Influence of Alloying Elements and Extrusion Process Parameter on the Recrystallization Process of Mg-Zn alloys

In the present work, the influence of the additions of zinc, zirconium and cerium-rich mischmetal on the microstructural recrystallization development of magnesium were investigated. Grain size and chemical composition were the principal variables of the billets used for indirect extrusion experimen...

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Bibliographic Details
Published in:Materials today : proceedings 2015, Vol.2, p.S19-S25
Main Authors: Meza-García, E., Bohlen, J., Yi, S., Letzig, D., Kräusel, V., Landgrebe, D., Kainer, K.U.
Format: Article
Language:English
Subjects:
indirect extrusion
Magnesium wrought alloys
rare earth elements
recrystallisation
texture
zinc
zirconium
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Summary:In the present work, the influence of the additions of zinc, zirconium and cerium-rich mischmetal on the microstructural recrystallization development of magnesium were investigated. Grain size and chemical composition were the principal variables of the billets used for indirect extrusion experiments. Significant changes in the evolution of the dynamic recrystallization (DRX) process as a function of the alloying element contents and the process variables were observed. Microstructures and preferred orientation of crystallites were correlated in order to discuss the role of alloy composition on the DRX. This discussion was based on the macro-texture measurements and some EBSD measurements of selected samples.
ISSN:2214-7853
2214-7853
DOI:10.1016/j.matpr.2015.05.004