Determination of the stretch tensor for structural transformations

Abstract

The transformation stretch tensor plays an essential role in the evaluation of conditions of compatibility between phases and the use of the Cauchy-Born rule. This tensor is difficult to measure directly from experiment. We give an algorithm for the determination of the transformation stretch tensor from x-ray measurements of structure and lattice parameters. When evaluated on some traditional and emerging phase transformations the algorithm gives unexpected results.

3 figures, 1 table

References in corpus (1)

• Study of the cofactor conditions: conditions of supercompatibility between phases

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