Journal of Powder Materials (한국분말재료학회지)

The Korean Powder Metallurgy & Materials Institute (한국분말재료학회 (*구 분말야금학회))
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Study on Hardness and Corrosion Resistance of Magnesium by Anodizing and Sealing Treatment With Nano-diamond Powder

양극산화와 나노 다이아몬드 분말 봉공처리에 의한 마그네슘의 경도와 부식에 관한 연구

  • Kang, Soo Young (Dept. of Metallurgical & Material Engineering, Inha Technical College) ;
  • Lee, Dae Won (School of materials science and engineering, Inha University)
  • 강수영 (인하공업전문대학 금속재료과) ;
  • 이대원 (인하대학교 신소재공학부)
  • Received : 2014.05.07
  • Accepted : 2014.07.09
  • Published : 2014.08.28
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Abstract

In this study, in order to increase surface ability of hardness and corrosion of magnesium alloy, anodizing and sealing with nano-diamond powder was conducted. A porous oxide layer on the magnesium alloy was successfully made at $85^{\circ}C$ through anodizing. It was found to be significantly more difficult to make a porous oxide layer in the magnesium alloy compared to an aluminum alloy. The oxide layer made below $73^{\circ}C$ by anodizing had no porous layer. The electrolyte used in this study is DOW 17 solution. The surface morphology of the magnesium oxide layer was investigated by a scanning electron microscope. The pores made by anodizing were sealed by water and aqueous nano-diamond powder respectively. The hardness and corrosion resistance of the magnesium alloy was increased by the anodizing and sealing treatment with nano-diamond powder.

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