Acoustic properties of a dielectric with cavities in a polarizing electric field |
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Authors: | N. S. Shevyakhov |
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Affiliation: | (1) Institute of Radio Engineering and Electronics, Ul’yanovsk Branch, Russian Academy of Sciences, ul. Goncharova 48, Ul’yanovsk, 432011, Russia |
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Abstract: | The effect of an external polarizing electric field on the shear wave propagation in a centrosymmetric crystal with electrostriction, whose body is penetrated with parallel cylindrical cavities (pores), is considered. The cavities are distributed throughout the crystal at random and with a low density. The waves are assumed to be polarized along the cavity generatrices, and the wave propagation occurs in the elastic isotropy plane, which is orthogonal to the cavity axes. The external field is assumed to be axial. Possibility of controlling the propagation of shear waves by the polarizing field is demonstrated for the case of metallized cavity surfaces. |
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