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Additive manufacture of impedance matching layers for air-coupled ultrasonic transducers
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Ramadas, Sivaram Nishal, Hunter, Michael, Thornby, John Albert, Purssell, C. P., Leigh, Simon J. and Dixon, Steve M. (2015) Additive manufacture of impedance matching layers for air-coupled ultrasonic transducers. In: 2015 IEEE International Ultrasonics Symposium , Taipei, Taiwan, 21-24 Oct 2015 pp. 1-4. doi:10.1109/ULTSYM.2015.0367
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WRAP_0870105-ep-011115-3dp_ml_ius2015_v3 (1).pdf - Accepted Version - Requires a PDF viewer. Download (975Kb) | Preview |
Abstract
A key problem in designing an efficient ultrasonic transducer for operating in a low acoustic impedance medium such as air is the large impedance mismatch between the active piezoceramic material and the load medium. While acoustic matching layers can be added to the face of the piezoceramic, the associated manufacturing difficulties and reliability can impact upon the cost and longevity of the resultant transducer. This paper presents some preliminary investigations conducted using an additive manufacturing technique, to develop a new material system for matching layer fabrication for air-coupled ultrasonic transducers. Results to date are very encouraging, and could result in a robust, reproducible, economical and improved fabrication method for air-coupled transducers.
| Item Type: | Conference Item (Paper) | ||||
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| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||
| Divisions: | Faculty of Science > Engineering Faculty of Science > Physics Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) |
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| Library of Congress Subject Headings (LCSH): | Impedance matching, Ultrasonic transducers, Three-dimensional printing | ||||
| Official Date: | 8 October 2015 | ||||
| Dates: |
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| Page Range: | pp. 1-4 | ||||
| DOI: | 10.1109/ULTSYM.2015.0367 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Funder: | Seventh Framework Programme (European Commission) (FP7), Royal Society (Great Britain) | ||||
| Grant number: | 612118 (FP7), RG130286 (RS) | ||||
| Conference Paper Type: | Paper | ||||
| Title of Event: | 2015 IEEE International Ultrasonics Symposium | ||||
| Type of Event: | Conference | ||||
| Location of Event: | Taipei, Taiwan | ||||
| Date(s) of Event: | 21-24 Oct 2015 | ||||
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