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Texture Evaluation of a Bi-Modal Structure During Static Recrystallization of Hot-Deformed Mg-Al-Sn Alloy

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Abstract

In this study, Mg-Al-Sn alloy was hot compressed at 523 K (250 °C) and annealed at 623 K (350 °C) for various times. The initial as-deformed microstructure was partially dynamic recrystallized with strain-induced precipitates on the recrystallized grain boundaries. After annealing at 623 K (350 °C), static recrystallization (SRX) of the bimodal microstructure took place where, at this temperature, no static precipitates formed. The goal of this work was to study the effect of dynamic precipitation on the texture evolution during the SRX process. Progressive texture evolution was studied during annealing by electron backscattered diffraction technique through a microstructure-tracking process. It was found that the grain-coarsening mechanism during the early stage of annealing is not totally controlled by the basal-oriented grains. Also, it was found that the dynamic precipitates may have significant influence in the early texture weakening during annealing of a bimodal structure.

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Acknowledgments

The authors would like to thank General Motors and NSERC, Canada for the financial support.

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Authors and Affiliations

  1. Department of Mining and Materials Engineering, McGill University, 3610 University Street, Montreal, QC, H3A 0C5, Canada

    Abu Syed Humaun Kabir (Postdoctoral Research Fellow), Jing Su (PhD Candidate) & Stephen Yue (Professor)

Authors
  1. Abu Syed Humaun Kabir
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  2. Jing Su
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  3. Stephen Yue
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Correspondence to Abu Syed Humaun Kabir.

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Manuscript submitted January 2, 2016.

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Kabir, A.S.H., Su, J. & Yue, S. Texture Evaluation of a Bi-Modal Structure During Static Recrystallization of Hot-Deformed Mg-Al-Sn Alloy. Metall Mater Trans B 47, 3326–3332 (2016). https://doi.org/10.1007/s11663-016-0613-1

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  • DOI: https://doi.org/10.1007/s11663-016-0613-1

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