3D打印技术制备固体推进剂研究进展

Research progress of solid propellants prepared by 3D printing technique

概述了现有固体推进剂成型工艺,指出了3D打印固体推进剂的特点,综述了含能材料3D打印的应用研究现状,重点介绍了适于固体推进剂3D打印成型的材料与工艺,针对固体推进剂3D打印成型存在的困难,提出了可能的解决方法,认为3D打印技术制备复杂结构固体推进剂药柱是一个发展方向。

The existing molding processes of the solid propellants are summarized. The characteristics of the 3D printing solid propellants are pointed out. The research status on the application of the energetic material 3D printing is reviewed. The materials and processes suitable for the 3D printing molding of the solid propellants are emphatically introduced. In view of the existing difficulties in the 3D printing molding of the solid propellants, the possible solutions are proposed. It is considered that the preparation of the solid propellant grain with complex structure by using the 3D printing technique is a new development direction.