On the structural unit model of grain boundary structure
- 1 February 1989
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine Letters
- Vol. 59 (2) , 53-59
- https://doi.org/10.1080/09500838908214777
Abstract
A critique of the structural unit model is presented. It is shown that the predictive capacity of the model is severely limited when it is applied to boundaries with relatively-high-index rotation axes. Recent computer simulations suggest that ‘high index’ means 〈221〉 and above. A new approach to grain boundary structure is needed for mixed tilt and twist boundaries.Keywords
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