Abstract
Powerful ultrasonic vibrations of a rigid body that arise during shock-wave loading are the result of the interaction of compression and unloading waves with the faces of the sample and with each other, which proceeds in the form of standing waves. Shock-wave ultrasound accompanies the process of localization of plastic deformation. It is shown that the duration of the vibration of the sample increases in comparison with the shock load time. The fast cooling of the metal inside the localization bands, the size of which does not exceed several tens of micrometers, indicates that the phase composition changes as a result of cold deformation.
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