Artículo
Analytical expressions to estimate the effective piezoelectric tensor of a textured polycrystal for any crystal symmetry
Autor/es | Buroni, Julieta L.
Buroni Cuneo, Federico Carlos Cisilino, ,Adrián P. Melnik, Roderick Rodríguez de Tembleque Solano, Luis Sáez Pérez, Andrés |
Departamento | Universidad de Sevilla. Departamento de Ingeniería Mecánica y de Fabricación Universidad de Sevilla. Departamento de Mecánica de Medios Continuos y Teoría de Estructuras |
Fecha de publicación | 2020-12 |
Fecha de depósito | 2024-02-09 |
Publicado en |
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Resumen | This work introduces a set of analytical expressions that simplify the procedure for obtaining closed-form formulas to estimate the effective piezoelectric properties of polycrystalline aggregates formed by crystals of all ... This work introduces a set of analytical expressions that simplify the procedure for obtaining closed-form formulas to estimate the effective piezoelectric properties of polycrystalline aggregates formed by crystals of all the 21 non-centrosymmetrical classes, with arbitrary textures. These expressions are derived from the orientational averages of third-order piezoelectric tensors of individual crystals, weighted by orientational distribution functions. The averaging employs generalized spherical harmonic series expansions. Improvements over previous works are notable in two main aspects: all crystal symmetries are considered, and no symmetry restrictions are imposed on the texture. The versatility of the introduced expressions is demonstrated through an example of BaTiO3 polycrystals with uniaxial and biaxial textures characterized by single and double Gaussian distributions, respectively. The results for uniaxial texture align perfectly with those published in the literature, while the biaxial texture is discussed in detail and analyzed for a set of limiting cases. |
Agencias financiadoras | Ministerio de Economía y Competitividad (MINECO). España Consejería de Economía, Conocimiento, Empresas y Universidad, Junta de Andalucía Universidad Nacional de Mar del Plata. Argentina |
Identificador del proyecto | DPI2017-89162-R
P18-RT-3128 15/G511 |
Cita | Buroni, J.L., Buroni, F.C., Cisilino, Melnik, R., Rodríguez de Tembleque, L. y Sáez, A. (2020). Analytical expressions to estimate the effective piezoelectric tensor of a textured polycrystal for any crystal symmetry. Mechanics of Materials, 151, 103604. https://doi.org/10.1016/j.mechmat.2020.103604. |
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