Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Electrical Conductivity of Carbon Fiber-Polymer Composite

Carbon 화이버-폴리머 복합체의 전기적 특성

  • 이재연 (포항공과대학교 재료금속공학과) ;
  • 최경만 (포항공과대학교 재료금속공학과)
  • Published : 1998.06.01
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Abstract

The composites of insulating polymer filled with conducting carbon-fiber were fabricated by molding press method. To understand the fiber aspect-ratio dependence of electrical conductivity the aspect ratio was varied from 4 to 10 The percolation thresholds of transition from the insulator to the conductor de-creased as the fiber aspect ratio increased. The percolation threshold of fiber-segregated composite in this study was smaller than that of fiber-random composite shown in other study. When the electrical con-ductivity curves were fitted by general effective medium equation morphological variable(t) decreased as the fiber aspect-ratio increased.

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References

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