Comparison of the properties of tonpilz transducers fabricated with 〈 001 〉 fiber-textured lead magnesium niobate-lead titanate ceramic and single crystals

Kristen H. Brosnan, Gary Lynn Messing, Douglas C. Markley, Richard Joseph Meyer, Jr.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Tonpilz transducers are fabricated from 〈 001 〉 fiber-textured 0.72Pb (Mg1/3 Nb2/3) O3 -0.28 PbTiO3 (PMN-28PT) ceramics, obtained by the templated grain growth process, and PMN-28PT ceramic and Bridgman grown single crystals of the same composition. In-water characterization of single element transducers shows higher source levels, higher in-water coupling, and more usable bandwidth for the 81 vol % textured PMN-28PT device than for the ceramic PMN-28PT element. The 81 vol % textured PMN-28PT tonpilz element measured under large signals shows linearity in sound pressure levels up to 0.23 MV/m drive field but undergoes a phase transition due to a lowered transition temperature from the SrTiO3 template particles. Although the textured ceramic performs well in this application, it could be further improved with compositional tailoring to raise the transition temperature and better processing to improve the texture quality. With these improvements textured piezoelectric ceramics will be viable options for medical ultrasound, actuators, and sonar applications because of their ease of processing, compositional homogeneity, and potentially lower cost than single crystal.

Original languageEnglish (US)
Pages (from-to)2257-2265
Number of pages9
JournalJournal of the Acoustical Society of America
Volume126
Issue number5
DOIs
StatePublished - Nov 17 2009

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niobates
magnesium
transducers
ceramics
fibers
single crystals
crystals
transition temperature
sonar
piezoelectric ceramics
sound pressure
water
homogeneity
linearity
templates
textures
actuators
bandwidth
Water
Magnesium

All Science Journal Classification (ASJC) codes

  • Acoustics and Ultrasonics

Cite this

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title = "Comparison of the properties of tonpilz transducers fabricated with 〈 001 〉 fiber-textured lead magnesium niobate-lead titanate ceramic and single crystals",
abstract = "Tonpilz transducers are fabricated from 〈 001 〉 fiber-textured 0.72Pb (Mg1/3 Nb2/3) O3 -0.28 PbTiO3 (PMN-28PT) ceramics, obtained by the templated grain growth process, and PMN-28PT ceramic and Bridgman grown single crystals of the same composition. In-water characterization of single element transducers shows higher source levels, higher in-water coupling, and more usable bandwidth for the 81 vol {\%} textured PMN-28PT device than for the ceramic PMN-28PT element. The 81 vol {\%} textured PMN-28PT tonpilz element measured under large signals shows linearity in sound pressure levels up to 0.23 MV/m drive field but undergoes a phase transition due to a lowered transition temperature from the SrTiO3 template particles. Although the textured ceramic performs well in this application, it could be further improved with compositional tailoring to raise the transition temperature and better processing to improve the texture quality. With these improvements textured piezoelectric ceramics will be viable options for medical ultrasound, actuators, and sonar applications because of their ease of processing, compositional homogeneity, and potentially lower cost than single crystal.",
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