典型含能材料奥克托今的结构与特性-宝阳悦读网

　　　　

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典型含能材料奥克托今的结构与特性

作者：崔红玲

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内容简介:

奥克托今是典型的含能材料，也是综合性能最优的含能材料之一。本书在密度泛函理论、分子动力学及耗散粒子动力学方法的基础上，对?-HMX、?-HMX、?-HMX、?-HMX这4种晶体及以?-HMX为主炸药，以F2311、F2312、F2313、F2314、F2463、F2603、PVDF、PCTFE、PTFE、PPFP为粘结剂的PBXs进行较为系统的研究。发现在高温下，三种晶体之间存在两次相变，即在360K温度附近的β-HMX到α-HMX相变，在440K附近时的α-HMX到δ-HMX相变。在高压下，β-HMX到δ-HMX的相变发生在27GPa时，通过增加一定量的氟聚物，可以使?-HMX的力学性能有显著的提高，而且在不同的晶面上，氟聚物的影响顺序为：(100) ? (001) ? (010)。温度和摩尔比对氟聚物在?-HMX基PBXs中的分散有一定影响，氟聚物对?-HMX的包覆性和温度及摩尔比存在一最佳值，为更好地了解HMX的性能提供了理论依据。

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