The creation and accommodation of extrinsic dislocations at grain boundaries
- 1 January 1976
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine
- Vol. 33 (1), 21-31
- https://doi.org/10.1080/14786437608221088
Abstract
This paper considers the observation of extrinsic grain boundary dislocations in a commercial austenitic steel. It is shown that the stability of these non-equilibrium defects is a sensitive function of the precise thermo-mechanical history of the specimen material and is often controlled by the presence of active pinning centres in the grain boundary (e.g. solute and/or precipitate)Keywords
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