On misfit dislocations in the diffusion zone of a bicrystal system
- 1 September 1965
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine
- Vol. 12 (117) , 453-465
- https://doi.org/10.1080/14786436508218892
Abstract
The diffusion-induced redistribution of misfit dislocations in a bicrystal system is investigated by analysing the acting forces. It is shown that, as diffusion proceeds, the interface of dislocations in general moves too, and that a climb force, promoting separation of the dislocations into sub-interfaces, comes into play. At a certain distance of separation the configuration becomes unstable with respect to glide, bringing dislocation pairs into vertical alignment. This process is followed by climb towards an equilibrium separation. Further multiplication of sub-interfaces will likewise occur.Keywords
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