35 GPa斜波加载下RDX单晶炸药的动力学行为

种涛 张朝辉 王贵林 傅华 李涛 随志磊 郑贤旭

种涛, 张朝辉, 王贵林, 傅华, 李涛, 随志磊, 郑贤旭. 35 GPa斜波加载下RDX单晶炸药的动力学行为[J]. 高压物理学报, 2022, 36(3): 030103. doi: 10.11858/gywlxb.20210803
引用本文: 种涛, 张朝辉, 王贵林, 傅华, 李涛, 随志磊, 郑贤旭. 35 GPa斜波加载下RDX单晶炸药的动力学行为[J]. 高压物理学报, 2022, 36(3): 030103. doi: 10.11858/gywlxb.20210803
CHONG Tao, ZHANG Zhaohui, WANG Guilin, FU Hua, LI Tao, SUI Zhilei, ZHENG Xianxu. Dynamic Behaviors of RDX Single Crystal under Ramp Wave Compression up to 35 GPa[J]. Chinese Journal of High Pressure Physics, 2022, 36(3): 030103. doi: 10.11858/gywlxb.20210803
Citation: CHONG Tao, ZHANG Zhaohui, WANG Guilin, FU Hua, LI Tao, SUI Zhilei, ZHENG Xianxu. Dynamic Behaviors of RDX Single Crystal under Ramp Wave Compression up to 35 GPa[J]. Chinese Journal of High Pressure Physics, 2022, 36(3): 030103. doi: 10.11858/gywlxb.20210803

35 GPa斜波加载下RDX单晶炸药的动力学行为

doi: 10.11858/gywlxb.20210803
基金项目: 国家自然科学基金(11772311);科学挑战计划(TZ2016001);冲击波物理与爆轰物理重点实验室基金(6142A03192007)
详细信息
    作者简介:

    种 涛(1986-),男,博士,主要从事动高压加载技术和材料动力学行为研究.E-mail:maoda318@163.com

    通讯作者:

    郑贤旭(1977-),男,博士,研究员,主要从事含能材料物性及实验诊断技术研究.E-mail:zxxgoal109@sina.com

  • 中图分类号: O521.2; O347.3

Dynamic Behaviors of RDX Single Crystal under Ramp Wave Compression up to 35 GPa

  • 摘要: 利用磁驱动斜波加载10 MA装置和激光干涉测速技术,开展了35 GPa压力下(100)晶向RDX单晶炸药的斜波压缩实验,获得了RDX单晶/LiF单晶窗口界面速度数据。实验结果显示,速度波剖面表现为明显的三波结构,由低到高依次对应弹性波、塑性波和相变波,α-γ相变的起始压力为3.1 GPa。结合修正的多相状态方程和非平衡相变动力学模型,对RDX单晶炸药的斜波压缩过程开展一维流体动力学数值模拟,模拟结果与实验结果基本一致。

     

  • 图  实验负载区布局(单位:mm)

    Figure  1.  Layout of loading area (Unit: mm)

    图  RDX单晶的斜波加载实验得到的速度曲线

    Figure  2.  Experimental velocity curves of RDX single crystals under ramp wave loading

    图  RDX单晶斜波加载实验和数值模拟得到的速度曲线

    Figure  3.  Experimental and simulated velocity curves of RDX single crystals under ramp wave loading

    图  RDX单晶的拉氏声速-粒子速度关系和压力-相对比容关系

    Figure  4.  Longitudinal sound velocity-partical velocity and pressure-relative specific volume of RDX single crystals

    表  1  实验条件

    Table  1.   Experimental condition

    ComponentMaterialThickness/mm ComponentMaterialThickness/mm
    Plate ⅠAl0.535 Plate ⅢAl0.542
    Sample ⅠRDX (100)0.560Sample ⅢRDX (100)0.740
    Window ⅠLiF8.000Window ⅢLiF8.000
    Plate ⅡAl0.533Plate ⅣAl0.585
    Sample ⅡRDX (100)0.660Window ⅣLiF8.000
    Window ⅡLiF8.000
      Note: The diameter of the four windows is 12.2 mm.
    下载: 导出CSV

    表  2  数值模型参数

    Table  2.   Parameters for numerical simulation

    Materialτ/nsnYield strength/GPaPhaseKξ0/GPa$K{_\xi} '$
    RDX (100)301.30.59$\alpha $13.017.20
    $\,\beta $10.566.03
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-05-26
  • 修回日期:  2021-06-03
  • 刊出日期:  2022-05-30

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