Resonance oscillations and dissipative heating of piezoelectric spherical shells with allowance for the thermal depolarization phenomenon (Q2719349)
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scientific article; zbMATH DE number 1609630
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Resonance oscillations and dissipative heating of piezoelectric spherical shells with allowance for the thermal depolarization phenomenon |
scientific article; zbMATH DE number 1609630 |
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25 June 2001
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piezoelectric spherical shell
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thermal depolarization
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Resonance oscillations and dissipative heating of piezoelectric spherical shells with allowance for the thermal depolarization phenomenon (English)
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The authors consider an axisymmetric problem on resonance oscillations and dissipative heating of truncated spherical shell. The shell is composed of two rigidly connected piezoceramic layers of equal thickness with opposite directions of thickness polarization. It is shown that the allowance for the thermal dependances of the piezomaterial characteristics and the depolarization phenomenon involves an additional high-temperature branch in nonlinear thermal-frequency characteristics and refines the electrical load value starting from which appearance of the depolarized domain in the element is possible.
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