纤维编织材料超高速撞击特性实验研究

苗常青 徐铧东 靳广焓 孙甜甜 祖振南

苗常青, 徐铧东, 靳广焓, 孙甜甜, 祖振南. 纤维编织材料超高速撞击特性实验研究[J]. 高压物理学报, 2019, 33(2): 024203. doi: 10.11858/gywlxb.20180654
引用本文: 苗常青, 徐铧东, 靳广焓, 孙甜甜, 祖振南. 纤维编织材料超高速撞击特性实验研究[J]. 高压物理学报, 2019, 33(2): 024203. doi: 10.11858/gywlxb.20180654
MIAO Changqing, XU Huadong, JIN Guanghan, SUN Tiantian, ZU Zhennan. Experimental Study of Hypervelocity Impact Characteristics for Fiber Fabric Materials[J]. Chinese Journal of High Pressure Physics, 2019, 33(2): 024203. doi: 10.11858/gywlxb.20180654
Citation: MIAO Changqing, XU Huadong, JIN Guanghan, SUN Tiantian, ZU Zhennan. Experimental Study of Hypervelocity Impact Characteristics for Fiber Fabric Materials[J]. Chinese Journal of High Pressure Physics, 2019, 33(2): 024203. doi: 10.11858/gywlxb.20180654

纤维编织材料超高速撞击特性实验研究

doi: 10.11858/gywlxb.20180654
详细信息
    作者简介:

    苗常青(1972-),男,博士,教授,主要从事柔性复合材料与充气结构研究. E-mail:miaocqhit@163.com

  • 中图分类号: O347; V423

Experimental Study of Hypervelocity Impact Characteristics for Fiber Fabric Materials

  • 摘要: 与铝合金等材料相比,纤维编织材料具有质量轻、可柔性折叠等优点,可应用于柔性充气展开防护结构,进而构建多屏、大间距防护结构,提升防护效率。考虑不同性能纤维编织材料对多屏防护结构防护性能的影响,通过实验研究了不同材料制成的多屏防护结构对空间碎片的防护性能,防护屏材料包括玄武岩纤维编织材料、芳纶纤维编织材料及铝板。在超高速弹丸撞击载荷作用下,与多屏铝板防护结构相比,多屏纤维编织材料防护结构具有更高的防碎片撞击效果;对多屏纤维编织材料防护结构来说,前两屏采用玄武岩纤维编织材料,后两屏采用芳纶纤维编织材料时,防护效果更好,说明多屏防护结构的前置防护屏采用软化温度较高的无机纤维编织材料时,可能会更好地破碎弹丸,从而提高防护结构的碎片撞击防护性能。

     

  • 图  玄武岩纤维编织材料防护屏

    Figure  1.  Scheme of basalt fabric shield

    图  多屏防护结构示意

    Figure  2.  Schematic of multilayer structure shields

    图  多屏防护结构装配图

    Figure  3.  Assembly drawing of multilayer structure shields

    图  实验1撞击实验结果

    Figure  4.  Experiment results of Shot 1

    图  实验2撞击实验结果

    Figure  5.  Experiment results of Shot 2

    图  实验3撞击实验结果

    Figure  6.  Experiment results of Shot 3

    图  实验4撞击实验结果

    Figure  7.  Experimental results of Shot 4

    图  铝板多屏防护结构撞击实验结果

    Figure  8.  Experimental results of Al multilayer structure shields

    表  1  玄武岩和芳纶纤维材料力学性能参数

    Table  1.   Material properties of basalt and aramid fibers

    Material Modulus/GPa Strength/GPa Elongation rate/% Critical temperature/°C
    Basalt fiber 93.1–110 3.8–4.8 3.1 >1050 (Softening)
    Aramid fiber ≥125 4.5–5.5 2.5–3.5 >530 (Decomposition)
    下载: 导出CSV

    表  2  多屏防护结构超高速撞击实验结果对比

    Table  2.   Results of hypervelocity impact tests for multilayer shields

    Exp. No. Structure v/(km·s–1) R/mm n Damage of the 4th shield
    1 BF×3+Al×2 3.80 55 3 Crater×4 (d=0.5–1.0 mm)
    2 AF×3+Al×2 3.83 50 2 No damage
    3 AF×2+BF×2+Al 3.92 51 3 Crater×1 (d=1 mm), bundle fracture×2
    4 BF×2+AF×2+Al 3.84 56 2 No damage
    5 Al×5 3.36 47 3 Small bulge×2
    下载: 导出CSV
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  • 收稿日期:  2018-10-15
  • 修回日期:  2018-11-12

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