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  5. THE DEPENDENCE OF THE ELASTIC VIBRATIONS PACKAGE OF YOUNG'S MODULUS OF THE INNER LAYER WHEN PHOTO THERMO ACOUSTIC CONVERTING

THE DEPENDENCE OF THE ELASTIC VIBRATIONS PACKAGE OF YOUNG'S MODULUS OF THE INNER LAYER WHEN PHOTO THERMO ACOUSTIC CONVERTING

O.V. Bogdanov
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In the article the dependence of the amplitude and phase of steady elastic vibrations occurring in a thin three-layer package of changes in the physical characteristics of one of the inner layer. An analysis of the elastic vibrations elastic modulus (Young's). Package outer layers are made of the same material. Problem is made in the framework of unbound thermoelasticity. The results show a nonlinear dependence of elastic waves from said parameter.
Keywords: three-layer package, photo thermo acoustic (PTA) conversion, elastic vibrations, elastic modulus (Young's)