Understanding microstructural evolution during three-axial thermo-mechanical processing involving severe plastic deformation of magnesium alloys

ABSTRACT

Magnesium-rare earth alloy was selected as a model alloy system to explore and fundamentally understand the evolution of microstructure during three-axial thermo-mechanical processing involving severe plastic deformation. The microstructural evolution was studied via electron backscatter diffraction technique in a scanning electron microscope. Dynamic recrystallization mechanism during severe plastic deformation led to significant grain refinement of the alloy to ultrafine/fine-grained structure with random orientation of grains.

KEYWORDS:

• Magnesium alloy
• rare-earth element
• electron back-scattered diffraction

Acknowledgments

RDKM sincerely thanks Professor Y.R. Yang, former colleague at the University of Cambridge for guidance and provided training to TFC.

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Funding

The author(s) reported there is no funding associated with the work featured in this article.