11 April 2006 Propagation of guided Lamb waves in bonded specimens using piezoelectric wafer active sensors
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Abstract
The nondestructive evaluation (NDE) of adhesively bonded structures is a complex process. Earlier work has confirmed that ultrasonic waves are influenced by the properties of the material in which they travel. Acousto-ultrasonic methods have been widely used by previous researchers to generate ultrasonic waves in plates and bonded structures for flaw detection, visualization, and measurements of the local properties of the jointed materials. This paper will present the methods and principles used for generation and propagation of ultrasonic guided waves (Lamb waves) using piezoelectric wafer active sensors (PWAS).
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Adrian Cuc, Adrian Cuc, Victor Giurgiutiu, Victor Giurgiutiu, } "Propagation of guided Lamb waves in bonded specimens using piezoelectric wafer active sensors", Proc. SPIE 6174, Smart Structures and Materials 2006: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems, 617416 (11 April 2006); doi: 10.1117/12.658828; https://doi.org/10.1117/12.658828
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