1 Scope
This document:
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• defines key quantities relevant to ultrasonic materials characterization;
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• specifies methods for direct measurement of many key ultrasonic materials parameters.
This document is applicable to all measurements of properties of passive acoustic
materials under drive conditions that are not subject to nonlinear acoustic propagation.
Whilst there are materials properties that may be of interest in a nonlinear drive
regime, these are currently outside the scope of this document.