MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Microwave Absorption Properties of Highly Filled Polymer Composites with Amorphous Fe–B Particles
Kiyotaka FurutaKazuaki ShimbaNobuki TezukaSatoshi Sugimoto
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2012 Volume 53 Issue 9 Pages 1665-1668

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Abstract

In this study, polymer composites containing amorphous Fe–B particles with large particle size distribution were fabricated. A polymer composite of mixed particles showed a high relative permeability of μ ’r = 9.3 at 1 GHz. In addition, the composite exhibited good microwave absorption properties (R.L. < −20 dB) in the frequency range of 0.6–1.1 GHz for absorber thickness of 2.4–4.2 mm. Thus, this polymer composite can be used for fabricating microwave absorbers that are effect in the 0.7–1.0 GHz band, and would result in microwave absorbers thinner than any other microwave absorbers reported to date.

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© 2012 The Japan Institute of Metals and Materials
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