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陶瓷复合装甲优化设计及弹击后剩余弯曲强度

陈智勇 徐颖强 李妙玲 李彬 肖立 宋伟志

陈智勇, 徐颖强, 李妙玲, 等. 陶瓷复合装甲优化设计及弹击后剩余弯曲强度[J]. 复合材料学报, 2022, 40(0): 1-13
引用本文: 陈智勇, 徐颖强, 李妙玲, 等. 陶瓷复合装甲优化设计及弹击后剩余弯曲强度[J]. 复合材料学报, 2022, 40(0): 1-13
Zhiyong CHEN, Yingqiang XU, Miaoling LI, Bin LI, Li XIAO, Weizhi SONG. Optimum design of ceramic composite armor and residual bending strength after projectile impact[J]. Acta Materiae Compositae Sinica.
Citation: Zhiyong CHEN, Yingqiang XU, Miaoling LI, Bin LI, Li XIAO, Weizhi SONG. Optimum design of ceramic composite armor and residual bending strength after projectile impact[J]. Acta Materiae Compositae Sinica.

陶瓷复合装甲优化设计及弹击后剩余弯曲强度

基金项目: 国家重点研发计划项目 (2020YFB2010200);河南省科技攻关项目(212102210284,212102210588,222102220021);河南省高等学校重点科研项目(21A110016)
详细信息
    通讯作者:

    徐颖强,博士,教授,博士生导师,研究方向为新型车辆先进技术 E-mail: xuyngqng@nwpu.edu.cn

  • 中图分类号: V259;TJ810.38

Optimum design of ceramic composite armor and residual bending strength after projectile impact

  • 摘要: 根据防护要求和防护机理,设计了一种C/C-SiC陶瓷/铝基复合泡沫复合装甲。在确保复合装甲面密度为44 kg/m2的前提下,以弹击后剩余弯曲强度为评价标准,以陶瓷板布置位置、各组成层厚度、泡沫金属中泡沫孔径尺寸为研究因素,设计了三因素三水平的正交模拟优化方案,利用有限元软件ABAQUS模拟了子弹侵彻陶瓷靶板的过程以及弹击损伤后复合装甲的弯曲实验过程,预测了剩余弯曲强度,并进行了结构优化。根据数值模拟结果制备陶瓷复合装甲试样,进行实弹打靶和弯曲实验以验证复合装甲试样剩余弯曲强度。结果表明,以MIL-A-46103E Ⅲ类2A级为防护标准,剩余弯曲强度最高的陶瓷复合装甲最优化结构形式为:陶瓷板厚度12 mm、陶瓷板做防弹面板、Al基复合泡沫孔径为4 mm+10 mm的混合;对剩余弯曲强度的主次影响因素排序为:陶瓷板厚度>陶瓷板布置位置>Al基复合泡沫孔径。

     

  • 图  1  陶瓷复合装甲结构示意图

    Figure  1.  Structural diagram of ceramic composite armor

    图  2  子弹侵彻靶板有限元模型

    Figure  2.  Finite element model of bullet penetrating target

    图  3  子弹侵彻C/C-SiC陶瓷/铝基复合泡沫复合装甲靶板应力波传递过程

    Figure  3.  Stress wave transmission process of bullet penetrating C/C-SiC ceramic/Al-based foam metal composite armour target

    图  4  方案1子弹侵彻C/C-SiC陶瓷/铝基复合泡沫复合装甲靶板后应力云图

    Figure  4.  Scheme 1 stress nephogram after bullet penetrating C/C-SiC ceramic/Al-based foam metal composite armour target

    图  5  方案1子弹侵彻C/C-SiC陶瓷/铝基复合泡沫复合装甲靶板速度-时间历程曲线

    Figure  5.  Scheme 1 velocity-time history curve of bullet penetrating C/C-SiC ceramic/Al-based foam metal composite armour target

    图  6  C/C-SiC陶瓷/铝基复合泡沫复合装甲靶板弯曲破损后应力云图

    Figure  6.  Stress nephogram of C/C-SiC ceramic/Al-based foam metal composite armour target after bending and damage

    图  7  弹击后C/C-SiC陶瓷/铝基复合泡沫复合装甲靶板被弯曲过程中载荷-时间历程曲线

    Figure  7.  Load-time history curve of C/C-SiC ceramic/Al-based foam metal composite armour target bending after projectile impact

    图  8  未涂层的C/C-SiC陶瓷防弹面板

    Figure  8.  Uncoated C/C-SiC Ceramic bulletproof panel

    图  9  空心陶瓷球预制体

    Figure  9.  Hollow ceramic ball preform

    图  10  碳化后的空心陶瓷球

    Figure  10.  Carbonized hollow ceramic ball

    图  11  石墨模具

    Figure  11.  Graphite mould

    图  12  未清理破碎空心陶瓷球的金属基复合泡沫试样

    Figure  12.  Metal matrix composite foam for unbroken hollow ceramic balls

    图  13  覆盖止裂层的陶瓷复合装甲

    Figure  13.  Ceramic composite armor covered with crack arrest layer

    图  14  弯曲载荷作用下C/C-SiC陶瓷/铝基复合泡沫复合装甲靶板的形态

    Figure  14.  Shape of C/C-SiC ceramic/Al-based foam metal composite armour target under bending load

    图  15  弹击后C/C-SiC陶瓷/铝基复合泡沫复合装甲靶板

    Figure  15.  C/C-SiC ceramic/Al-based foam metal composite armour target after projectile impact

    图  16  C/C-SiC陶瓷/铝基复合泡沫复合装甲靶板弹坑形貌

    Figure  16.  Crater morphology of C/C-SiC ceramic/Al-based foam metal composite armour target

    图  17  C/C-SiC陶瓷/铝基复合泡沫复合装甲靶板弯曲破坏形貌

    Figure  17.  Bending failure morphology of C/C-SiC ceramic/Al-based foam metal composite armour target

    图  18  C/C-SiC陶瓷/铝基复合泡沫复合装甲靶板弯曲力-位移曲线

    Figure  18.  C/C-SiC ceramic/Al-based foam metal composite armour target bending force-displacement curve

    表  1  陶瓷板及对应金属(Al)基复合泡沫板厚度取值

    Table  1.   Thickness of ceramic plate and corresponding metal (Al) based composite foam board

    Material
    category
    Density /(g·cm−3)Thickness
    /mm
    C/C-SiC ceramics1.9881012
    Al-based foam metal ( Aperture 4 mm)1.28621.918.815.7
    Al-based foam metal ( Aperture 10 mm)1.28621.918.815.7
    Al-based foam metal ( Aperture 4 mm+10 mm)1.25322.519.316.2
    下载: 导出CSV

    表  2  正交模拟设计方案

    Table  2.   Orthogonal simulation design scheme

    SchemeCeramic plate layout position(A)Thickness of ceramic plate(B)/mmAl-based foam metal aperture(C)/mm
    1Bulletproof panel84
    2Bulletproof panel1010
    3Bulletproof panel124 mm+10 mm blend
    4Bulletproof back plate104 mm+10 mm blend
    5Bulletproof back plate124
    6Bulletproof back plate810
    7Intermediate interlayer1210
    8Intermediate interlayer84 mm+10 mm blend
    9Intermediate interlayer104
    下载: 导出CSV

    表  3  C/C-SiC陶瓷/铝基复合泡沫复合装甲靶板剩余弯曲强度数值模拟结果

    Table  3.   Numerical simulation results of residual bending strength of C/C-SiC ceramic/Al-based foam metal composite armour target

    SchemeCeramic plate
    layout position
    (A)
    Thickness of
    ceramic plate
    (B)/mm
    Al-based foam
    metal aperture
    (C)/mm
    Fulcrum distance/
    mm
    Stressed
    section
    area/mm
    Simulated value of residual
    bending strength
    Maximum load/kNResidual bending
    strength /MPa
    1Bulletproof panel84180210×29.96.218.93
    2Bulletproof panel1010180210×28.86.119.47
    3Bulletproof panel124+10
    Blend
    180210×28.26.7010.83
    4Bulletproof back plate104+10
    Blend
    180210×29.36.129.17
    5Bulletproof back plate124180210×27.75.198.70
    6Bulletproof back plate810180210×29.95.868.43
    7Intermediate interlayer1210180210×27.75.599.37
    8Intermediate interlayer84+10
    Blend
    180210×30.55.818.03
    9Intermediate interlayer104180210×28.86.4710.03
    k19.748.479.22
    k 28.779.569.09
    k39.149.639.34
    Rj0.981.160.25
    下载: 导出CSV

    表  4  C/C-SiC陶瓷试样性能参数

    Table  4.   Performance parameters of C / C-SiC Ceramic samples

    Bulletproof panelDensity/(g·cm-3)Residual bending strength /MPaTensile strength/MPaFracture toughness /(MPa·m1/2)Vickers hardness / GPa
    C/C-SiC2.0946824219.517.2
    下载: 导出CSV

    表  5  Al基复合泡沫材料性能参数

    Table  5.   Performance parameters of Al based composite foams

    Bulletproof back plateElongation /%Density/
    (kg·m−3)
    Energy absorption density/(MJ·m−3)
    Al-based foam metal8.498030.1
    下载: 导出CSV

    表  6  防弹测试实验参数

    Table  6.   Experimental parameters of bulletproof test

    SchemeSample quality/kgSample area density/(kg·m−2)Firing angle/(°)Warhead speed/(m·s−1)Shot situation
    11.96344.510486No breakdown
    21.93743.920487No breakdown
    31.95444.310485No breakdown
    下载: 导出CSV

    表  7  C/C-SiC陶瓷/铝基复合泡沫复合装甲靶板剩余弯曲强度实验与数值模拟结果对比

    Table  7.   Comparison between experimental and numerical simulation results of residual bending strength of C/C-SiC ceramic/Al-based foam metal composite armour target

    SchemeCeramic plate
    layout
    position(A)
    Thickness of
    ceramic
    plate(B)/
    mm
    Al-based
    foam metal
    aperture(C)/
    mm
    Fulcrum
    distance/
    mm
    Stressed
    section
    area/mm
    Simulated value
    of residual
    bending strength
    Measured value
    of residual
    bending strength
    Maximum
    load/
    kN
    Bending
    strength/
    MPa
    Maximum
    load/
    kN
    Residual bending
    strength/
    MPa
    1Bulletproof panel84180210×29.96.218.935.898.47
    2Bulletproof panel1010180210×28.86.119.476.249.67
    3Bulletproof panel124+10
    Blend
    180210×28.26.7010.836.3510.27
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-12-27
  • 录用日期:  2022-01-22
  • 修回日期:  2022-01-16
  • 网络出版日期:  2022-02-23

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