Fabrication and microwave characteristics of Fe3O4/C composites

被引：5
|
作者：
Wang, Wen [1 ]
Wang, Chengguo [1 ]
Guo, Yu [1 ]
机构：
[1] Shandong Univ, Res Ctr Carbon Fiber, Key Lab Liquid Solid Struct Evolut & Proc Mat, Minist Educ, Jinan 250061, Shandong, Peoples R China
来源：
FRONTIERS OF ADVANCED MATERIALS AND ENGINEERING TECHNOLOGY, PTS 1-3 | 2012年 / 430-432卷
关键词：
Fe3O4/C composites; heat treatment temperatures; permittivity; permeability; microwave absorption; CARBON-FIBER COMPOSITES; ABSORBING PROPERTIES; NANOTUBES; ABSORPTION; FERRITE; BAND;
D O I：
10.4028/www.scientific.net/AMR.430-432.146
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Fe3O4/C composites were prepared by using Fe and polyacrylonitrile (PAN) as precursors, and then heat-treated at temperatures of 600,700 and 800 degrees C, respectively. The phase composition of the composites at different temperatures was analyzed by X-ray diffraction, and Fe reacted with O from PAN to form Fe3O4, which contributed to the improvement of magnetic loss of the carbon matrix. Electromagnetic and microwave absorption properties of the composites were investigated. The results show that the values of real and imaginary part of permittivity were all increased as the temperature increasing, and also the microwave absorption capability was improved.
引用
收藏
页码：146 / 149
页数：4
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