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硝酸铷类红外烟火药剂的燃烧性能
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作者单位:

北京理工大学机电学院,北京理工大学机电学院,中国航天建筑设计研究院,北京理工大学机电学院

作者简介:

苗艳玲(1975-),女,博士,主要从事烟火药剂、延期药剂的研究。e-mail:10802106@bit.edu.cn 

通讯作者:

乔小晶(1961-),女,北京理工大学教授、博士生导师,主要研究方向为无源光电对抗。e-mail:lan6603@sina.com

基金项目:

部委资助项目(51305120302)


Safety and Combustion Properties of RbNO3 Infrared Pyrotechnic Composition
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Affiliation:

School of Mechatronical Engineering , Beijing Institute of Technology,School of Mechatronical Engineering , Beijing Institute of Technology,China Space Civil&Building Engineering Design&Research Institute (Group),School of Mechatronical Engineering , Beijing Institute of Technology

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    摘要:

    研究了以硝酸铷为氧化剂,分别以金属镁粉、镁铝合金粉、钛粉、氢化钛粉、硼为可燃剂,以氟橡胶(FPM)为黏合剂组成的5组烟火药剂的燃烧性能, 用DSC分析了药剂的分解过程,测定了燃烧热和燃烧火焰温度,并与REAL程序计算的绝热火焰温度值进行了比较,测试了烟火药剂的近红外(0.7~1.1 μm)辐射强度和可见光(0.4~0.7 μm)光强。结果表明:含B与Ti的热分解过程较类似;Mg/RbNO3/FPM烟火药剂的燃烧热值最高为4939 kJ·kg-1,5组药剂燃烧热顺序为Mg>Al3Mg4>TiH2>Ti>B。Ti/RbNO3/FPM烟火药剂的燃烧火焰温度最高,高于2700 ℃,实测的燃烧火焰温度比REAL程序计算的理论绝热火焰温度低;TiH2的近红外(0.7~1.1 μm)辐射强度与可见光光强之比为1.654,隐身指数较高,有望成为良好的红外照明剂组分。

    Abstract:

    The combustion properties of RbNO3 infrared pyrotechnic composition comprising RbNO3 as oxidation agent, hexafluoropropenevinylidenfluoride-copolymer(FPM) as binding agent and Mg, Al3Mg4, Ti, TiH2 and B as combustion agent, respectively were studied. DSC was used to analyse the decomposition process of the pyrotechnic composition.The combustion heat and flame temperature were measured and then compared with the results calculated by REAL method. The ingrared radiation intensity of 0.7~1.1 μm and visible light intensity of 0.4~0.7 μm were measured. Results show that the decomposition process of B/RbNO3/FPM and TiH2/RbNO3/FPM pyrotechnic composition is the same. The value of combustion heat of Mg/RbNO3/FPM pyrotechnic composition is the highest which is 4939 kJ·kg-1, and then the order is Mg > Al3Mg4 > TiH2 > Ti > B. The flame temperature of Ti/ RbNO3/FPM is the highest which is over 2700 ℃ and the measured flame temperatures are lower than those of calculation by REAL method. The Ti/ RbNO3/FPM ratio of infrared radiation intensity of 0.7~1.1 μm and visible light intensity is 1.654 which is much higher so that TiH2/PTFE/FPM can be used as good infrared illuminating composition.

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引用本文

苗艳玲,乔小晶,张强,等.硝酸铷类红外烟火药剂的燃烧性能[J].含能材料, 2012, 20(6):739-743. DOI:10.3969/j. issn.1006-9941.2012.06.017.
MIAO Yan-ling, QIAO Xiao-jing, ZHANG Qiang, et al. Safety and Combustion Properties of RbNO3 Infrared Pyrotechnic Composition[J]. Chinese Journal of Energetic Materials, 2012, 20(6):739-743. DOI:10.3969/j. issn.1006-9941.2012.06.017.

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  • 收稿日期: 2011-09-21
  • 最后修改日期: 2012-02-16
  • 录用日期: 2012-03-22
  • 在线发布日期: 2012-12-25
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