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In Situ Electron Backscatter Diffraction Analysis for Microstructure Evolution and Deformation Models of Mg–Ce Alloy During Uniaxial Loading

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Abstract

Previous studies showed that significant increases in elongation in Mg–Ce alloys due to the Ce addition and the solute drag effect by Ce addition were ascribed to the non-basal dislocation slip activating and the texture altering. The microstructure evolution and deformation models of extruded Mg-0.5 wt%Ce alloy rods under uniaxial tension have been studied using in situ electron backscatter diffraction. The basal and non-basal slips were characterized by using slip line trace analysis. The results provide evidence for that pyramidal slip activated during deformation, besides basal slip and extension twinning, which contributes to the texture weakening and ductility increasing in Mg-0.5 wt%Ce alloy.

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Acknowledgements

The authors gratefully acknowledge the financial supports of the National Key Research and Development Plan (Grant Nos. 2016YFB0301103 and 2016YFB0701201) and the National Natural Science Foundation of China (Grant Nos. 51771109 and 51631006).

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Authors and Affiliations

  1. National Engineering Research Center of Light Alloys Net Forming, School of Material Sciences and Engineering, Shanghai Jiaotong University, Shanghai, 200240, China

    Fang-Wei Jiao, Li Jin, Jie Dong & Feng-Hua Wang

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  1. Fang-Wei Jiao
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  2. Li Jin
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  3. Jie Dong
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  4. Feng-Hua Wang
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Correspondence to Li Jin.

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Available online at http://link.springer.com/journal/40195

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Jiao, FW., Jin, L., Dong, J. et al. In Situ Electron Backscatter Diffraction Analysis for Microstructure Evolution and Deformation Models of Mg–Ce Alloy During Uniaxial Loading. Acta Metall. Sin. (Engl. Lett.) 32, 263–268 (2019). https://doi.org/10.1007/s40195-018-0865-7

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  • DOI: https://doi.org/10.1007/s40195-018-0865-7

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