Effects of Zn/Gd Ratio and Content of Zn, Gd on Phase Constitutions of Mg Alloys

Yong Liu; Guangyin Yuan; Song Zhang; Xinping Zhang; Chen Lu; Wenjiang Ding

doi:10.2320/matertrans.MC200767

This article has now been updated. Please use the final version.

Effects of Zn/Gd Ratio and Content of Zn, Gd on Phase Constitutions of Mg Alloys

Yong Liu, Guangyin Yuan, Song Zhang, Xinping Zhang, Chen Lu, Wenjiang Ding

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Keywords: Mg alloy, icosahedral quasicrystal, microstructure

JOURNAL RESTRICTED ACCESS Advance online publication

Article ID: MC200767

DOI https://doi.org/10.2320/matertrans.MC200767

The final version of this article is now available: Vol. 49 (2008) , No. 5 p.941

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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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