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

Absorption characteristics of composite electromagnetic wave absorber made of sendust particles dispersed in polystyrene resin

Yuki Hongo, Kenji Sakai, Yuuki Sato, Shinzo Yoshikado

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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 20-40 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.

Original language	English
Title of host publication	Electroceramics in Japan XV
Publisher	Trans Tech Publications Ltd
Pages	215-218
Number of pages	4
ISBN (Print)	9783037857618
DOIs	https://doi.org/10.4028/www.scientific.net/KEM.566.215
Publication status	Published - 2013
Event	31st Electronics Division Meeting of the Ceramic Society of Japan - Tokyo, Japan Duration: Oct 28 2011 → Oct 29 2011

Publication series

Name	Key Engineering Materials
Volume	566
ISSN (Print)	1013-9826
ISSN (Electronic)	1662-9795

Other

Other	31st Electronics Division Meeting of the Ceramic Society of Japan
Country	Japan
City	Tokyo
Period	10/28/11 → 10/29/11

Keywords

Composite
Eddy current
Electromagnetic wave absorber
Natural magnetic resonance
Polystyrene
Relative complex permeability
Sendust

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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Absorption characteristics of composite electromagnetic wave absorber made of sendust particles dispersed in polystyrene resin. / Hongo, Yuki; Sakai, Kenji; Sato, Yuuki; Yoshikado, Shinzo.

Electroceramics in Japan XV. Trans Tech Publications Ltd, 2013. p. 215-218 (Key Engineering Materials; Vol. 566).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Hongo, Y, Sakai, K, Sato, Y & Yoshikado, S 2013, Absorption characteristics of composite electromagnetic wave absorber made of sendust particles dispersed in polystyrene resin. in Electroceramics in Japan XV. Key Engineering Materials, vol. 566, Trans Tech Publications Ltd, pp. 215-218, 31st Electronics Division Meeting of the Ceramic Society of Japan, Tokyo, Japan, 10/28/11. https://doi.org/10.4028/www.scientific.net/KEM.566.215

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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 20-40 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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