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Predicting the Coupling Properties of Axially-Textured Materials

DOI: 10.3390/ma6114967 DOI Help

Authors: Luis Fuentes-cobas (Centro de Investigación en Materiales Avanzados) , Alejandro Muñoz-romero (The Mexico Technical Center) , María Montero-cabrera (Centro de Investigación en Materiales Avanzados) , Luis Fuentes-montero (Diamond Light Source) , María Fuentes-montero (Universidad Autónoma de Chihuahua)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Materials , VOL 6 (11) , PAGES 4967 - 4984

State: Published (Approved)
Published: November 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.

Journal Keywords: Properties Prediction; Polycrystals; Texture; Piezoelectricity; Computer Modeling

Subject Areas: Materials, Physics, Energy

Technical Areas: Electrical Engineering , Mechanical Engineering , Optics , Theoretical Physics

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