活性爆炸成型弹丸侵爆联合毁伤行为

张鸿宇; 师东芳; 王海福; 郑元枫

doi:10.12382/bgxb.2025.0899

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活性爆炸成型弹丸侵爆联合毁伤行为

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- 活性爆炸成型弹丸侵爆联合毁伤行为
- Penetration-Blast Coupled Damage Behavior of Reactive Explosively Formed Projectiles
- 兵工学报 2025年46卷第S2期页码：250899
- 作者机构：
  
  1. 北京理工大学爆炸科学与安全防护全国重点实验室, 北京 100081
  2. 中国空空导弹研究院, 河南, 洛阳 471009
- 作者简介：
  
  * 邮箱: zhengyf@bit.edu.cn
- 基金信息：
  
  中央高校基本科研业务费专项资金资助项目(2025CX01002)
- DOI：10.12382/bgxb.2025.0899
  中图分类号：
- 收稿：2025-12-10，
  
  网络首发：2026-02-03，
  
  纸质出版：2025
- 稿件说明：
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张鸿宇, 师东芳, 王海福, 等. 活性爆炸成型弹丸侵爆联合毁伤行为[J]. 兵工学报, 2025,46(S2):250899.

Hongyu ZHANG, Dongfang SHI, Haifu WANG, et al. Penetration-Blast Coupled Damage Behavior of Reactive Explosively Formed Projectiles[J]. Acta Armamentarii, 2025, 46(S2): 250899.
张鸿宇, 师东芳, 王海福, 等. 活性爆炸成型弹丸侵爆联合毁伤行为[J]. 兵工学报, 2025,46(S2):250899. DOI： 10.12382/bgxb.2025.0899.

Hongyu ZHANG, Dongfang SHI, Haifu WANG, et al. Penetration-Blast Coupled Damage Behavior of Reactive Explosively Formed Projectiles[J]. Acta Armamentarii, 2025, 46(S2): 250899. DOI： 10.12382/bgxb.2025.0899.

摘要

为研究活性爆炸成型弹丸(Explosively Formed Projectile

EFP)对装甲目标时序侵爆联合毁伤效应

开展了基于PTFE/Al(质量比73.5%/26.5%)活性球缺罩的聚能装药作用密闭多层靶静爆实验。实验结果表明:在装药直径为50mm时

活性EFP可在10mm厚前置钢靶上形成约0.6倍装药直径的侵彻孔

并对后效铝靶造成爆裂毁伤

同时在13L密闭空间中产生1.51MPa的靶后超压峰值。结合数值仿真

确定活性材料反应弛豫时间

=72.5

#x003BC;s

并建立SPH-FEM耦合侵爆分段计算模型

系统分析了活性球缺罩内曲率半径(

)、外曲率半径(

)及罩厚度(

)等几何参数对侵爆联合毁伤效应的影响规律。研究结果表明:活性EFP通过动能侵彻与化学能释放联合作用

可显著增强对多层靶毁伤效应。具体而言

外曲率半径

是影响后效铝靶穿孔分布密集度的关键参数;内曲率半径

在45~60mm范围内增大时

虽可提升对前置钢靶的扩孔效应

但会导致后效铝靶毁伤直径呈现递减趋势;随着罩厚度

由3.0mm增加至6.0mm

后效铝靶毁伤直径表现出先增大后减小的非线性变化规律

并在

=4.0mm时毁伤效应最为显著。

Abstract

The sequential penetration-blast damage effects of reactive explosively formed projectiles(EFP) on armored targets are investigate.The static detonation experiment is conducted on the multilayer targets subjected to shaped charges with PTFE/Al (mass ratio of 73.5%/26.5%) reactive spherical-segment liners.The results indicate that the reactive EFP formed a penetration hole with a diameter of approximately 0.6 times the charge diameter in a 10mm-thick front steel target at a charge diameter of 50mm

caused severe blast-induced damage to the behind aluminum target

and generated a peak overpressure of 1.51MPa within a confined volume of 13L.Furthermore

the reaction relaxation time of the reactive material was determined to be

=72.5

#x003BC;s based on numerical simulations.A segmented SPH-FEM computational model for penetration-blast coupling is established

enabling systematic analysis of the influence of key geometric parameters of the reactive spherical-segment liner—including the inner curvature radius(

)

outer curvature radius

(

)

and thickness(

)—on the penetration-blast coupled damage effect.The results demonstrate that the synergistic interaction between kinetic energy penetration and chemical energy release significantly enhances the damage effect of reactive EFPs on multilayer targets.Specifically

the outer curvature radius(

) is a critical parameter affecting the density of perforation distribution in the behind aluminum target.The increase in the inner curvature radius(

) within the range of 45-60mm can enhance the hole enlargement effect on the front steel target

but it concurrently leads to a decreasing trend in the damage diameter in the behind aluminum target.As the liner thickness (

) increases from 3.0mm to 6.0mm

the damage diameter of the behind aluminum target exhibits a nonlinear variation pattern—increasing first and then decreasing—with the most significant damage effect observed at

=4.0mm.

关键词

Keywords

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