MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Effects of Zn/Gd Ratio and Content of Zn, Gd on Phase Constitutions of Mg Alloys
Yong LiuGuangyin YuanSong ZhangXinping ZhangChen LuWenjiang Ding
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2008 Volume 49 Issue 5 Pages 941-944

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Abstract

The phase constitutions of Mg-Zn-Gd alloys in the Mg-rich corner were investigated using XRD, SEM and TEM. The effect of Zn/Gd ratio and content of Zn, Gd element on the phase constitutions of Mg-Zn-Gd alloys were studied. Formation range of I-phase in the Mg-Zn-Gd system in the Mg-rich corner has been confirmed using conventional cast process. I-phase could been formed for alloys in the range of Zn/Gd ratio from 1.5 to 40, or with Zn above 3 at.% under the condition of Zn/Gd ratio of 10 and 25.

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© 2008 The Japan Institute of Metals and Materials
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