摘要
为了解2，6-二氨基-3，5-二硝基吡啶-1-氧化物（ANPyO）对RDX的降感效果，采用结晶包覆方法与混合法制备了ANPyO／RDX的复合物。用扫描电镜（SEM）、激光粒径分析、热重分析法（TG）、差示扫描热分析（DSC）、机械感度和爆速测试方法表征了两种样品的结构和性能。结果表明，用结晶包覆法制备的样品中ANPyO对RDX的包覆效果比混合法好；样品的平均粒径均在RDX与ANPyO之间，其中结晶包覆法制备样品的粒径分布更均匀；两种方法制备样品的分解峰值温度均低于RDX，其中结晶包覆法制备样品的热分解峰值温度比混合法样品高6～15℃；两种方法制备样品的机械感度均比RDX低，其中结晶包覆法制备样品的机械感度下降更显著。
In order to know the desensitizing efficiency of 2,6-diamino-3,5-dinitropyridine-1-oxide （ANPyO） on hexogen（RDX）, ANPyO/RDX composites were prepared by crystal coating and mixing method respectively. The structures and properties of the two samples were characterized by SEM, laser particle size analysis, TG, DSC, mechanical sensitivity and detonation velocity tests. Results show that ANPyO has a better coating on RDX crystal coating than mixing method; the average particle sizes of the samples are situated between ANPyO and RDX, and the particle size distribution of sample in crystal coating is more uniform; the decomposition peak temperatures of the samples are lower than that of RDX, the thermal decomposition peak temperatures are higher 6-15℃ crystal coating than mixing method;in comparison with RDX and the sample obtained by mixing method the mechanical sensitivity of the samples are lower than that of RDX, and the mechanical sensitivity of the sample in crystal coating decreased more significant.
出处
《火炸药学报》
EI
CAS
CSCD
北大核心
2010年第1期11-14,18,共5页
Chinese Journal of Explosives & Propellants
