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Communication Dans Un Congrès Année : 2017

Coupled model for determination of full electroelastic sets of 1-3 piezocomposite with various pillar shapes

Résumé

The knowledge and determination of effective elastic, piezoelectric and dielectric constants for 1-3 piezocomposites play a key role in understanding and optimizing the performance of the material for various applications. This paper details a theoretical coupled method for determining the effective electroelastic tensors [C-E, e, epsilon(S)] of 1-3 piezocomposites with various pillar shapes using computed wave propagation velocities and Christoffel's equation for wave propagation. Results are validated using data from other homogenization techniques. In an effort to reduce computational time, a reduction of the number of velocities needed to attain precise effective parameters is achieved. This last result offers the possibility of an experimental determination using only 6 measurements.
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Dates et versions

hal-03300130 , version 1 (26-07-2021)

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Antoine Bale, Franck Levassort, Anne-Christine Hladky. Coupled model for determination of full electroelastic sets of 1-3 piezocomposite with various pillar shapes. IEEE International Ultrasonics Symposium (IUS), Sep 2017, Washington, United States. ⟨10.1109/ULTSYM.2017.8091841⟩. ⟨hal-03300130⟩
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