On the configuration of superlattice dislocation pairs in the ordered L12structure
- 1 July 1990
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine A
- Vol. 62 (1), 77-88
- https://doi.org/10.1080/01418619008244336
Abstract
Habit plane normals of superdislocation pairs cutting through the L12 γ′ phase of a single-crystal Ni-based superalloy at 1253 K were determined by transmission electron microscopy techniques. Isotropic elastic theory was used to calculate the minimum of elastic interaction energy between the dislocations of a pair as function of their character and of the orientation of the habit planes. The habit planes observed are in excellent agreement with these calculations.Keywords
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