Journal of Powder Materials (한국분말재료학회지)

The Korean Powder Metallurgy & Materials Institute (한국분말재료학회 (*구 분말야금학회))
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Investigation About Surface Microstructure of Aluminum with Change of Voltage, a Period of Treatment and Density of Electrolyte in Micro-Arc Oxidation Treatment

MAO(Micro-Arc Oxidation) 공정 중 인가 전압, 반응 시간, 전해액 농도에 따른 알루미늄의 표면 미세조직 평가

  • Yeo, In-Chul (Department of Mechanical Engineering, Incheon University) ;
  • Kang, In-Cheol (Department of Nano & Surface Technology, SongdoTechnopark)
  • 여인철 (인천대학교 기계시스템 공학부) ;
  • 강인철 ((재)송도테크노파크 나노소재기술실)
  • Received : 2011.09.30
  • Accepted : 2011.11.24
  • Published : 2011.12.28
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Abstract

MAO(Micro-Arc Oxidation) method was used to make $Al_2O_3$ surface on 6063 Al specimen. This study was focused on an influence of voltage, density of electrolyte and a period of treatment on the change of surface microstructure by using SEM(Scanning Electron Microscope), EDS(Energy Dispersive X-ray Spectroscopy). The microstructure shows higher roughness and thicker oxidized layer with increase of voltage and maintaining period of treatment. The density of electrolyte affected a formation of more dense surface and increase of a oxidized layer.

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References

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