The Influence of Strength of Jacket Materials on the Penetration Performance of WF/Zr-MG Rods

Feng ZHOU; Liguo LI; Bingnan XING; Chengxin DU; Zhonghua DU; Peng WANG; huameng FU

doi:10.12382/bgxb.2024.0726

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The Influence of Strength of Jacket Materials on the Penetration Performance of WF/Zr-MG Rods

更新时间：2025-09-05

- The Influence of Strength of Jacket Materials on the Penetration Performance of WF/Zr-MG Rods
- Acta Armamentarii Vol. 46, Issue 7, Pages: 240726(2025)
- 作者机构：
  
  1. 南京理工大学机械工程学院, 江苏南京 210094
  2. 内蒙古北方重工业集团有限公司, 内蒙古包头 014033
  3. 重庆长安望江工业集团有限公司南京创新中心, 江苏南京 210094
  4. 沈阳理工大学装备工程学院, 辽宁沈阳 110159
  5. 中国科学院金属研究所, 辽宁沈阳 110016
- 作者简介：
- 基金信息：
- DOI：10.12382/bgxb.2024.0726
  CLC：
- Received：26 August 2024，
  
  Published Online：12 August 2025，
  
  Published：31 July 2025
- 稿件说明：
移动端阅览
Feng ZHOU, Liguo LI, Bingnan XING, et al. The Influence of Strength of Jacket Materials on the Penetration Performance of WF/Zr-MG Rods[J]. Acta Armamentarii, 2025, 46(7): 240726.
DOI：

Feng ZHOU, Liguo LI, Bingnan XING, et al. The Influence of Strength of Jacket Materials on the Penetration Performance of WF/Zr-MG Rods[J]. Acta Armamentarii, 2025, 46(7): 240726. DOI： 10.12382/bgxb.2024.0726.

摘要

为了获得具有高侵彻效率的护套钨丝/锆基非晶复合材料的穿甲杆

开展了护套材料强度对钨丝/锆基非晶弹芯(后简称“钨丝集束”)侵彻性能的影响研究。采用30CrMnSi和Q235两种材料作为钨丝集束弹护套

在1700~2000m/s的着靶速度范围内开展了对C45钢的侵彻实验

并利用有限元分析软件对2种护套钨丝集束弹芯侵蚀机理进行分析。实验结果表明:30CrMnSi/钨丝集束弹芯侵蚀方式由侵彻初期的“共同侵蚀”逐渐转变为“分别侵蚀”

护套与弹芯脱离

并未起到保护弹芯的作用

使钨丝集束弹芯发生劈裂

导致30CrMnSi/钨丝集束弹芯侵彻性能不稳定

在实验速度范围内侵彻效率具有较大波动

差值相差50%以上(最高侵彻效率为1.68

而最低侵彻效率仅为1.03);Q235/钨丝集束弹芯侵彻效果较为稳定

实验获得的侵彻效率均在1.5以上。Q235护套在侵彻过程中紧紧贴合钨丝集束弹芯

与弹芯以“共同侵蚀”的方式失效

抑制裂纹在弹芯内部萌生、扩展

消除了弹芯侵彻过程中“劈裂”现象

为弹芯提供径向强度

提升了弹芯的侵彻性能。实验结果证明

合适的护套材料可以有助于增加钨丝/锆基非晶复合材料的侵彻稳定性

但并不是强度越高侵彻效果越好。该结论对护套钨丝/锆基非晶复合材料穿甲杆的设计具有理论支撑作用。

Abstract

The influence of strength of jacket materials on the penetration performance of tungsten fibre/Zr-based bulk metallic glass (WF/Zr-MG) rod to obtain the armor piercing rods made of jacketed WF/Zr-MG matrix composite materials with high penetration efficiency.A 60mm-thick C45 steel plate is impacted by a composite structure rod made of two types of jacket materials (Q235 and 30CrMnSi steel) with an impact velocity of 1700-2000m/s in penetration experiment.Additionally

the erosion mechanisms of two types of rods are analyzed using the finite element analysis software.The experimental results indicate that the erosion mode of 30CrMnSi/ WF/-Zr-MG rod gradually changes from “co-erosion” in the initial penetration stage to “bi-erosion”.The jacket separates from the rod and does not play a role in protecting the rod

thus splitting the WF/Zr-MG rod to result in the unstable penetration performance of 30CrMnSi/WF/Zr-MG rods.The penetration efficiency fluctuates greatly within the experimental speed range with a difference of more than 50% (the highest penetration efficiency is 1.68

and the lowest penetration efficiency is only 1.03).In contrast

Q235/WF/Zr MG rods maintaine the penetration efficiency above 1.5 at all the experimental speeds.The Q235 jacket tightly adheres to the WF/-Zr-MG rod during penetration

and fails in a “co-erosion” manner with the rod

therefore suppressing the initiation and expansion of cracks inside the rod

eliminating the “splitting” phenomenon during penetration

providing a radial strength for the rod

and improving its penetration performance.The experimental results show that a suitable jacket material can help increase the penetration stability of WF/Zr-MG rods

but it is not necessarily the case that the higher the strength is

the better the penetration effect is.This conclusion provides theoretical support for the design of armor piercing rods made of jacketed WF/Zr-MG materials.

关键词

Keywords

references

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