摘要
为了研究TATB/HMX主体炸药与不同氟橡胶配方的相容性,运用DSC方法测试了不同升温速率下TATB/F2602、TATB/F2311、HMX/F2602、HMX/F2311的热分解放热曲线.利用最大放热峰温、计算所得的表观反应活化能的变化量进行了相容性评估.同时运用反应起始放热温度、反应热两种评价指标进行相容性判定,分析其判定机理.结果表明,综合考虑放热峰温、活化能两个指标,变化量0～0.67℃,0.6%～1.77%,同时满足1级,说明相容性好,为1级;起始放热温度变化不明显（2℃左右）,甚至略有降低,说明混合体系更容易发生分解反应;TATB/F2602、TATB/F2311体系放热量增幅分别为378.84J/g（β=10℃/min）,198.1J/g（β=15℃/min）,表明TATB/F2311体系有失控的倾向.HMX/F2602、HMX/F2311体系放热量增幅为13.19J/g（β=20℃/min）,HMX/F2311与HMX/F2602安全水平相当;DSC方法简便,综合运用各种评价指标,可以全面评价炸药的相容性。
This study aimed as the internal compatibility of systems comprising TATB,HMX and various fluororubber.At different heating rate,the DSC curves of systems such as TATB/F2602,TATB/F2311,HMX/F2602,HMX/F2311 were tested using DSC technology.The exothermic peak temperature along with the activation energy was used to evaluate the compatibility.As the other two parameters relating to the safety of explosives,the onset temperature and reaction enthalpy were discussed.The results show that,firstly,both of the increase of exothermic peak temperature（0～0.67℃）and activation energy（0.6%～1.77%）meet the safe level of compatibility.Secondly,inconspicuous change of onset temperature means the same difficulty of initiating a reaction.Thirdly,larger enthalpy implies the TATB/fluororubber with increase of 378.84J/g（β=10℃/min）,198.1J/g（β=15℃/min）is more dangerous than the HMX/fluororubber with 13.19J/g（β=20℃/min）.Finally,the DSC,as a simple technology,activation energy aided by other parameters,can evaluate the compatibility efficiently.
出处
《中北大学学报（自然科学版）》
CAS
北大核心
2015年第5期559-564,490,共6页
Journal of North University of China(Natural Science Edition)
关键词
TATB
内相容性
炸药
氟橡胶
TATB
internal compatibility
explosive
fluororubber
