Large signal response and harmonic distortion in piezoelectrics for SONAR transducers

Nevin P. Sherlock, Richard Joseph Meyer, Jr.

Research output: Contribution to journalArticle

3 Citations (Scopus)

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 languageEnglish (US)
Pages (from-to)202-207
Number of pages6
JournalJournal of Electroceramics
Volume28
Issue number2-3
DOIs
StatePublished - May 1 2012

Fingerprint

Harmonic distortion
Transducers
transducers
Single crystals
harmonics
single crystals
nonlinearity
niobates
Magnesium
magnesium
Lead
ceramics

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

Cite this

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Large signal response and harmonic distortion in piezoelectrics for SONAR transducers. / Sherlock, Nevin P.; Meyer, Jr., Richard Joseph.

In: Journal of Electroceramics, Vol. 28, No. 2-3, 01.05.2012, p. 202-207.

Research output: Contribution to journalArticle

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