한국표면공학회지 (Journal of the Korean institute of surface engineering)

  • 제50권1호
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  • Pages.42-45
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  • 2017
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  • 1225-8024(pISSN)
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  • 2288-8403(eISSN)
한국표면공학회 (The Korean Institute of Surface Engineering)
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High Temperature Oxidation Behavior of Mg-6%Al-1%Zn-1%CaO Alloys

  • Lee, Dong Bok (School of Advanced Materials Science & Engineering, Sungkyunkwan University) ;
  • Kim, Min Jung (School of Advanced Materials Science & Engineering, Sungkyunkwan University)
  • 투고 : 2016.12.20
  • 심사 : 2017.02.13
  • 발행 : 2017.02.28
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초록

The magnesium-base AZ61 alloy was cast while adding 1% CaO powder into the melt. It was hot extruded, and oxidized at $550-650^{\circ}C$ in air in order to study its microstructure and oxidation behavior. Initially added CaO powder reacted with Al in the melt to $Al_2Ca$ particles that aligned along the extrusion direction. The formed $Al_2Ca$ particles increased the oxidation resistance through forming the superficial CaO scale at the upper part of the thin MgO oxide scale.

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참고문헌

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