A Thickness Mode Acoustic Wave Sensor for Measuring Interface Stiffness Between Two Elastic Materials

Jiankang Chen, Wencai Wang, Ji Wang, Zengtao Yang, and Jiashi Yang

ABSTRACT We studied thickness vibration of 2 elastic layers with an elastic interface mounted on a plate piezoelectric resonator. The effect of the interface elasticity on resonant frequencies was examined. The result obtained suggests an acoustic wave sensor for measuring the elastic property of an interface between 2 materials.

Digital Object Identifier 10.1109/TUFFC.2008.852

© 2008, by The Institute of Electrical and Electronics Engineers, Inc. All rights reserved.

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