长杆弹撞击装甲陶瓷界面击溃/侵彻特性

谈梦婷 张先锋 包阔 魏海洋 韩国庆

谈梦婷, 张先锋, 包阔, 魏海洋, 韩国庆. 长杆弹撞击装甲陶瓷界面击溃/侵彻特性[J]. 爆炸与冲击, 2021, 41(3): 031406. doi: 10.11883/bzycj-2020-0338
引用本文: 谈梦婷, 张先锋, 包阔, 魏海洋, 韩国庆. 长杆弹撞击装甲陶瓷界面击溃/侵彻特性[J]. 爆炸与冲击, 2021, 41(3): 031406. doi: 10.11883/bzycj-2020-0338
TAN Mengting, ZHANG Xianfeng, BAO Kuo, WEI Haiyang, HAN Guoqing. Characteristics of interface defeat and penetration during the impact between a ceramic armor and a long-rod projectile[J]. Explosion And Shock Waves, 2021, 41(3): 031406. doi: 10.11883/bzycj-2020-0338
Citation: TAN Mengting, ZHANG Xianfeng, BAO Kuo, WEI Haiyang, HAN Guoqing. Characteristics of interface defeat and penetration during the impact between a ceramic armor and a long-rod projectile[J]. Explosion And Shock Waves, 2021, 41(3): 031406. doi: 10.11883/bzycj-2020-0338

长杆弹撞击装甲陶瓷界面击溃/侵彻特性

doi: 10.11883/bzycj-2020-0338
基金项目: 国家自然科学基金(11772159);中央高校基本科研业务费专项资金(30920021108)
详细信息
    作者简介:

    谈梦婷(1991- ),女,博士,mengting.tan@njust.edu.cn

    通讯作者:

    张先锋(1978- ),男,博士,教授,lynx@njust.edu.cn

  • 中图分类号: O385

Characteristics of interface defeat and penetration during the impact between a ceramic armor and a long-rod projectile

  • 摘要: 界面击溃/驻留效应可以有效提高装甲陶瓷的抗侵彻能力。为研究长杆弹撞击装甲陶瓷界面击溃及侵彻特性,开展了长杆弹撞击装甲陶瓷实验研究。同时,基于裂纹扩展理论建立了考虑界面击溃/驻留效应的长杆弹侵彻装甲陶瓷计算模型,以定量描述界面击溃/驻留效应对装甲陶瓷抗侵彻性能的影响。不同弹靶条件下的界面击溃/侵彻转变速度、界面驻留时间、侵彻速度与侵彻深度的理论计算值与实验结果具有较好的一致性,表明计算模型可靠。在此基础上,分析了弹体及陶瓷材料对界面击溃/驻留及侵彻过程的影响规律。研究结果表明:随着弹体撞击速度的提高,陶瓷表面由界面击溃向侵彻转变。考虑界面击溃/驻留效应的长杆弹侵彻装甲陶瓷理论模型,可以较好地反映不同弹体撞击速度对应的弹靶作用模式。弹体材料的屈服强度和密度越高,界面驻留时间越短,弹体侵彻靶体的能力越强;陶瓷的屈服强度越高,界面击溃/驻留效应越显著,靶体的抗侵彻能力越强。考虑界面击溃/驻留效应的长杆弹侵彻装甲陶瓷理论模型揭示了部分界面击溃作用机理,可为陶瓷复合靶的设计提供参考。
  • 图  1  考虑界面击溃/驻留的长杆弹侵彻装甲陶瓷模型

    Figure  1.  A theoretical model of penetration process of ceramic subjected to projectile impact by considering interface defeat/dwell

    图  2  弹靶实物照片

    Figure  2.  Photos of projectile and target

    图  3  长杆弹撞击装甲陶瓷实验总体布局示意图

    Figure  3.  Experimental layout for the impact of a long-rod projectile into a ceramic armor plate

    图  4  装甲陶瓷界面被击溃后回收靶体表面的破坏情况

    Figure  4.  Surface damage of recovered armor ceramics after interface defeat

    图  5  锥形头部长杆弹以1 037 m/s的速度侵彻装甲陶瓷后回收的靶体

    Figure  5.  Recovered target after penetration of a cone-nosed long-rod projectile with the velocity of 1 037 m/s into ceramics

    图  6  剩余侵彻深度随撞击速度的变化

    Figure  6.  Residual penetration depth varied with impact velocity

    图  7  不同材料弹体界面击溃/侵彻过程结果对比

    Figure  7.  Comparison of interface defeat/penetration among projectiles with different materials

    图  8  不同陶瓷材料对应的界面击溃、侵彻特性与撞击速度的关系

    Figure  8.  Comparison of interface defeat/penetration between ceramics with different materials

    表  1  不同撞击速度弹体侵彻陶瓷后金属靶中剩余侵彻深度

    Table  1.   Residual depths of penetration in metal targets after penetration of long-rod projectiles with different velocities into ceramics

    弹体类型初始撞击速度/(m·s−1)剩余侵彻深度/mm
    柱形头部长杆弹 7320
    843 2.4
    97921.5
    1 08434.5
    锥形头部长杆弹 8770
    9760
    1 03717.5
    下载: 导出CSV

    表  2  长杆弹相关参数

    Table  2.   Material parameters of long-rod projectiles

    材料密度/(kg·m−3)体积模量/GPa压缩屈服强度/GPa来源
    19 300180文献[32]
    10 2202380.9文献[10]
    钨合金17 6002801.2
    下载: 导出CSV

    表  3  陶瓷相关参数

    Table  3.   Material parameters of ceramics

    材料密度/(kg·m−3)弹性模量/GPa泊松比压缩屈服强度/GPa来源
    SiC-N 3 200文献[32]
    SiC-F>3 150430 文献[33]
    SiC-B 3 215446 0.1612.2文献[13-14]
    SiC-1 3 220446*0.1710.4文献[10, 13]
    B4C 2 500432 0.1715.8文献[10, 34]
    SiC 3 150440 0.16
     注:*为弹性模量估算值。
    下载: 导出CSV

    表  4  背板材料参数

    Table  4.   Material parameters of back plate

    材料厚度/mm密度/(kg·m−3)拉伸强度/MPa弹性模量/GPa来源
    RHA 407 850900文献[33]
    Mar 350 24文献[13]
    45钢1007 830600200
    下载: 导出CSV

    表  5  界面击溃/侵彻转变速度的理论计算计算结果与实验结果

    Table  5.   Comparison between calculation and experimental results of transition velocity

    弹体类型界面击溃/侵彻转变速度/(m·s−1)转变速度误差/%
    实验理论
    柱形头部长杆弹 785±55860±60 9.5
    锥形头部长杆弹1 005±25920±70−8.5
    下载: 导出CSV

    表  6  界面击溃驻留时间与侵彻深度与实验对比

    Table  6.   Comparison between calculation and experimental results of penetration depth and dwell time

    撞击速度/(m·s−1)侵彻深度/mm侵彻深度误差/%驻留时间/μs
    实验理论
    7320061.0
    8432.42.3 −4.23.7
    97921.521.6 −0.50
    1 08434.530.7−11.00
    下载: 导出CSV

    表  7  侵彻速度理论值与实验结果[32]对比

    Table  7.   Comparison between calculation and experimental results[32] of penetration velocity

    撞击速度/(m·s−1)侵彻速度/(m·s−1)侵彻速度误差/%
    实验理论
    776±20 0
    958±4232±22207−10.3±8.4
    1 212±6482±40444 −7.6±8.0
    1 381±7598±43596 0.2±7.2
    下载: 导出CSV
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出版历程
  • 收稿日期:  2020-09-22
  • 修回日期:  2020-10-15
  • 网络出版日期:  2021-03-05
  • 刊出日期:  2021-03-10

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