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- Title
A one-step mechanism for new twinning modes in magnesium and titanium alloys modelled by the obliquity correction of a (58°, a + 2b) prototype stretch twin.
- Authors
Cayron, Cyril
- Abstract
The {1122} and {1126} twinning modes were recently discovered by Ostapovets et al. [Philos. Mag. (2017), 97, 1088-1101] and interpreted as {1012}-{1012} double twins formed by the simultaneous action of two twinning shears. Another interpretation is proposed here in which the two conjugate twinning modes result from a one-step mechanism based on a (58°, a + 2b) prototype stretch twin and differ from each other only by their obliquity correction. The results are also compared with the classical theory of twinning and with the Westlake-Rosenbaum model.
- Subjects
TITANIUM alloys; MAGNESIUM alloys; TWINNING (Crystallography)
- Publication
Acta Crystallographica. Section A, Foundations & Advances, 2018, Vol 74, Issue 1, p44
- ISSN
2053-2733
- Publication type
Article
- DOI
10.1107/S2053273317015042