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    • Microstructure and Properties of Al-Mg-Sc Alloy

    • Wei Huakai~1

      1 ,

      Hu Fangyou~1

      1 ,

      Guan Renguo~2

      2
    • Issue 11, Pages: 739-741(2006)   

      Published： 2006 ，

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  • Wei Huakai~1, Hu Fangyou~1, Guan Renguo~2. Microstructure and Properties of Al-Mg-Sc Alloy. [J]. Special Casting & Nonferrous Alloys (11):739-741(2006) DOI：
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    Abstract

    Al-5Mg-0.3Sc alloy plate with high comprehensive properties has been developed.Effects of Sc on microstructure and properties of Al-Mg alloy were observed by OM and SEM.The results show that 0.3% Sc addition can significantly refine as-cast structure in Al-Mg alloy so that major dendritic structure can disappears in the microstructure.Al-5Mg-0.3Sc alloy is equivalent to 2Al2（LY12）alloy in mechanical proerties but is higher than ones in corrosion resistance in sea-water.So the Al-5Mg-0.3Sc alloy can take place 2A12 alloy plate to be used as repairing material for failure aluminum structure plate in the plane.

    transl

    Keywords

    Sc; Al-Mg Alloy; Micristructure; Properties; Plane Structure

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