Journal
MRS BULLETIN
Volume 41, Issue 4, Pages 314-319Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1557/mrs.2016.64
Keywords
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Funding
- Australian Research Council
- National Science Foundation [CMMI-1462885]
- Natural Sciences and Engineering Research Council of Canada
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [1462885] Funding Source: National Science Foundation
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Due to the scarcity of easy slip systems in hexagonal materials with a hexagonal close-packed structure (hcp), deformation twinning plays a crucial role in determining mechanical properties and texture evolution. In this article, we highlight the current understanding of mechanisms and mechanics of the twinning system {10 (1) over bar2} < 10 (1) over bar(1) over bar >, which is commonly activated in all hexagonal materials for nucleation and propagation of deformation twins, twin-twin interactions, solute segregation at twin boundaries, and the development of constitutive models that account for the fundamental mechanisms of twinning/detwinning. Future directions such as characterizing the three-dimensional shapes of twins, the influence of solute atoms on twin propagation, and the influence of twin-twin junctions on mechanical properties of the hexagonal materials are discussed.
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