Characterization and interpretation of the morphology of a Mg2Sn precipitate with irrational facets in a Mg–Sn–Mn alloy
Source abstract
Abstract
The crystallographic morphology of β-Mg2Sn precipitates at (near) Burgers orientation relationship (OR) with respect to the α-Mg matrix in a Mg–Sn–Mn alloy was investigated by transmission electron microscopy (TEM). Two irrational facets of the precipitates were found to be F1 ∼// (−1 1 0.74)β and F2 ∼// (−1 1 −3.1)β. The facets are interpreted according to interfacial structures. The presence of a singular dislocation structure in F1 requires a small rotation of 0.21° from the Burgers OR. The calculated morphology is consistent with the observations.
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Research context
OpenAlex topics: Magnesium Alloys: Properties and Applications · Aluminum Alloy Microstructure Properties · Aluminum Alloys Composites Properties
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