E3S Web Conf.
Volume 186, 20202020 The 3rd International Conference on Electrical Engineering and Green Energy (CEEGE 2020)
|Number of page(s)||3|
|Section||Electronics and Electrical Engineering|
|Published online||24 August 2020|
Preparation and Characterization of High Magnetic Loss Microwave Absorber for Splitter Load
Aerospace Institute of Advanced Materials & Processing Technology, 100081, Beijing, CHINA
* Corresponding author: email@example.com
Microwave absorbing material was prepared using epoxy resin as matrix and spherical carbonyl iron powder (s-CIP), flaky carbonyl iron powder (f-CIP) as absorbing agent. Microwave absorbing, mechanical properties and structure of the composites containing different kinds of carbonyl iron powder (CIP) were investigated. The results show that the microwave absorber with flaky CIP have better electromagnetic properties than composites with spherical CIP. With concentration of spherical CIP increasing the electromagnetic properties of composites becomes better, except for the mechanical performance. The flaky CIP/epoxy resins composites with a loading of 79 wt% plate-like CIP has attenuation constant of 25.443 dB/cm in 3 GHz. The absorber prepared using flaky CIP has homogenous, dense structure and has excellent mechanical properties.
© The Authors, published by EDP Sciences, 2020
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