Rigid body translations at grain boundaries
- 1 August 1976
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine
- Vol. 34 (2), 227-233
- https://doi.org/10.1080/14786437608221938
Abstract
Arguments are presented suggesting that the energy of a grain boundary may be minimized by the adoption of constant rigid body translations over facets of different inclination, continuously curved segments and/or adjacent structural units of different types within a given facet or curved segment. Consequently, a general high angle grain boundary should contain a network of dislocations bordering areas of constant rigid body translation. Observations by transmission electron microscopy of such translations in faceted and curved incoherent twin boundaries support the proposed ideas.Keywords
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