Study on microwave attenuation mechanism model of Fe3O4/MWCNTs nanocomposites

被引：6
|
作者：
Song, Xinhua [1 ]
Li, Xiaojie [1 ]
Yan, Honghao [1 ]
机构：
[1] Dalian Univ Technol, State Key Lab Struct Anal Ind Equipment, Dalian 116024, Liaoning, Peoples R China
来源：
MATERIALS RESEARCH EXPRESS | 2019年 / 6卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Fe3O4/MWCNTs; microwave attenuation model; reflectivity; ball milling; ABSORBING PROPERTIES; ABSORPTION PROPERTIES; CARBON NANOTUBES;
D O I：
10.1088/2053-1591/ab5d6d
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The multi-walled carbon nanotubes (MWCNTs) /ferriferous oxide (Fe3O4) nano-composites have important research value in electromagnetic wave absorbing. Firstly, MWCNTs and nano-Fe3O4 particles were ball-milled by a ball mill to obtain Fe3O4/MWCNTs nanocomposites. The Fe3O4/MWCNTs nanocomposites were characterized by XRD, TEM and network vector analyzer. Finally, a model of microwave attenuation mechanism for Fe3O4/MWCNTs nanocomposites was established. The reflectivity of Fe3O4/MWCNTs nanocomposites was calculated and compared with the transmission model of electromagnetic wave incident vertically into Fe3O4/MWCNTs powder in free space random dispersion space. The results of the two models are almost identical, which provide a reference for predicting the microwave absorbing properties of Fe3O4/MWCNTs nanocomposites.
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页数：8
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