平头弹穿透间隙式双层靶的穿甲模式

刘兵 陈小伟

刘兵, 陈小伟. 平头弹穿透间隙式双层靶的穿甲模式[J]. 爆炸与冲击, 2016, 36(1): 24-30. doi: 10.11883/1001-1455(2016)01-0024-07
引用本文: 刘兵, 陈小伟. 平头弹穿透间隙式双层靶的穿甲模式[J]. 爆炸与冲击, 2016, 36(1): 24-30. doi: 10.11883/1001-1455(2016)01-0024-07
Liu Bing, Chen Xiaowei. Perforation modes of double-layered plates with air space struckby a blunt rigid projectile[J]. Explosion And Shock Waves, 2016, 36(1): 24-30. doi: 10.11883/1001-1455(2016)01-0024-07
Citation: Liu Bing, Chen Xiaowei. Perforation modes of double-layered plates with air space struckby a blunt rigid projectile[J]. Explosion And Shock Waves, 2016, 36(1): 24-30. doi: 10.11883/1001-1455(2016)01-0024-07

平头弹穿透间隙式双层靶的穿甲模式

doi: 10.11883/1001-1455(2016)01-0024-07
基金项目: 

国家自然科学基金国家杰出青年科学基金项目 11225213

详细信息
    作者简介:

    刘兵(1987—),男,硕士,工程师

    通讯作者:

    陈小伟, chenxiaoweintu@yahoo.com

  • 中图分类号: O385

Perforation modes of double-layered plates with air space struckby a blunt rigid projectile

  • 摘要: 平头弹贯穿单层金属靶,随着靶厚的增加和弹速的增高,穿甲模式均可能由剪切冲塞向绝热剪切冲塞转换。因此,对于双层或多层靶的穿甲,其不同层的靶板失效模式可能是不同的。本文中对相关的平头弹穿甲Weldox 700E单层及双层间隙式钢靶的实验数据进行分析,讨论其穿甲模式。弹速较高时,贯穿第1层靶发生绝热剪切失效,弹速降低,贯穿第2层靶板发生绝热剪切失效或剪切冲塞失效, 最终失效模式为绝热剪切和剪切冲塞混杂。
  • 图  1  平头弹撞击单层金属靶

    Figure  1.  Blunt rigid projectile striking single-layered metal plate

    图  2  平头弹撞击间隙式双层靶

    Figure  2.  Blunt rigid projectile striking double-layered metal plate

    表  1  实验结果和数值模拟结果

    Table  1.   Experimental results and numerical simulation results

    vi/(m·s-1) vr/(m·s-1)
    实验[1] 剪切冲塞模型 绝热剪切冲塞模型 绝热/剪切冲塞混杂模型
    第1层 第2层 第1层 第2层 第1层 第2层
    400.0 - 317.5 275.8 309.5 254.9 309.5 254.9
    380.0 - 300.1 258.3 291.6 235.3 291.6 235.3
    360.0 - 282.7 240.5 273.6 214.8 273.6 214.8
    351.1 189.9 274.9 232.5 265.4 205.3 265.4 205.3
    330.0 - 256.3 213.0 245.9 180.9 245.9 180.9
    309.4 89.8 238.0 193.1 226.5 157.2 226.5 157.2
    297.0 155.6 226.8 180.7 214.5 143.8 214.5 143.8
    296.7 97.7 226.6 180.4 214.2 142.3 214.2 142.3
    296.0 - 225.9 179.6 213.5 141.1 213.5 141.1
    295.5 - 225.5 179.1 213.0 0 213.0 140.4
    282.6 86.4 213.7 165.5 200.2 0 200.2 127.2
    270.8 96.6 202.9 152.1 188.1 0 188.1 113.4
    269.3 128.4 201.5 150.4 186.6 0 186.6 111.5
    261.0 - 193.7 140.1 177.8 0 177.8 96.3
    260.3 - 193.1 139.2 177.0 0 177.0 0
    259.7 73.3 192.5 138.4 176.3 0 176.3 0
    255.0 - 188.1 132.1 171.2 0 171.2 0
    251.7 0 184.9 127.3 167.5 0 167.5 0
    249.1 101.7 182.4 123.3 164.5 0 164.5 0
    244.0 69.6 177.5 114.4 158.6 0 158.6 0
    238.0 - 171.7 98.2 151.2 0 151.2 0
    237.5 - 171.2 0 150.6 0 150.6 0
    225.2 0 159.0 0 133.7 0 133.7 0
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出版历程
  • 收稿日期:  2014-07-03
  • 修回日期:  2015-02-06
  • 刊出日期:  2016-01-25

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