分层地质类材料靶体抗超高速侵彻模型实验

程怡豪 邓国强 李干 宋春明 邱艳宇 张中威 王德荣 王明洋

程怡豪, 邓国强, 李干, 宋春明, 邱艳宇, 张中威, 王德荣, 王明洋. 分层地质类材料靶体抗超高速侵彻模型实验[J]. 爆炸与冲击, 2019, 39(7): 073301. doi: 10.11883/bzycj-2018-0230
引用本文: 程怡豪, 邓国强, 李干, 宋春明, 邱艳宇, 张中威, 王德荣, 王明洋. 分层地质类材料靶体抗超高速侵彻模型实验[J]. 爆炸与冲击, 2019, 39(7): 073301. doi: 10.11883/bzycj-2018-0230
CHENG Yihao, DENG Guoqiang, LI Gan, SONG Chunming, QIU Yanyu, ZHANG Zhongwei, WANG Derong, WANG Mingyang. Model experiments on penetration of layered geological material targets by hypervelocity rob projectiles[J]. Explosion And Shock Waves, 2019, 39(7): 073301. doi: 10.11883/bzycj-2018-0230
Citation: CHENG Yihao, DENG Guoqiang, LI Gan, SONG Chunming, QIU Yanyu, ZHANG Zhongwei, WANG Derong, WANG Mingyang. Model experiments on penetration of layered geological material targets by hypervelocity rob projectiles[J]. Explosion And Shock Waves, 2019, 39(7): 073301. doi: 10.11883/bzycj-2018-0230

分层地质类材料靶体抗超高速侵彻模型实验

doi: 10.11883/bzycj-2018-0230
基金项目: 国家自然科学基金(51409258,11602303,11772355,2017M621752);教育部长江学者和创新团队发展计划(IRT13071)
详细信息
    作者简介:

    程怡豪(1986- ),男,博士,讲师,05105432@163.com

    通讯作者:

    李 干(1985- ),男,博士,讲师,ligan1205@163.com

  • 中图分类号: O347

Model experiments on penetration of layered geological material targets by hypervelocity rob projectiles

  • 摘要: 利用二级轻气炮开展了杆形钢弹在10马赫左右条件下对4种分层地质类材料靶体的超高速侵彻模型实验,重点研究了砂浆层位置和空气隔层对侵彻效应的影响。结果表明增加遮弹层与下部结构间的空气隔层、在整个结构顶部设置疏松砂浆层均可以在一定条件下加剧弹体破坏、减小结构层的侵彻深度,但同时会增加遮弹层的表面成坑效应。从减小结构层的侵彻深度出发,“软-硬-软-硬”的分层设计思路对抵抗超高速弹体侵彻是可行的。
  • 图  1  弹体与弹托

    Figure  1.  Projectile and sabot

    图  2  靶体的分层设计

    Figure  2.  Sets of layered targets

    图  3  方案A的破坏现象

    Figure  3.  Damage phenomena in experimental set A

    图  4  方案B的破坏现象

    Figure  4.  Damage phenomena in experimental set B

    图  5  方案C的破坏现象

    Figure  5.  Damage phenomena in experimental set C

    图  6  方案D的破坏现象

    Figure  6.  Damage phenomena in experimental set D

    图  7  实验前和实验后的弹体形态与长度

    Figure  7.  Profiles and length of projectiles before and after experiment

    表  1  弹靶材料的基本材料参数

    Table  1.   Basic parameters of materials of projectile and target

    材料 密度/
    (kg·m−3
    单轴抗压强度/
    MPa
    硬度 纵波声速/
    (m·s−1
    30CrMnSi2A 7 850 1 920 HRC50
    花岗岩 2 650 89.0 4 672
    砂浆 1 850 3.84 2 439
    混凝土 2 202 17.9 3 509
    下载: 导出CSV

    表  2  成坑几何特征参数的量测结果

    Table  2.   Measurements of geometrical character of craters

    实验方案 撞击速度/(m·s−1 D1f/mm D1b/mm D1p/mm h1s/mm Df/mm Dc/mm hc/mm
    A 3 486.5 170~220 166~192 77~83 26 30 55.7
    B 3 447.9 202~268 185~216 76~81 28 17 23.9
    C 3 432.7 165~202 49 57.6
    D 3 440.3 178~221 52 48.1
    下载: 导出CSV
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出版历程
  • 网络出版日期:  2019-06-25
  • 刊出日期:  2019-07-01

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