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 proceedingConference 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 languageEnglish
Title of host publicationElectroceramics in Japan XV
PublisherTrans Tech Publications Ltd
Pages215-218
Number of pages4
ISBN (Print)9783037857618
DOIs
Publication statusPublished - Jan 1 2013
Event31st Electronics Division Meeting of the Ceramic Society of Japan - Tokyo, Japan
Duration: Oct 28 2011Oct 29 2011

Publication series

NameKey Engineering Materials
Volume566
ISSN (Print)1013-9826
ISSN (Electronic)1662-9795

Other

Other31st Electronics Division Meeting of the Ceramic Society of Japan
CountryJapan
CityTokyo
Period10/28/1110/29/11

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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