高温高压下高能钝感炸药TATB物性及相关实验技术研究进展

孙晓宇 梁文韬 李相东 郜婵 代如成 王中平 张增明

孙晓宇, 梁文韬, 李相东, 郜婵, 代如成, 王中平, 张增明. 高温高压下高能钝感炸药TATB物性及相关实验技术研究进展[J]. 高压物理学报, 2022, 36(3): 030101. doi: 10.11858/gywlxb.20220520
引用本文: 孙晓宇, 梁文韬, 李相东, 郜婵, 代如成, 王中平, 张增明. 高温高压下高能钝感炸药TATB物性及相关实验技术研究进展[J]. 高压物理学报, 2022, 36(3): 030101. doi: 10.11858/gywlxb.20220520
SUN Xiaoyu, LIANG Wentao, LI Xiangdong, GAO Chan, DAI Rucheng, WANG Zhongping, ZHANG Zengming. Advances of High-Temperature and High-Pressure Physical Properties and Experimental Technology on High-Energy Insensitive Explosive TATB[J]. Chinese Journal of High Pressure Physics, 2022, 36(3): 030101. doi: 10.11858/gywlxb.20220520
Citation: SUN Xiaoyu, LIANG Wentao, LI Xiangdong, GAO Chan, DAI Rucheng, WANG Zhongping, ZHANG Zengming. Advances of High-Temperature and High-Pressure Physical Properties and Experimental Technology on High-Energy Insensitive Explosive TATB[J]. Chinese Journal of High Pressure Physics, 2022, 36(3): 030101. doi: 10.11858/gywlxb.20220520

高温高压下高能钝感炸药TATB物性及相关实验技术研究进展

doi: 10.11858/gywlxb.20220520
基金项目: 科学挑战专题(TZ2016001);装备预研重点实验室基金(6142A03202001)
详细信息
    作者简介:

    孙晓宇(1992-),女,博士,主要从事含能材料高温高压物性研究. E-mail:xysun2015@ustc.edu.cn

    通讯作者:

    张增明(1966-),男,博士,教授,主要从事极端条件下含能材料、纳米发光及二维拓扑材料物性研究. E-mail:zzm@ustc.edu.cn

  • 中图分类号: O521.2; O521.3

Advances of High-Temperature and High-Pressure Physical Properties and Experimental Technology on High-Energy Insensitive Explosive TATB

  • 摘要: 1, 3, 5-三氨基-2, 4, 6-三硝基苯(TATB)作为典型的高能钝感炸药之一,在民用、军工等领域具有重要的研究价值。基于科学挑战专题,分别从实验技术和实验成果两方面详细概述了极端条件下TATB的物性研究进展,系统介绍了课题组自主设计和搭建的光谱测试系统和高温高压仪器装置,以及TATB在高压下的光吸收和结构演化规律。另外,还对低温环境下炸药的结构稳定性、高温环境下炸药的热稳定性以及压力参量对样品化学分解进程和热分解机制的影响进行了阐述和讨论。

     

  • 图  TATB的分子结构(a)、晶胞结构(b)和二维氢键网络结构(c–d)(金色球为C原子,蓝色球为N原子,红色球为氧原子,粉色球为H原子)

    Figure  1.  The molecular structure (a), crystal cell structure (b) and two-dimensional hydrogen bond network structure (c–d) of TATB (The golden balls represent C atoms, the blue balls represent N atoms, the red balls represent oxygen atoms and the pink balls represent H atoms.)

    图  (a) 普通高温高压DAC和 (b) 气膜式DAC

    Figure  2.  (a) Common DAC for high temperature and high pressure and (b) gas membrane-type DAC

    图  金刚石对顶砧气体封装系统

    Figure  3.  Gas-loading system of diamond anvil cell

    图  激光共聚焦拉曼光谱仪

    Figure  4.  Laser confocal Raman spectrometer

    图  显微共聚焦吸收光谱仪

    Figure  5.  Confocal absorption spectrometer

    图  (a) TATB晶体的XRD谱和(b)热重-差热曲线

    Figure  6.  XRD pattern (a) and TGA-DSC curves (b) of TATB powder crystal

    图  TATB粉晶的SEM图像

    Figure  7.  SEM images of TATB powder crystal

    图  (a)高压下TATB的吸收光谱;(b) TATB吸收边随压力的移动情况(吸收边由插图中的切线法给出)[36]

    Figure  8.  Absorption spectra of TATB under high pressure (a) and the absorption edge of TATB under high pressure (The absorption edge is given by the tangent method in the inset) (b) [36]

    图  高压下TATB的拉曼光谱:(a) 50~500 cm−1,(b) 500~1100 cm−1,(c) 1100~1350 cm−1,(d) 3000~3500 cm−1

    Figure  9.  Raman spectra of TATB under high pressure: (a) 50−500 cm−1, (b) 500−1100 cm−1, (c) 1100−1350 cm−1, (d) 3000−3500 cm−1

    图  10  TATB晶体的低温拉曼光谱

    Figure  10.  Raman spectra of TATB crystals at low temperatures

    图  11  TATB晶体的低温XRD谱

    Figure  11.  XRD patterns of TATB crystals at low temperatures

    图  12  5 K (a) 和280 K (b)下TATB晶体的XRD谱精修结果

    Figure  12.  Refined XRD patterns of the TATB crystal at 5 K (a) and 280 K (b)

    图  13  TATB晶体的高温拉曼光谱

    Figure  13.  Raman spectra of TATB crystals at high temperatures

    图  14  高温下TATB晶体的XRD谱

    Figure  14.  XRD patterns of TATB crystals at high temperatures

    图  15  25 ℃ (a)和 200 ℃ (b)下TATB晶体的XRD精修结果

    Figure  15.  Refined XRD patterns of the TATB crystal at 25 ℃ (a) and 200 ℃ (b)

    图  16  初始压力分别为0.1 MPa (a)、0.6 GPa (b)、1.6 GPa (c)和2.4 GPa (d)时高温高压下TATB晶体的拉曼光谱

    Figure  16.  Raman spectra of TATB crystals under high temperatures and high pressures at initial pressures of 0.1 MPa (a), 0.6 GPa (b), 1.6 GPa (c) and 2.4 GPa (d), respectively

    图  17  高压下TATB晶体的分解边界

    Figure  17.  Decomposition boundary of TATB crystals under high pressures

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出版历程
  • 收稿日期:  2022-02-23
  • 修回日期:  2022-03-18
  • 录用日期:  2022-04-12
  • 刊出日期:  2022-05-30

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