Determination of mechanical stresses in solids by an acoustic method |
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| Authors: | V. I. Erofeev V. A. Zaznobin R. V. Samokhvalov |
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| Affiliation: | (1) Institute of Mechanical Engineering, Russian Academy of Sciences, Nizhni Novgorod Branch, ul. Belinskogo 85, Nizhni Novgorod, 603024, Russia;(2) Research Institute for Measuring Systems, Nizhni Novgorod, 603950, Russia |
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| Abstract: | Different versions of linearized problems of the elastic wave propagation in prestressed bodies are considered. The influence of the version of the linearized elasticity theory chosen for calculating the magnitude of the acoustoelastic effect on the result of calculation is analyzed for longitudinal and shear waves and for Rayleigh surface waves. The results of theoretical calculations are compared with the experiment. Experimental data on the effect of bending stresses on the propagation velocity of Rayleigh waves are presented. These results extend the range of problems that can be solved by using the acoustoelastic effect. |
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