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隐身填料颗粒尺寸对雷达波吸收及红外辐射性能的影响 被引量:3

Effects of Filler Particles on Microwave Absorbing Ability and Infrared Emissivity of Hidden Materials Size
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摘要 根据电磁波趋肤效应理论,从材料的雷达波吸收与红外隐身性能分析,综合考虑铝粉、铁粉和铜粉粒子作为隐身填料的最佳平均粒径范围。以羰基铁粉为例,对吸收剂粒径影响规律进行的试验表明,随羰基铁粉粒径增大,涂层介电常数的ε'、ε"几乎成线性关系增大,而涂层磁导率的μ'、μ"却逐渐减小。涂层雷达波吸收率总是随着羰基铁粉粒径的增大而逐渐降低。研究表明,羰基铁粉的最佳粒径应控制在微米量级以内。 From the view point of skin depth, the best sizes of metal particle fillers for emitting infrared or absorbing microwave are investigated by studying Al-powder, Fe-powder or Cu-powder particles. The effects of the size of carbonyl Fe particles on the microwave absorbing ability of the stealth materials were systematically investigated by means of electromagnetic parameter tests and theoretically calculations. It was found that the permittivity of the coating increases almost in linear relation, the permeability of the coating decreases gradually, and the microwave absorbing ability of the coating decreases gradually as the size of carbonyl Fe particle increases. The results show that the best sizes of filler particles of carbonyl Fe particle is within the range or micron.
作者 王新安 唐伟
出处 《兵工自动化》 2007年第2期78-80,85,共4页 Ordnance Industry Automation
关键词 雷达 雷达波 红外隐身 隐身填料 最佳粒径 Radar Radar microwave Infrared stealth Hidden compatibility filler Best sizes of filler particles
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参考文献1

  • 1郑钧.电磁波与波[M].上海:上海交通大学出版社,1984.202-206.

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