六亚甲基四胺含量对铵胺炸药性能的影响

胡洁 黄文尧 孙彦臣 牛草原 梁昊 史然

胡洁, 黄文尧, 孙彦臣, 牛草原, 梁昊, 史然. 六亚甲基四胺含量对铵胺炸药性能的影响[J]. 高压物理学报, 2023, 37(5): 055201. doi: 10.11858/gywlxb.20230691
引用本文: 胡洁, 黄文尧, 孙彦臣, 牛草原, 梁昊, 史然. 六亚甲基四胺含量对铵胺炸药性能的影响[J]. 高压物理学报, 2023, 37(5): 055201. doi: 10.11858/gywlxb.20230691
HU Jie, HUANG Wenyao, SUN Yanchen, NIU Caoyuan, LIANG Hao, SHI Ran. Effect of Hexamethylenetetramine Content on the Performance of Ammonium-Amine Explosives[J]. Chinese Journal of High Pressure Physics, 2023, 37(5): 055201. doi: 10.11858/gywlxb.20230691
Citation: HU Jie, HUANG Wenyao, SUN Yanchen, NIU Caoyuan, LIANG Hao, SHI Ran. Effect of Hexamethylenetetramine Content on the Performance of Ammonium-Amine Explosives[J]. Chinese Journal of High Pressure Physics, 2023, 37(5): 055201. doi: 10.11858/gywlxb.20230691

六亚甲基四胺含量对铵胺炸药性能的影响

doi: 10.11858/gywlxb.20230691
详细信息
    作者简介:

    胡 洁(1999-),男,硕士研究生,主要从事工业炸药的热安全性研究. E-mail:319966704@qq.com

    通讯作者:

    黄文尧(1964-),男,教授,主要从事工业炸药研发与井下爆破技术研究.E-mail:2426712933@qq.com

  • 中图分类号: O389; TJ55

Effect of Hexamethylenetetramine Content on the Performance of Ammonium-Amine Explosives

  • 摘要: 为探究六亚甲基四胺含量对铵胺炸药性能的影响,采用质量分数为5.5%、6.5%、7.5%、8.5%、9.5%的六亚甲基四胺制备5组铵胺炸药。通过黏度分析仪、计时仪、爆速测试仪和热分析技术,对铵胺炸药的交联时间、爆速以及热分解过程进行研究。实验结果表明,当六亚甲基四胺的质量分数从5.5%增加至9.5%时:铵胺炸药的交联速度逐渐放缓,交联时间由7 h延长至13 h;爆速由3552 m/s上升至4070 m/s,而后下降至3663 m/s;六亚甲基四胺含量对铵胺炸药的热分解过程没有明显影响,铵胺炸药的表观活化能由93.71 kJ/mol上升至124.71 kJ/mol,热安定性得到提升。

     

  • 图  铵胺炸药的设计原理

    Figure  1.  Design principle of ammonium-amine explosives

    图  铵胺炸药的制备流程

    Figure  2.  Preparation flow chart of ammonium-amine explosives

    图  铵胺炸药的黏度随交联时间的变化

    Figure  3.  Variation of viscosity with cross-linking time for ammonium-amine explosives

    图  5组铵胺炸药的实际爆速

    Figure  4.  Actual detonation velocities for 5 groups of ammonium-amine explosives

    图  5组炸药的TG曲线

    Figure  5.  TG curves for 5 groups of explosives

    图  5组炸药的DTG曲线

    Figure  6.  DTG curves for 5 groups of explosives

    图  Kissinger法得到的ln(β/T2)-(103/T)拟合曲线

    Figure  7.  Fitting curves of ln(β/T2)-(103/T) obtained by Kissinger method

    表  1  铵胺炸药基质配方

    Table  1.   Matrix formulations of ammonium-amine explosives

    Sample No.Mass fraction/%
    Ammonium nitrateSodium nitrateAcetic acidWaterHexamethylenetetramineGuar gum
    177.03.03.010.55.51.0
    276.03.03.010.56.51.0
    375.03.03.010.57.51.0
    474.03.03.010.58.51.0
    573.03.03.010.59.51.0
    下载: 导出CSV

    表  2  5组炸药的理论爆轰参数

    Table  2.   Theoretical detonation parameters for 5 groups of explosives

    Sample No. w/% Oxygen balance/(g·g−1) D0/(m·s−1)
    1 5.5 0.04493 4572
    2 6.5 0.02243 4564
    3 7.5 −0.00012 4559
    4 8.5 −0.02267 4419
    5 9.5 −0.04521 4264
    下载: 导出CSV

    表  3  15 ℃/min升温速率下5组样品的$T_{\rm{onset}} $$T_{\rm{p}}$和质量损失率

    Table  3.   $T_{\rm{onset}} $, $T_{\rm{p}} $ and the mass loss rate at the heating rate of 15 ℃/min for 5 groups of samples

    Sample No.Tonset/℃Tp/℃α1/%α2/%
    1230.61269.4513.4381.02
    2231.77270.0413.5881.27
    3232.59271.9913.7180.32
    4232.48272.4213.6280.72
    5236.08274.9613.5480.51
    下载: 导出CSV

    表  4  Kissinger方法所得的表观活化能

    Table  4.   Apparent activation energy obtained by Kissinger method

    α/% Apparent activation energy/(kJ·mol−1) R2
    No.1 No.2 No.3 No.4 No.5 No.1 No.2 No.3 No.4 No.5
    2078.1581.48104.7698.94126.370.99220.99730.98360.99850.9922
    3081.4893.70108.91105.59115.560.98960.99790.98470.98710.9913
    4097.27105.26114.73122.22132.190.99440.98540.99270.98610.9985
    50108.08112.41117.23125.54128.870.99960.99420.99630.99190.9956
    6098.11112.41120.55126.37124.710.99170.99360.99450.99460.9975
    7096.44114.57119.72123.05122.220.98940.99180.99100.99040.9972
    8096.44115.15114.73122.22123.040.98810.98930.98810.99140.9974
    Mean93.71104.99114.37117.70124.71
    下载: 导出CSV
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出版历程
  • 收稿日期:  2023-07-03
  • 修回日期:  2023-07-17
  • 网络出版日期:  2023-09-20
  • 刊出日期:  2023-11-07

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