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基于细观建模的电子束预控弹体破裂机理数值研究

邱浩 蒋建伟 门建兵 王树有 李梅

常孟周, 范飞高, 唐恩凌, 贺丽萍, 郭凯, 崔化鹏, 陈闯, 韩雅菲, 王睿智, 曹洪祥. 固体介质中的冲击极化效应研究进展[J]. 爆炸与冲击, 2024, 44(9): 091411. doi: 10.11883/bzycj-2023-0473
引用本文: 邱浩, 蒋建伟, 门建兵, 王树有, 李梅. 基于细观建模的电子束预控弹体破裂机理数值研究[J]. 爆炸与冲击, 2021, 41(7): 074201. doi: 10.11883/bzycj-2020-0220
CHANG Mengzhou, FAN Feigao, TANG Enling, HE Liping, GUO Kai, CUI Huapeng, CHEN Chuang, HAN Yafei, WANG Ruizhi, CAO Hongxiang. Research progress of shock induced polarization effect in solid mediums[J]. Explosion And Shock Waves, 2024, 44(9): 091411. doi: 10.11883/bzycj-2023-0473
Citation: QIU Hao, JIANG Jianwei, MEN Jianbing, WANG Shuyou, LI Mei. Numerical study on the fracture mechanism of electron beam controlled projectile based on micro modeling[J]. Explosion And Shock Waves, 2021, 41(7): 074201. doi: 10.11883/bzycj-2020-0220

基于细观建模的电子束预控弹体破裂机理数值研究

doi: 10.11883/bzycj-2020-0220
基金项目: 国家自然科学基金(11872123)
详细信息
    作者简介:

    邱 浩(1990- ),男,博士研究生,qiuhaomail@foxmail.com

    通讯作者:

    蒋建伟(1963- ),男,博士,教授,bitjjw@bit.edu.cn

  • 中图分类号: O389; TJ413

Numerical study on the fracture mechanism of electron beam controlled projectile based on micro modeling

  • 摘要: 为研究电子束预控弹体的破裂机理。提出了基于电子束预控弹体细观几何特性的参数化建模方法,建立了含基体、熔融区、过渡区和空腔区弹体的三维有限元模型,采用LS-DYNA软件对典型弹体的爆炸驱动和破裂过程进行了数值模拟分析。结果表明:电子束预控弹体破裂过程可分为:弹体膨胀后的空腔区在环向拉应力作用下产生拉伸断裂、过渡区产生裂纹扩展和拉伸断裂以及空腔区底部基体在两侧拉应力和底部压应力作用下产生与弹体内壁法线呈45°的剪切破坏3个阶段。数值模拟结果与回收的破片截面形状和破坏模式吻合较好。研究结果对电子束预控弹体破片成型控制具有参考价值。
  • 图  1  电子束预控区域

    Figure  1.  Electron beam controlled zone

    图  2  电子束预控区域示意

    Figure  2.  Schematic of electron beam controlled zone

    图  3  硬度值沿纵横向距离的关系

    Figure  3.  Relationship of hardness value along the vertical and horizontal distance

    图  4  典型电子束预控弹体的几何特征参数

    Figure  4.  Geometric characteristic parameters of typical electron beam controlled projectile

    图  5  槽线相交菱形的边长

    Figure  5.  Side length of rhombus with groove lines intersecting

    图  6  单个槽网格数量示意图

    Figure  6.  Schematic diagram of the number of grids in a single groove

    图  7  周向移动节点

    Figure  7.  Circumferential mobile node

    图  8  端部节点的生成

    Figure  8.  Generation of end nodes

    图  9  电子束预控弹体离散化模型

    Figure  9.  Finite element model of electron beam controlled projectile

    图  10  典型电子束预控弹体和选取的局部区域

    Figure  10.  The typical electron beam controlled projectile and the selected local area

    图  11  电子束预控弹体不同计算时刻应力云图

    Figure  11.  Contours of Pressure of electron beam controlled projectile with different time

    图  12  弹体内的应力分量

    Figure  12.  The stress components in the projectile

    图  13  空腔区受力分析

    Figure  13.  Stress analysis of hollow zone

    图  14  12 μs时刻预控破片截面图像与回收破片截面

    Figure  14.  Section image of controlled fragments at 12 μs and section of recycled fragment

    表  1  测量的硬度值

    Table  1.   Measured hardness value

    区域维氏硬度
    横向410410425415413406
    369324330369376
    纵向391391386392403
    基体366361372
    下载: 导出CSV

    表  2  35CrMnSi Johnson-Cook本构模型参数[14]

    Table  2.   Parameters of Johnson-Cook constitutive equation for 35CrMnSi[14]

    ρ0/(g·cm−3G/GPaA/MPaB/MPanCmTm/K
    7.8377144015010.44030.0390.4041793
    下载: 导出CSV

    表  3  COMP B炸药的JWL状态方程参数[15]

    Table  3.   Parameters of JWL equation of state for COMP B explosive[15]

    ρ0/(g·cm−3A/GPaB/GPaR1R2ωD/(m·s−1pCJ/GPaE/(GJ·m−3
    1.7125.24230.076784.21.10.3479800.2950.085
    下载: 导出CSV
  • [1] 李超, 李德元, 万仁毅, 等. 激光和等离子弧加工弹体材料脆性带的对比 [J]. 成都工业学院学报, 2013, 16(1): 22–24. DOI: 10.3969/j.issn.1008-5440.2013.01.007.

    LI C, LI D Y, WAN R Y, et al. Comparison between the brittleness belts of shell materials treated by laser hardening and plasma-arc hardening [J]. Journal of Chengdu Technological University, 2013, 16(1): 22–24. DOI: 10.3969/j.issn.1008-5440.2013.01.007.
    [2] 赵力. 局部激冷处理弹壳材料破碎过程模拟 [D]. 沈阳: 沈阳工业大学, 2014.

    ZHAO L. Simulation of local chilling treatment shell material crushing process [D]. Shenyang: Shenyang University of Technology, 2014.
    [3] 石岩, 刘东炜, 刘佳, 等. 硬脆钢50SiMnVB激光预控裂纹工艺试验研究 [J]. 兵工学报, 2018, 39(10): 1997–2005. DOI: 10.3969/j.issn.1000-1093.2018.10.016.

    SHI Y, LIU D W, LIU J, et al. Research on laser crack-precontrolling technology for 50SiMnVB [J]. Acta Armamentarii, 2018, 39(10): 1997–2005. DOI: 10.3969/j.issn.1000-1093.2018.10.016.
    [4] 马宇宇, 李梅, 邱浩, 等. 电子束局部扫描对35CrMnSiA钢组织和力学性能的影响 [J]. 兵器装备工程学报, 2019, 40(9): 204–207. DOI: 10.11809/bqzbgcxb2019.09.042.

    MA Y Y, LI M, QIU H, et al. Effect of electron beam local scanning on microstructure and mechanical properties of 35CrMnSiA steel [J]. Journal of Ordnance Equipment Engineering, 2019, 40(9): 204–207. DOI: 10.11809/bqzbgcxb2019.09.042.
    [5] 刘峰涛, 袁书强, 陈炯, 等. 高能束控制破碎弹体威力对研究 [J]. 兵器材料科学与工程, 2008, 31(1): 67–70. DOI: 10.3969/j.issn.1004-244X.2008.01.018.

    LIU F T, YUAN S Q, CHENG J, et al. Comparative study on the shell power after high-energy-beam controlled fragmentation [J]. Ordnance Material Science and Engineering, 2008, 31(1): 67–70. DOI: 10.3969/j.issn.1004-244X.2008.01.018.
    [6] 李华, 李国昌, 陈炯, 等. 高能束控制破碎模拟弹体破片分布试验研究 [J]. 兵器材料科学与工程, 2009, 32(5): 81–83. DOI: 10.3969/j.issn.1004-244X.2009.05.024.

    LI H, LI G C, CHENG J, et al. Fragment distribution of high-energy-beam controlled fragmentation simulation shell [J]. Ordnance Material Science and Engineering, 2009, 32(5): 81–83. DOI: 10.3969/j.issn.1004-244X.2009.05.024.
    [7] 陈炯, 袁书强, 周春华, 等. 高能束控制破碎钨合金壳体破碎效果研究 [J]. 兵器材料科学与工程, 2010, 33(6): 62–64. DOI: 10.3969/j.issn.1004-244X.2010.06.019.

    CHEN J, YUAN S Q, ZHOU C H, et al. Fragment effect of tungsten alloy shells controlled by high-energy-beam [J]. Ordnance Material Science and Engineering, 2010, 33(6): 62–64. DOI: 10.3969/j.issn.1004-244X.2010.06.019.
    [8] 沈正祥, 袁书强, 陈炯, 等. 局部淬火金属柱壳破碎性的研究 [J]. 高压物理学报, 2015, 29(4): 293–298. DOI: 10.11858/gywlxb.2015.04.009.

    SHEN Z X, YUAN S Q, CHEN J, et al. Fragmentation of metal cylindrical shell treated by local quenching [J]. Chinese Journal of High Pressure Physics, 2015, 29(4): 293–298. DOI: 10.11858/gywlxb.2015.04.009.
    [9] 袁书强, 沈正详, 李亚哲, 等. 弹体材料性能对预控破片威力的影响 [J]. 科学技术与工程, 2016, 16(9): 195–195. DOI: 10.3969/j.issn.1671-1815.2016.09.034.

    YUAN S Q, SHEN Z X, LI Y Z, et al. Influence of case material on controlled fragmentation performance [J]. Science Technology and Engineering, 2016, 16(9): 195–195. DOI: 10.3969/j.issn.1671-1815.2016.09.034.
    [10] 沈正祥, 袁书强, 杨辉, 等. 电子束局部扫描对40CrMnSiB钢组织与冲击性能的影响 [J]. 金属热处理, 2017, 42(1): 87–90. DOI: 10.13251/j.issn.0254-6051.2017.01.020.

    SHEN Z X, YUAN S Q, YANG H, et al. Effect of electron beam local scanning on microstructure and impact property of 40CrMnSiB steel [J]. Heat Treatment of Metals, 2017, 42(1): 87–90. DOI: 10.13251/j.issn.0254-6051.2017.01.020.
    [11] 刘桂峰. 激光加工弹体破片形成及杀伤威力研究[D]. 南京: 南京理工大学, 2015.

    LIU G F. Study on the formation and lethality of fragments of laser processing casing [D]. Nanjing: Nanjing University of Science & Technology, 2015.
    [12] 陈帅. 弹体改性区对弹丸过载性能和破片形成的影响[D]. 南京: 南京理工大学, 2014.

    CHEN S. Influence of projectile property-changing zone to overloading capability and to form fragments [D]. Nanjing: Nanjing University of Science & Technology, 2014.
    [13] JOHNSON G R, COOK W H. Fracture characteristics of three metals subjected to various strains, strain rates, tempeatures and pressures [J]. Engineering Fracture Mechanics, 1985, 21(1): 31–48. DOI: 10.1016/0013-7944(85)90052-9.
    [14] 李硕. 强冲击载荷下35CrMnSi动态力学行为与断裂机理研究[D]. 太原: 中北大学, 2015.

    LI S. Research on dynamic mechanical behavior and fracture mechanisem of 35CrMnSi under strong impact load [D]. Taiyuan: North University of China, 2015.
    [15] MURPHY M J, LEE E L. Modeling shock initiation in Composition B [C]// 10th International Detonation Symposium. US: Lawrence Livermore National Laboratory, 1993, 963−970.
    [16] 隋树元, 王树山. 终点效应学 [M]. 北京: 国防工业出版社, 2000: 57−58.

    SUI S Y, WANG S S. Terminal effects [M]. Beijing: National Defense Industry Press, 2000: 57−58.
    [17] 刘鸿文. 材料力学 [M]. 北京: 高等教育出版社, 2010: 217−219.

    LIU H W. Material mechanics [M]. Beijing: Higher Education Press, 2010: 217−219.
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出版历程
  • 收稿日期:  2020-07-01
  • 修回日期:  2020-09-25
  • 网络出版日期:  2021-07-05
  • 刊出日期:  2021-07-05

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