Ceramic Element Bonding For Piezoelectric Motors

Yerganian, S.S.

doi:10.2172/756503

Cited by 1 publication

(1 citation statement)

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“…Honeywell provided PZT to PZT, PZT to metal bonding for piezoelectric motors. Silver-to-silver thermocompressive bonding took place in a light vacuum environment, at the temperature <250 o C and pressures 10÷40 MPa [43]. It is emphasized that the flatness of the samples and more consistent loading are very critical.…”

Section: Analysis Of Bonding Techniques Of Piezoelectric Elements To mentioning

confidence: 99%

High temperature ultrasonic transducers for imaging and measurements in a liquid Pb/Bi eutectic alloy

Kažys

Voleišis

Šliteris

et al. 2005

IEEE Trans. Ultrason., Ferroelect., Freq. Contr.

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The problems of development of high-temperature ultrasonic transducers for modern science and technology applications are analysed. More than 10 piezoelectric materials suitable for operation at high temperatures are overviewed. It is shown that bismuth titanate based piezoelectric elements are most promisable. Bonding methods of piezoelectric elements to a protector and backing are discussed. Thermosonic gold-to-gold bonding is most modern and possesses unique features. Our achievements in this field are analysed in the context of world progress. In sol-gel and chemical vapour deposition technology bonding and sometimes coupling problems are avoided at all. Design peculiarities of the transducers are reviewed. Commercial sensors in the meanwhile are often characterized with poor performance in extreme conditions.In conclusions recommendations for high temperature ultrasonic transducers design are formulated.

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Section: Analysis Of Bonding Techniques Of Piezoelectric Elements To mentioning

confidence: 99%