状态相关损伤模型(The Generalized Incremental Stress-State dependent Model

GISSMO)在预测材料的结构响应方面有一定优势

弹体采用GISSMO失效模型进行仿真。研究结果表明:数值模拟结果与试验结果吻合较好

通过分析数值模拟结果中弹、弹托、钢板之间的相互作用力得出弹托与钢板对弹体的横向载荷是弹体断裂失效的主要原因;弹托结构应在着靶前脱离弹体

避免弹托对弹体造成损伤。为进一步验证GISSMO失效模型的优越性

对比3种材料模型数值模拟结果和试验结果

发现GISSMO断裂失效模型更适合用于预测高强钢在复杂应力状态下的断裂失效行为。

Abstract

The fracture failure and ballistic stability of projectile after obliquely penetrating into three-layer steel targets are studied.The experiment on medium-velocity penetration of high-strength steel projectiles into three-layer steel targets is made.Parameters such as trajectory deflection angle and fracture failure of projectile are obtained through experiment.In the experiment

the sabot does not separate from the projectile before hitting the target

which has a certain impact on the structural response of projectile during the penetration process.On this basis

the numerical simulation calculation of the experimental results is conducted.The material failure model is crucial to the simulational results in numerical simulation.Among the existing material failure models

the generalized incremental stress-state dependent damfe model (GISSMO) has certain advantages in predicting the structural response of materials

so it is adopted for the simulation of the projectile.The results show that the numerically simulated results are in good agreement with the experimental results.Through analyzing the interaction forces among the projectile

sabot and steel targets in the numerically simulated results

it is concluded that the lateral loads exerted on the projectile by the sabot and steel targets are the main causes of the projectile’s fracture failure.The sabot structure should separate from the projectile before hitting the target to avoid any damage to the projectile caused by the sabot.To further verify the superiority of GISSMO failure model

the numerically simulated results of three material models are compared ith the experimental results.The results indicate that the GISSMO failure model is more suitable for predicting the fracture failure behavior of high-strength steel under complex stress state.

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references

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