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THE INFLUENCES OF Zn CONTENT AND COOLING RATE ON ASCAST MICROSTRUCTURE IN Al75% Mg ALLOYS

Q.Wu1)and S.B.Kang2) 1) Department of Material Science and Engineering , Nanjing University of Science and Technology , Nanjing , 210014 , China 2) Department of Material Engineering , Korea Institute of Mechanics and Materials , Changwon , Korea

金属学报(英文版)

Thesolidification processof Al 7 5% Mg Zn alloys wasstudiedin thepaper.The Zn contentand cooling rate werechanged andtheirinfluenceson as cast microstructure were measured by different methods. The solute segregation during nonequilibrium solidification process wascalculated byternary Scheilequation which wasin good agreement with experimentresulte.

关键词: aluminum alloy , null , null