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Materials 2013, 6(11), 4967-4984; doi:10.3390/ma6114967
Article

Predicting the Coupling Properties of Axially-Textured Materials

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Received: 12 September 2013 / Revised: 21 October 2013 / Accepted: 23 October 2013 / Published: 30 October 2013
(This article belongs to the Section Structure Analysis and Characterization)
Download PDF [1018 KB, 31 October 2013; original version 30 October 2013]

Abstract

A description of methods and computer programs for the prediction of “coupling properties” in axially-textured polycrystals is presented. Starting data are the single-crystal properties, texture and stereography. The validity and proper protocols for applying the Voigt, Reuss and Hill approximations to estimate coupling properties effective values is analyzed. Working algorithms for predicting mentioned averages are given. Bunge’s symmetrized spherical harmonics expansion of orientation distribution functions, inverse pole figures and (single and polycrystals) physical properties is applied in all stages of the proposed methodology. The established mathematical route has been systematized in a working computer program. The discussion of piezoelectricity in a representative textured ferro-piezoelectric ceramic illustrates the application of the proposed methodology. Polycrystal coupling properties, predicted by the suggested route, are fairly close to experimentally measured ones.
Keywords: properties prediction; polycrystals; texture; piezoelectricity; computer modeling properties prediction; polycrystals; texture; piezoelectricity; computer modeling
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fuentes-Cobas, L.E.; Muñoz-Romero, A.; Montero-Cabrera, M.E.; Fuentes-Montero, L.; Fuentes-Montero, M.E. Predicting the Coupling Properties of Axially-Textured Materials. Materials 2013, 6, 4967-4984.

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