微纳米CL-20/HMX共晶含能材料的制备与性能

Preparation and Performance of Micro/nano CL-20/HMX Energetic Cocrystal Materials

通过机械球磨法制备出微纳米CL-20/HMX共晶含能材料,对其进行SEM、粒度、XRD、DSC和Raman表征,以及撞击感度、摩擦感度和钢凹值测试分析。结果表明:球磨时间120min制得的CL-20/HMX共晶颗粒呈近球状,粒径分布在80~250nm。微纳米CL-20/HMX共晶含能材料展现出不同于各自单一组分的晶体结构和热分解特性,其机械感度较原料HMX大幅度降低,能量输出性能与原料CL-20相当。

Micro/nano CL-20/HMX energetic cocrystal materials were prepared by mechanical ball milling,and characterized using SEM,XRD,DSC,and Raman.Furthermore,impact sensitivity,friction sensitivity,and steel dent of the cocrystals were tested and analyzed.The results show that after milling time of 120 min,CL-20/HMX cocrytals prepared under optimal conditions are spherical in shape and the particle size is 80~250nm.Compared with respective energetic monomers,micro/nano CL-20/HMX energetic cocrystal materials exhibit unique crystal structure and thermal decomposition properties.The mechanical sensitivity of the micro/nano CL-20/HMX energetic cocrystal materials is reduced obviously compared to that of raw HMX,while the energy output property is equivalent to that of raw CL-20.