Grain Refinement of Y in As-Cast Mg-Y Alloys

Qing Zhang; Quan An Li; Jun Chen; Xing Yuan Zhang

doi:10.4028/www.scientific.net/AMR.750-752.603

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 750-752Grain Refinement of Y in As-Cast Mg-Y Alloys

Grain Refinement of Y in As-Cast Mg-Y Alloys

Abstract:

The grain refinement of 2-8 wt.% Y addition in as-cast Mg-Y binary alloys has been investigated. The results show that the microstructure of as-cast Mg-Y alloys consists of α-Mg matrix and Mg₂₄Y₅phase. Mg₂₄Y₅ can become the effective nucleation core of α-Mg, and refine the grain size of the alloys. The ultimate tensile strength of as-cast Mg-5Y alloy is 180MPa at room temperature. Mg-5Y alloy can be a basis for developing light structural materials.

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Periodical:

Advanced Materials Research (Volumes 750-752)

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603-606

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.750-752.603

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Online since:

August 2013

Authors:

Qing Zhang, Quan An Li, Jun Chen, Xing Yuan Zhang

Keywords:

Grain Refinement, Magnesium Alloy, Microstructure, Y

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