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HiFFUTs for high temperature ultrasound
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Feeney, Andrew, Kang, Lei and Dixon, Steve M. (2018) HiFFUTs for high temperature ultrasound. In: International Congress on Ultrasonics (ICU, 18-20 Dec 2017, Honolulu, Hawaii. Published in: Proceedings of meetings on acoustics (ICU), 32 (1). ISSN 1939-800X. doi:10.1121/2.0000685
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Official URL: http://dx.doi.org/10.1121/2.0000685
Abstract
Flexural ultrasonic transducers have been widely used as proximity sensors and as part of industrial metrology systems. However, there is demand from industry for these transducers to have the capability
to operate in both liquid and gas, at temperatures of 100-200°C and higher, significantly greater than those tolerated by current flexural transducers. Furthermore, flexural transducers tend to be designed for
operation up to around 50 kHz, and the ability to operate at higher frequencies will open up new application and research areas. A limitation of current flexural transducers is the electromechanical
driving element, usually a lead zirconate titanate piezoelectric ceramic, which experiences significantly reduced performance as temperature is increased. This investigation proposes a new type of flexural transducer, the HiFFUT, a high frequency flexural ultrasonic transducer, comprising a bismuth titanate ceramic for operation at high temperatures, that could be replaced by another suitable high Curie temperature piezoelectric material if required, bonded to the membrane with a high temperature adhesive. The dynamic characteristics of the HiFFUT are studied as a function of temperature, providing insights into its usefulness for industrial applications.
| Item Type: | Conference Item (Paper) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||||||
| Divisions: | Faculty of Science > Physics | ||||||||
| Library of Congress Subject Headings (LCSH): | Ultrasonic transducers, Bismuth -- Industrial applications, Metrology | ||||||||
| Journal or Publication Title: | Proceedings of meetings on acoustics (ICU) | ||||||||
| Publisher: | ASA Publications | ||||||||
| ISSN: | 1939-800X | ||||||||
| Official Date: | 31 March 2018 | ||||||||
| Dates: |
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| Date of first compliant deposit: | 19 March 2018 | ||||||||
| Volume: | 32 | ||||||||
| Number: | 1 | ||||||||
| Article Number: | 045003 | ||||||||
| DOI: | 10.1121/2.0000685 | ||||||||
| Status: | Not Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||
| Description: | Physical Acoustics: Paper ICU2017 - 20 |
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| RIOXX Funder/Project Grant: |
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| Conference Paper Type: | Paper | ||||||||
| Title of Event: | International Congress on Ultrasonics (ICU | ||||||||
| Type of Event: | Conference | ||||||||
| Location of Event: | 18-20 Dec 2017 | ||||||||
| Date(s) of Event: | Honolulu, Hawaii | ||||||||
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