Absorption Characteristics of Composite Electromagnetic Wave Absorber Made of Sendust Particles Dispersed in Polystyrene Resin

Yuki Hongo; Kenji Sakai; Yuuki Sato; Shinzo Yoshikado

doi:10.4028/www.scientific.net/KEM.566.215

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Evaluation of TiO₂ Films Fabricated by Aerosol Deposition
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Synthesis, Crystal Structure and Physical Properties of Ba₄Ti₁₂O₂₇
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Absorption Characteristics of Composite Electromagnetic Wave Absorber Made of Sendust Particles Dispersed in Polystyrene Resin
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Effect of Sb Addition on the Electrical Characteristics of Bi-Based ZnO Varistors Containing Zr and Y
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 566Absorption Characteristics of Composite...

Absorption Characteristics of Composite Electromagnetic Wave Absorber Made of Sendust Particles Dispersed in Polystyrene Resin

Abstract:

A low-cost composite electromagnetic wave absorber made of sendust dispersed in resin was developed that does not contain any rare metals. In this study, spherical sendust particles with average particle sizes of approximately 5 and 20 μm were dispersed in polystyrene resin at volume ratios in the range 2040 vol% to broaden the absorption frequency bandwidth at frequencies above 10 GHz. The optimal volume ratios of sendust with average particle sizes of approximately 5 and 20 μm were found to be approximately 30 and 35 vol%, respectively. Electromagnetic wave absorbers can be flexibly designed by controlling the volume ratio of spherical sendust particles in resin.

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Periodical:

Key Engineering Materials (Volume 566)

Pages:

215-218

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.566.215

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Online since:

July 2013

Authors:

Yuki Hongo, Kenji Sakai, Yuuki Sato, Shinzo Yoshikado

Keywords:

Composite, Eddy Current, Electromagnetic Wave Absorber, Natural Magnetic Resonance, Polystyrene, Relative Complex Permeability, Sendust

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