Onset of detwinning in Mg-3Al-1Zn alloy: A synchrotron-based X-ray diffraction study

[Display omitted] We investigate the onset of detwinning in magnesium alloy Mg-3Al-1Zn under continuous loading with real-time in situ synchrotron X-ray diffraction. Detwinning of the {101¯2} extension twins activated both by tension parallel to and compression perpendicular to the c-axis fibers is...

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Bibliographic Details
Published in:Scripta materialia 2021-01, Vol.190, p.113-117
Main Authors: Zhang, N.B., Zhang, Y.Y., Chen, S., Zhang, B.B., Li, Z.L., Xie, H.L., Lu, L., Yao, X.H., Luo, S.N.
Format: Article
Language:English
Subjects:
Detwinning
Magnesium alloy
Synchrotron X-ray diffraction
Twinning
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Summary:[Display omitted] We investigate the onset of detwinning in magnesium alloy Mg-3Al-1Zn under continuous loading with real-time in situ synchrotron X-ray diffraction. Detwinning of the {101¯2} extension twins activated both by tension parallel to and compression perpendicular to the c-axis fibers is explored. The experimental results reveal that detwinning of the {101¯2} extension twins occurs immediately upon unloading, regardless of whether the twins are activated by tension parallel to or compression perpendicular to the c-axis fibers.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2020.08.044