Corrosion Science and Technology

  • 제5권4호
  • /
  • Pages.137-140
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  • 2006
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  • 1598-6462(pISSN)
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  • 2288-6524(eISSN)
한국부식방식학회 (The Corrosion Science Society of Korea)
권호 표지

Structure of Oxide Film Prepared by Two-step Anodization of Aluminum

  • Ko, Eunseong (Department of Chemical Engineering, Inha University) ;
  • Ryu, Jaemin (Department of Chemical Engineering, Inha University) ;
  • Kang, Jinwook (Department of Chemical Engineering, Inha University) ;
  • Tak, Yongsug (Department of Chemical Engineering, Inha University)
  • 발행 : 2006.08.01
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초록

The effect of pre-existing barrier-type film on porous aluminum oxide film formation during anodization was investigated to control the uniform film growth rate. Initial potential fluctuations during anodization indicated that the breakdown of barrier-film is preceded before the porous formation and the induction time for the porous film growth increases with the increases of pre-existing film thickness. The porous film growth mechanism is lot affected by the presence of barrier film on aluminum surface. In parallel, uniform growth of barrier film underneath the porous structure was attained by two-step anodization processes.

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참고문헌

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