3D打印成型技术制备CL-20基光固化发射药及其性能研究

高宇晨，李曼曼，胡 睿，杨伟涛，张玉成，田德庆

火炸药学报 ›› 2022, Vol. 45 ›› Issue (2) : 271-276.

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  • 主管：中国科学技术协会

    主编：魏 卫

    ISSN 1007-7812

    　

  • 主办：中国兵工学会与中国兵器工业第204研究所共同

    出版：《火炸药学报》 编辑部

    CN 61-1310/TJ

《火炸药学报》1978年创刊，国内外公开发行。是由中国科协主管、中国兵工学会与中国兵器工业第二〇四研究所共同主办的学术刊物, 是我国创刊最早的火炸药技术专业期刊。
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火炸药学报 ›› 2022, Vol. 45 ›› Issue (2) : 271-276. DOI: 10.14077/j.issn.1007-7812.202112010

3D打印成型技术制备CL-20基光固化发射药及其性能研究

  • 高宇晨1,李曼曼1,胡 睿1,杨伟涛1,张玉成1,田德庆2
作者信息 +

3D Printing Technology and Properties of CL-20-based Photocurable Gun Propellants

  • GAO Yu-chen1, LI Man-man1, HU Rui1, YANG Wei-tao1, ZHANG Yu-cheng1, TIAN De-qing2
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摘要

为实现复杂结构发射药的制备,利用挤出3D打印成型技术制备了以光敏树脂为黏结剂、六硝基六氮杂异戊兹烷(CL-20)为含能固体添加剂的光固化发射药,并对其力学性能及燃烧性能进行了研究。结果表明,用挤出3D打印机可实现固含量为70%的含能物料挤出打印,通过打印条件优化,可以实现样件较好的层间粘接; 挤出成型发射药的拉伸强度和压缩强度分别为10.21MPa和50.94MPa; 相对于硝化棉三基发射药,其拉伸强度和压缩强度更高,但最大形变量下降; 以CL-20为固体填料的光固化发射药表现出高燃速特点,100MPa时燃速达到17.88cm/s,但其压力指数较高,达到1.47。表明材料挤出3D打印技术在光固化发射药成型中应用是可行的。

Abstract

In order to fabricating gun propellants with complex structure, the photocurable gun propellants consisting of ultraviolet curable resin as binder and CL-20 as energetic solid additive are prepared by the material extrusion 3D printing technology. The mechanical properties and combustion performances of printed gun propellants are studied. The results show that the gun propellants with 70% solid content presents good adhesion between the extrusion layers after optimization of the printing conditions. The tensile strength and compressive strength of the printed gun propellant are 10.21MPa and 50.94MPa, respectively. Compared with triple-based gun propellants, the mechanical strength of printed gun propellant is higher, while the maximum deformation rate is smaller. The burn rate of the printed gun propellant was 17.88cm/s at 100MPa and the pressure exponent is 1.47, showing that the application of the material extrusion 3D printing technology for photocurable gun propellants is feasible.

关键词

应用化学 / 光固化发射药 / 3D打印技术 / 力学性能 / 燃烧性能

Key words

applied chemistry / photocurable propellants / 3D printing technology / mechanical property / combustion performance

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高宇晨，李曼曼，胡 睿，杨伟涛，张玉成，田德庆. 3D打印成型技术制备CL-20基光固化发射药及其性能研究. 火炸药学报. 2022, 45(2): 271-276 https://doi.org/10.14077/j.issn.1007-7812.202112010
GAO Yu-chen, LI Man-man, HU Rui, YANG Wei-tao, ZHANG Yu-cheng, TIAN De-qing. 3D Printing Technology and Properties of CL-20-based Photocurable Gun Propellants. Chinese Journal of Explosives & Propellants. 2022, 45(2): 271-276 https://doi.org/10.14077/j.issn.1007-7812.202112010
中图分类号： TJ55    O69   

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