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The Influence of Compositional Changes on the Glass-Forming Ability of Y-Containing Mg Alloys

Published online by Cambridge University Press:  22 January 2014

E. Eshed ,
M. Bamberger  and
A. Katsman
E. Eshed
Affiliation:
Department of Materials Science and Engineering, Technion, Haifa 32000, Israel Israel Institute of Metals, Technion, Haifa 32000, Israel
M. Bamberger
Affiliation:
Department of Materials Science and Engineering, Technion, Haifa 32000, Israel
A. Katsman
Affiliation:
Department of Materials Science and Engineering, Technion, Haifa 32000, Israel
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Abstract

The effect of compositional changes on the glass forming ability of Mg alloys containing Y was studied. Four rapidly-solidified Mg-alloys were investigated: Mg91Y7.5La1.5, Mg85Y12La3, Mg86Y9.5Cu2.5La2 and Mg82Y11La4Eu3. XRD and DSC spectra revealed that the Mg86Y9.5Cu2.5La2 was the most amorphous out of the investigated alloys. A model based on a spinodal-like decomposition of a supercooled liquid alloy was developed. The model provides qualitative and quantitative explanation for the variation in glass forming ability.

Keywords

Mgamorphousalloy
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1649: Symposium II – Bulk Metallic Glasses , 2014 , mrsf13-1649-ii03-08
Copyright
Copyright © Materials Research Society 2014 

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References

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