Electromagnetic properties of magnetic fly-ash hollow cenosphere - 文章详情页

作者：

Jia, Zhi-Yong (Jia, Zhi-Yong.) | Wang, Qun (Wang, Qun.) (学者：王群) | Zhou, Mei-Ling (Zhou, Mei-Ling.)

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摘要：

The　electromagnetic　properties　of　magnetic　fly-ash　hollow　cenosphere　in　the　frequency　ranges　2-18　GHz　were　studied　in　this　paper.　A　number　of　experiments　show　that　the　complex　permittivity　and　permeability　of　magnetic　fly　ash　hollow　cenosphere　with　three　size　and　three　magnetism　is　a　kind　of　microwave　absorbent,　Due　to　the　conductive　behavior　of　Fe2O3,　Fe3O4　and　SiO2,　high　dielectric　can　be　obtained　in　microwave　frequencies.　Findings　show　that　the　reflection　loss　band　width　of　60%　vol.　magnetic　fly-ash　hollow　cenosphere　composite　is　6.6　GHz　above　5　dB.

关键词：

Permittivity Magnetic permeability Microwaves Composite materials Magnetism Reflection Dielectric materials Fly ash

作者机构：

[ 1 ] [Jia, Zhi-Yong]Institute of Materials Science and Engineering, Beijing University of Technology, Beijing 100022, China
[ 2 ] [Jia, Zhi-Yong]China Airforce Engineering Design and Research Agency, Beijing 100068, China
[ 3 ] [Wang, Qun]Institute of Materials Science and Engineering, Beijing University of Technology, Beijing 100022, China
[ 4 ] [Zhou, Mei-Ling]Institute of Materials Science and Engineering, Beijing University of Technology, Beijing 100022, China

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