Determination of the Orientation of a Parent β Grain from the Orientations of the Inherited α Plates in the Phase Transformation from Body-Centred Cubic to Hexagonal Close Packed
- 1 October 1995
- journal article
- research article
- Published by International Union of Crystallography (IUCr) in Journal of Applied Crystallography
- Vol. 28 (5) , 571-576
- https://doi.org/10.1107/s0021889895004067
Abstract
Knowledge of the orientations of several α plates inherited from the body-centred-cubic–hexagonal-close-packed phase transformation of a β grain allows us to determine the orientation of the latter, provided that a strict orientation relation between the two lattices exists. This contribution discusses the problem of the uniqueness of the solution and leads to the conclusion that the number of different α orientations required for that purpose is three in the less favourable case but is reduced to two in the most favourable case.Keywords
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