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探索了一条高固含量推进剂较安全的成型工艺路线,重点介绍了一种高固含量球形药工艺。采用内溶法制得纯硝化棉黏合剂体系及硝化棉与ETPE(含能热塑性弹性体)混合黏合剂体系的高固含量(RDX(黑索今)质量分数为55%～60%)球形药,其球形药密度接近理论计算值,颗粒饱满,粒度均匀致密。采用模压成型工艺将其压制成推进剂药柱,药柱经无损检测,均匀致密,内部无气孔。同时药柱进行了各项性能实验。研究结果表明:该工艺方法简单可行,安全可靠。
Explored a safer molding process route for a high solids propellant, highlighting a high solids spherical drug process. The high solid content (RDX (mass fraction) 55% ~ 60%) of the pure nitrocellulose binder system and the mixed binder system of nitrocellulose and ETPE (energy-containing thermoplastic elastomer) Its spherical drug density close to the theoretical value, particle size, uniform and dense particle size. Molding process is used to suppress it into a propellant drug column, the drug column by nondestructive testing, uniform and dense, no pores inside. At the same time, the drug column conducted various performance experiments. The results show that the process is simple, safe and reliable.