High-power resonant measurements of piezoelectric materials

Importance of elastic nonlinearities

Shashank Priya, Dwight Viehland, Alfredo Vázquez Carazo, Jungho Ryu, Kenji Uchino

Research output: Contribution to journalArticle

54 Citations (Scopus)

Abstract

A resonance method for measuring the complex elastic and electromechanical properties of piezoelectric materials under high-power operational conditions has been developed. In this method, rectangular specimens are piezoelectrically driven into mechanical resonance. The displacement of the transverse resonance mode is measured as a function of frequency (f) using an optical vibrometer method in conjunction with a frequency response analyzer. Due to the wide amplitude sensitivity range of the detection system, asymmetries in nonlinear resonance curves with mechanical damping can be accurately measured. The method has been applied to the study of Pb(Zr1-xTix)O3. Under resonant high-power drive, it has been found that electromechanical nonlinearities are due to elastic ones, as the elastic and electromechanical properties were both found to scale with the square of the strain amplitude. The temperature (T) and ac electric field (Eac) dependence of the mechanical quality factor Qm, were also determined. Iso-Qm curves were constructed that can be used to predict performance criteria for high-power applications of piezoelectric materials.

Original languageEnglish (US)
Pages (from-to)1469-1479
Number of pages11
JournalJournal of Applied Physics
Volume90
Issue number3
DOIs
StatePublished - Aug 1 2001

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nonlinearity
elastic properties
resonant vibration
vibration meters
curves
frequency response
Q factors
analyzers
damping
asymmetry
electric fields
sensitivity
temperature

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Priya, Shashank ; Viehland, Dwight ; Carazo, Alfredo Vázquez ; Ryu, Jungho ; Uchino, Kenji. / High-power resonant measurements of piezoelectric materials : Importance of elastic nonlinearities. In: Journal of Applied Physics. 2001 ; Vol. 90, No. 3. pp. 1469-1479.
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High-power resonant measurements of piezoelectric materials : Importance of elastic nonlinearities. / Priya, Shashank; Viehland, Dwight; Carazo, Alfredo Vázquez; Ryu, Jungho; Uchino, Kenji.

In: Journal of Applied Physics, Vol. 90, No. 3, 01.08.2001, p. 1469-1479.

Research output: Contribution to journalArticle

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