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Analysis of spurious resonances in single and multi-element piezocomposite ultrasonic transducers

Reynolds, P. and Hyslop, J.E. and Hayward, G. (2003) Analysis of spurious resonances in single and multi-element piezocomposite ultrasonic transducers. In: IEEE International Ultrasonics Symposium 2003, 2003-10-05 - 2003-10-08, Honolulu.

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Abstract

1-3 piezocomposites provide for significant advantages over solid piezoceramic transducers for ultrasound applications, at the expense of introduction of additional spurious resonances. We examine in detail the generation of high frequency inter-pillar (lateral) resonances in 1-3 piezoelectric composites, through experiment and finite element analysis (FEA) with the PZFlex package. These inter-pillar modes are clearly shown to be generated due to Lamb waves propagating through the substrate between pillars, the magnitude of which varies dependent upon magnitude of displacement from the thickness mode vibration and its proximity in the frequency domain.

Item type: Conference or Workshop Item (Paper)
ID code: 38626
Keywords: analysis, spurious resonances, single, multi-element piezocompossite, ultrasonic transducers, Electrical engineering. Electronics Nuclear engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Unknown Department
Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 21 Mar 2012 16:52
    Last modified: 04 Oct 2012 17:23
    URI: http://strathprints.strath.ac.uk/id/eprint/38626

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