Abstract
An investigation was made of the behavior of transient deformations in solids with internal stresses exposed to time-modulated laser radiation. The nonlinear theory of thermoelasticity is used to propose a model for the excitation of mechanical stresses which takes account of the stress dependence of the thermoelastic coupling parameter. An expression is derived for the electric signal recorded by a piezoelement when mechanical vibrations are generated in a uniformly deformed sample. The results are compared with existing experimental data and show qualitative agreement.
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Pis’ma Zh. Tekh. Fiz. 24, 82–88 (July 12, 1998)
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Muratikov, K.L. Theory of the thermoelastic generation of mechanical vibrations in internally stressed solids by laser radiation. Tech. Phys. Lett. 24, 536–538 (1998). https://doi.org/10.1134/1.1262183
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DOI: https://doi.org/10.1134/1.1262183