Determination of plastic deformation with variable ultrasonic excitation positions
Frank Mevissen
Abstract:For highly stressed mechanical components, the information about a beginning plastic deformation is of enormous importance. Therefore, nondestructive testing and structural health monitoring techniques are essential to examine components and to make statements about the mechanical integrity.
In this work, the dislocation theory was extended and combined with ultrasonic wave excitation to obtain a dislocation description in isotropic materials. In the analytical derivation, the ultrasonic longitudinal w… Show more
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