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Calculation of Single-Crystal Elastic Constants for Cubic Crystal Symmetry from Powder Diffraction Data

Published

Author(s)

Thomas H. Gnaupel-Herold, Paul C. Brand, Henry J. Prask

Abstract

In this work a method is developed that allows the computation of the single- crystal elastic constants for crystals of cubic symmetry from the diffraction elastic constants. The diffraction elastic constants can be obtained by measuring the hkl-dependent lattice strain response to an applied stress. Because of their hkl dependence they represent, partially, the anisotropic nature of the single-crystal elastic constants. The computation of the single-crystal elastic constants is carried out by a least-squares refinement which fits the calculated diffraction elastic constants to the measured ones.
Citation
Journal of Applied Crystallography
Volume
31

Keywords

single crystal elastic constants

Citation

Gnaupel-Herold, T. , Brand, P. and Prask, H. (1998), Calculation of Single-Crystal Elastic Constants for Cubic Crystal Symmetry from Powder Diffraction Data, Journal of Applied Crystallography (Accessed June 22, 2024)

Issues

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Created June 1, 1998, Updated February 17, 2017