改性B炸药装药的老化行为  

Aging Behavior of Modified Composition B Explosive Charge

作　　者：任晓宁[1] 常海[1] 邵颖惠[1] 王克勇[1] 王红星[1] 

机构地区：[1]西安近代化学研究所,陕西西安710065

出　　处：《火炸药学报》2013年第4期37-41,共5页Chinese Journal of Explosives & Propellants

摘　　要：采用加速老化试验方法,研究了改性B炸药药柱在高温加速老化条件下的老化行为。结果表明,改性B炸药的质量损失量、密度降低量和不可逆体积增大量都随老化时间的增加明显提高,TNT的升华、结晶趋向和向外层的迁移(晶析)引起装药不同部位成分和微观结构发生变化,致使密度降低和不可逆长大,发生装药轴心宏观性的开裂。The aging behavior of modified composition B charge under the high temperature accelerated aging condition was studied by an accelerated aging test method.The results show that the values of mass-loss and density decrease and the irreversible volume increase of charge are increased clearly as the aging time increasing.In aging process,the sublimation and crystal trend and frost for TNT make the different positions composition and the microcosm configuration of the charge change,the density decrease and irreversible volume grow and the charge axis split macroscopically from upper to bottom.

关 键 词：物理化学 改性B炸药 加速老化 不可逆长大 晶析 性能变化 

分 类 号：TJ55[兵器科学与技术—军事化学与烟火技术] X93[环境科学与工程—安全科学]