Journal of the Korean Society of Safety (한국안전학회지)

The Korean Society of Safety (한국안전학회)
권호 표지

EMI Shielding Efficiency of Recycled plastic/Hybrid Conductive filer Composites filled Electro Arc furnace Slag

제강Slag 충진 폐플라스틱/복합 전도성 filler복합재료의 전자파 차폐 효과

  • 강영구 (호서대학교 안전시스템공학과) ;
  • 송종혁 (호서대학교 벤처전문대학원)
  • Published : 2004.12.01
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Abstract

Electromagnetic interference(EMI) shielding characteristics of composite filled with Cu flake and carbon brush powder as hybrid conductive filler and EAF slag have been studied. The coaxial transmission line method of ASTM D4935-99 was used to measure the EMI Shielding effectiveness of composites as formulation in frequency rage $100\~1,000MHz$ The SE also increases with the increase in flier loading. The hybrid filler filled composites show higher SE compared to that of only Cu flake. The correlation between SE and conductivity of the various composites is also discussed. The results indicate that the composites having higher filler loading$({\geq}40wt.\%)$ can be used for the purpose of safety materials to protect hazardous electromagnetic interference.

Keywords

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