Solute Pre-Precipitation and Phase Transformation in a Mg-Zn-Gd Alloy

Abstract:

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A novel precipitation sequence, super-saturated-solution → stacking faults → Mg3Gd, i.e. S.S.S. → SF → β1, was established for a Mg-3Zn-2Gd (wt%) alloy. Solute pre-precipitation can occur during the solidification of as-cast alloy and subsequent solution-treatment, resulting in the formation of lamella structures with …ABCABC… stacking sequence. The lamella structure will transform to the Mg3Gd phase, even that Mg3Gd is not the most stable phase in this serial alloys.

Info:

Periodical:

Advanced Materials Research (Volumes 152-153)

Edited by:

Zhengyi Jiang, Jingtao Han and Xianghua Liu

Pages:

864-867

DOI:

10.4028/www.scientific.net/AMR.152-153.864

Citation:

L. Lin et al., "Solute Pre-Precipitation and Phase Transformation in a Mg-Zn-Gd Alloy", Advanced Materials Research, Vols. 152-153, pp. 864-867, 2011

Online since:

October 2010

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Price:

$35.00

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