高能硝胺发射药烧蚀特性分析
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TJ55 TQ562

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Analysis of the Erosion Characteristics of High Energy Nitramine Propellant
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    摘要:

    为研究高能硝胺发射药的烧蚀特性,采用半密闭烧蚀反应装置进行试验,对发射药燃气作用后的烧蚀管表面结构变化情况进行了分析。结果表明,烧蚀管表面材料在高温高压发射药燃气作用下有明显网形环状裂纹,裂纹宽度约为245 nm;光电子能谱检测发现烧蚀反应后,烧蚀管内壁有+2、+3价铁生成,表面还有氮渗透;但是X-射线粉末衍射(X-ray diffraction,XRD)测试没有发现明显的氧化亚铁、三氧化二铁或者四氧化三铁峰,可能是因为混合物中这些高价铁化合物的相对含量太低,不在XR D仪器的检测灵敏度范围之内。本论文研究结果可为高能硝胺发射药的配方设计及优化提供参考。

    Abstract:

    In order to study the ablation characteristics of high energy nitramine propellant, a semi-closed ablation reactor was used and the changes of the surface structure of the erosion tube after reaction with the propellant gas was analyzed. The results show that, there are obvious network cracks with an average crack width of 97 nm under the action of high temperature and high pressure propellant gas. Photoelectron spectroscopy results show that, ferrous iron and ferric iron are formed on the inner wall of the erosion tube after the ablation reaction. Moreover, there is nitrogen permeation on the surface. However, no obvious peaks of FeO, Fe2O3 or Fe3O4 are found by X-ray powder diffraction test. Possibly, because the relative content of these high valent iron compounds in the mixture is too low, which is not within the detection sensitivity range of the XRD instrument. The obtained results can provide a reference for the formulation design and optimization of high energy nitramine propellant.

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韦丁,靳建伟,严文荣,等. 高能硝胺发射药烧蚀特性分析[J]. 科学技术与工程, 2020, 20(21): 8563-8567.
WEI Ding, JIN Jian-wei, YAN Wen-rong, et al. Analysis of the Erosion Characteristics of High Energy Nitramine Propellant[J]. Science Technology and Engineering,2020,20(21):8563-8567.

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  • 收稿日期:2020-01-04
  • 最后修改日期:2020-05-30
  • 录用日期:2020-03-03
  • 在线发布日期: 2020-08-18
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