O-lattice analyses of interfacial misfit. II. Systems containing invariant lines
- 1 August 1993
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine A
- Vol. 68 (2) , 291-303
- https://doi.org/10.1080/01418619308221206
Abstract
Mismatch in interfaces containing an invariant line is analysed on the basis of the O-lattice concept and the properties of the invariant line strain. An optimum orientation relationship is proposed to satisfy the requirement for the existence of the O lines. The corresponding habit plane will contain the O lines, and the mismatch in the habit plane will be accommodated completely by a single set of dislocations. The concept of an effective invariant line is introduced. An example is given for a Zr-2.5 wt% Nb alloy, showing the method of search for the optimum orientation relationship. The corresponding interfacial structure in the habit plane is also provided.Keywords
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