Numerical Simulation of Temperature Rise of 4340 Steel Projectile Penetrating into 45# Steel Target

Shuangyang YU; Yong PENG

doi:10.12382/bgxb.2023.0734

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Numerical Simulation of Temperature Rise of 4340 Steel Projectile Penetrating into 45# Steel Target

更新时间：2025-08-18

- Numerical Simulation of Temperature Rise of 4340 Steel Projectile Penetrating into 45# Steel Target
- Acta Armamentarii Vol. 44, Issue S1, Pages: 144-151(2023)
- 作者机构：
  
  国防科技大学理学院, 湖南长沙 410073
- 作者简介：
- 基金信息：
- DOI：10.12382/bgxb.2023.0734
  CLC：
- Received：09 August 2023，
  
  Published Online：03 January 2024，
  
  Published：08 December 2023
- 稿件说明：
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Shuangyang YU, Yong PENG. Numerical Simulation of Temperature Rise of 4340 Steel Projectile Penetrating into 45# Steel Target[J]. Acta Armamentarii, 2023, 44(S1): 144-151.
DOI：

Shuangyang YU, Yong PENG. Numerical Simulation of Temperature Rise of 4340 Steel Projectile Penetrating into 45# Steel Target[J]. Acta Armamentarii, 2023, 44(S1): 144-151. DOI： 10.12382/bgxb.2023.0734.

摘要

为获得弹体侵彻金属靶板过程中弹体温升的基本特性

采用一级轻气炮开展了4340钢球头弹侵彻45号钢靶的温升实验研究

并基于实验条件使用ANSYS/LS-DYNA软件建立了4340钢弹侵彻45号钢靶板的有限元模型

在数值模拟模型与实验结果拟合良好后

通过改变初始条件的方法详细讨论了4340钢弹侵彻45号钢靶时弹体初始速度、靶板厚度以及弹体侵彻2层靶板对弹靶间温度分布的影响。结果表明:弹体在侵彻过程中温升主要分布在弹体头部位置;弹体侵彻过程中的温升随着速度的增加而增加;当侵彻2层靶板时

弹体温升主要发生在侵彻第1层靶板过程中。

Abstract

In order to obtain the basic characteristics of the temperature rise of projectile during the process of penetrating into a metal target

the temperature rise of 4340 steel spherical projectile penetrating into 45# steel target isexperimentally studiedwith a first-stage light gas gun. Based on the experimental conditions

a finite element model of 4340 steel projectile penetrating into 45# steel target is established using ANSYS/LS-DYNA software. After a good fit between the numerical simulation model and the experimental results

the effects of the initial velocity of 4340 steel projectile

the thickness of target plate and the temperature distribution of two layers of target when 4340 steel projectile penetrates into 45# steel target are discussed in detail by changing the initial conditions. The results show that the temperature rise of projectile is mainly distributed in the head of projectile during the process of penetration. The temperature rise of projectile during penetration increases with the increase of velocity. When two layers of target are penetrated

the temperaturerise of projectile mainly occurs in the process of penetrating into the first layer of target.

关键词

Keywords

references

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