含氟有机添加剂对含铝聚醚推进剂燃烧凝聚相产物的影响

doi:10.3969/j.issn.1000-1093.2017.04.011

兵工学报 ›› 2017, Vol. 38 ›› Issue (4): 704-710.doi: 10.3969/j.issn.1000-1093.2017.04.011

含氟有机添加剂对含铝聚醚推进剂燃烧凝聚相产物的影响

王维伦¹，李建民¹，杨荣杰¹，刘筑²，李世鹏²

（1.北京理工大学材料学院, 北京 100081; 2.北京理工大学宇航学院, 北京 100081）

收稿日期:2016-08-10 修回日期:2016-08-10 上线日期:2017-06-06
通讯作者: 杨荣杰（1963—），男，教授，博士生导师 E-mail:yrj@bit.edu.cn
作者简介:王维伦（1992—），男，硕士研究生。E-mail: 1120102161@bit.edu.cn

Influence of Organic Fluorine-contained Additives on Condensed Combustion Products of Aluminized Polyether Propellants

WANG Wei-lun¹, LI Jian-min¹, YANG Rong-jie¹, LIU Zhu², LI Shi-peng²

(1.School of Material Science and Engineering, Beijing Institute of Technology, Beijing 100081, China; 2.School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China)

Received:2016-08-10 Revised:2016-08-10 Online:2017-06-06

摘要/Abstract

摘要： 为了抑制高含铝推进剂燃烧凝聚相产物的团聚，将含氟有机添加剂加入到含铝聚醚推进剂中，用高速摄像装置研究了推进剂药条的燃烧情况。利用扫描电子显微镜/能谱仪、激光粒度分析仪、X-射线衍射仪、实时粒度测试仪研究了含氟有机添加剂对推进剂燃烧凝聚相产物形貌、粒径、成分和燃烧实时粒度的影响。结果表明：含氟有机添加剂的加入，有助于减少燃烧铝颗粒的尺寸，能明显减少大尺寸凝聚相粒子的生成，在7 MPa时，加入2%的含氟有机添加剂，燃烧凝聚相产物的平均粒径D₅₀从5.83 μm减小到3.06 μm；X-射线衍射仪测试结果显示，含氟有机添加剂的加入导致燃烧凝聚相产物中α-Al₂O₃晶型和θ-Al₂O₃晶型几近消失，主要形成γ-Al₂O₃和δ-Al₂O₃晶型。

关键词: 兵器科学与技术, 含氟有机添加剂, 铝粉, 固体推进剂, 燃烧凝聚相产物

Abstract: To explore the influence of organic fluorine-contained additives on aluminum agglomeration during combustion of the aluminized polyether propellants, a high-speed video camera is used to monitor the combustion process of propellants, and the scanning electron microscope (SEM) and energy dispersive spectrometer (EDS), laser particle size analyzer, X-ray diffractometer and real-time particle size analyzer are used to analyze the morphology, size, composition and real-time particle size of condensed combustion products of propellants. The results show that the organic fluorine-contained additives contribute to reduce the size of burning aluminum particles. The coarse agglomerate size is reduced obviously after adding 2% organic fluorine-contained additives. The average diameter of condensed combustion products is decreased from 5.83 μm to 3.06 μm at 7 MPa. XRD results show that α-Al₂O₃and θ-Al₂O₃ are nearly disappeared in condensed combustion products due to addition of organic fluorine-contained additives, in which δ-Al₂O₃ and γ-Al₂O₃ are generated. Key

Key words: ordnancescienceandtechnology, organicfluorine-containedadditive, aluminumpowder, solidpropellant, condensedcombustionproduct

中图分类号:

TQ564.2

王维伦，李建民，杨荣杰，刘筑，李世鹏. 含氟有机添加剂对含铝聚醚推进剂燃烧凝聚相产物的影响[J]. 兵工学报, 2017, 38(4): 704-710.

WANG Wei-lun, LI Jian-min, YANG Rong-jie, LIU Zhu, LI Shi-peng. Influence of Organic Fluorine-contained Additives on Condensed Combustion Products of Aluminized Polyether Propellants[J]. Acta Armamentarii, 2017, 38(4): 704-710.

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含氟有机添加剂对含铝聚醚推进剂燃烧凝聚相产物的影响

Influence of Organic Fluorine-contained Additives on Condensed Combustion Products of Aluminized Polyether Propellants

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