Reassessment of the constrained coincident-site-lattice model for reference structures in vicinal high-angle grain boundaries
- 1 July 1997
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine Letters
- Vol. 76 (1) , 25-32
- https://doi.org/10.1080/095008397179345
Abstract
The constrained coincident-site-lattice model for the reference structures adopted by vicinal high-angle grain boundaries in non-cubic materials has been reassessed. It has been found that there are objections which can be raised to this model in terms of the formulations of the O-lattice equation, the Burgers vectors of interfacial dislocations, and the long-range elastic strain induced by the adoption of such a structure. It is suggested that a high density of coincident or near-coincident sites in the boundary plane may constitute a more appropriate model for the reference structures.Keywords
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