EBSD study of superplastically strained Al-Mg-Li alloy

Myshlyaev, M. and Mironov, S. and Korznikova, G. and Konkova, T. and Korznikova, E. and Aletdinov, A. and Khalikova, G. (2020) EBSD study of superplastically strained Al-Mg-Li alloy. Materials Letters, 275. 128063. ISSN 0167-577X (https://doi.org/10.1016/j.matlet.2020.128063)

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In this study, electron back scatter diffraction (EBSD) was employed to examine the microstructure evolved during superplastic deformation of advanced Al-Mg-Li alloy. In contrast to the widely-accepted conception of superplasticity, the microstructure was found to be characterized by elongated grains, a notable fraction of low-angle boundaries, and a distinct (though a very weak) crystallographic texture. All these observations suggested a significant activity of intragranular slip.