Large signal response and harmonic distortion in piezoelectrics for SONAR transducers

Nevin P. Sherlock; Richard J. Meyer

doi:10.1007/s10832-012-9708-5

Large signal response and harmonic distortion in piezoelectrics for SONAR transducers

Nevin P. Sherlock, Richard J. Meyer

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

Nonlinearity in the piezoelectric response limits the operating conditions of underwater transducers. In this work, the nonlinear effects are evaluated in terms of electrical current and induced strain as a function of drive level. Nonlinearity is further quantified within the active transduction material by evaluating the total harmonic distortion (THD) in the electromechanical response. Modified single crystals based on the binary lead magnesium niobate\-lead titanate system were investigated. It is shown that single crystals show greater mechanical response and reduced THD, enabling operation at higher power levels. The performance of these single crystals is also compared to conventional high power lead zirconate titanate ceramics.

Original language	English (US)
Pages (from-to)	202-207
Number of pages	6
Journal	Journal of Electroceramics
Volume	28
Issue number	2-3
DOIs	https://doi.org/10.1007/s10832-012-9708-5
State	Published - May 2012

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Mechanics of Materials
Electrical and Electronic Engineering
Materials Chemistry

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10.1007/s10832-012-9708-5

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title = "Large signal response and harmonic distortion in piezoelectrics for SONAR transducers",

abstract = "Nonlinearity in the piezoelectric response limits the operating conditions of underwater transducers. In this work, the nonlinear effects are evaluated in terms of electrical current and induced strain as a function of drive level. Nonlinearity is further quantified within the active transduction material by evaluating the total harmonic distortion (THD) in the electromechanical response. Modified single crystals based on the binary lead magnesium niobate\-lead titanate system were investigated. It is shown that single crystals show greater mechanical response and reduced THD, enabling operation at higher power levels. The performance of these single crystals is also compared to conventional high power lead zirconate titanate ceramics.",

author = "Sherlock, {Nevin P.} and Meyer, {Richard J.}",

note = "Funding Information: Acknowledgements The authors would like to thank Shujun Zhang and Tom Shrout at the Materials Research Laboratory for their collaboration and insights. Additional thanks to Jun Luo at TRS Technologies, Inc. for providing the single crystal samples. This work was supported by the Office of Naval Research (Arlington, VA), and the views contained do not represent official ONR policy or procedure.",

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AU - Meyer, Richard J.

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AB - Nonlinearity in the piezoelectric response limits the operating conditions of underwater transducers. In this work, the nonlinear effects are evaluated in terms of electrical current and induced strain as a function of drive level. Nonlinearity is further quantified within the active transduction material by evaluating the total harmonic distortion (THD) in the electromechanical response. Modified single crystals based on the binary lead magnesium niobate\-lead titanate system were investigated. It is shown that single crystals show greater mechanical response and reduced THD, enabling operation at higher power levels. The performance of these single crystals is also compared to conventional high power lead zirconate titanate ceramics.

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Large signal response and harmonic distortion in piezoelectrics for SONAR transducers

Abstract

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