Proceedings of the Korean Institute of Surface Engineering Conference (한국표면공학회:학술대회논문집)

The Korean Institute of Surface Engineering (한국표면공학회)
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A Study on The Electrochemical Behavior of CF/Al Composite in Aqueous Solutions

수용액 중 탄소섬유/알루미늄 복합재의 전기화학적 거동에 관한 연구

  • 남윤경 (한국기계연구원 부설 재료연구소) ;
  • 문성모 (한국기계연구원 부설 재료연구소) ;
  • 정용수 (한국기계연구원 부설 재료연구소) ;
  • 신승용 (생산기술연구원)
  • Published : 2011.05.19
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Abstract

In this work, The electrochemical behavior of CF/Al composite was investigated at constant current densities in aqueous solutions. The surface and cross section of PEO-treated CF/Al were observed using SEM, EDS and OM. The CF/Al composite contains carbon fibers of about 40 Vol.% with 5~7 um diameter and 100~150 um length. The carbon fibers appeared to b removed by anodic oxidation in sulfuric acid solution, leaving a carbon-fiber free zone in the surface region. Anodic oxide films were formed in the carbon-free region by plasma electrolytic oxidation(PEO) method in alkaline solutions.

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