| Download | - View accepted manuscript: High-temperature integrated and flexible ultrasonic transducers for nondestructive testing (PDF, 735 KiB)
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| DOI | Resolve DOI: https://doi.org/10.1016/j.ndteint.2008.11.003 |
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| Author | Search for: Kobayashi, M.1; Search for: Jen, C.-K.1; Search for: Bussiere, J.-F.1; Search for: Wu, K.-T. |
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| Affiliation | - National Research Council of Canada. NRC Industrial Materials Institute
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| Format | Text, Article |
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| Subject | integrated ultrasonic transducers; flexible ultrasonic transducers; NDT; stainless steel; thin film; delay line; lithium niobates; PZT; ceramic coating; thick film; piezoelectric ceramics; sol gel process; ultrasonic transducer; high temperature; pulse echo method; dimensional control; thickness measurement; acoustic measurement; ultrasonic control; non destructive test; metrology; couche mince; ligne retard; niobate de lithium; PZT; revêtement céramique; couche épaisse; céramique piézoélectrique; procédé sol gel; transducteur ultrason; haute température; méthode écho impulsion; contrôle dimensionnel; mesure épaisseur; mesure acoustique; essai ultrason; essai non destructif; métrologie |
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| Abstract | Integrated ultrasonic transducers (IUTs) and flexible ultrasonic transducers (FUTs) are presented for nondestructive testing at high temperatures. These transducers are made of sol-gel-sprayed piezoelectric thick (>40 µm) ceramic films. The ceramic materials are lead-zirconate-titanate, bismuth titanate and lithium niobate which are for thickness measurements up to 150, 400 and 800°C, respectively. The IUT can also be deposited onto one end of a long ultrasonic delay line to perform nondestructive testing at the other end at even higher temperatures. FUTs made of bismuth titanate films onto thin stainless steel foils are also used for thickness measurements at 300°C with a high-temperature couplant sandwiched between the FUT and a steel substrate. All experiments at high temperatures were performed in pulse-echo mode and ultrasonic echoes with signal-to-noise ratios above 20 dB were obtained. The center operation frequencies of both IUTs and FUTs range from 4.4 to 10.7 MHz. |
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| Publication date | 2009-03-01 |
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| Terms of use | - You may reproduce (print, make photocopies, or download) the accepted manuscript without permission for non-commercial purposes (research, education, and private study), on the condition that you provide proper attribution of the source in all copies.
- Vous pouvez reproduire (imprimer, faire des photocopies ou télécharger) le manuscrit accepté sans autorisation à des fins non commerciales (recherche, éducation et études privées), à condition de fournir la source appropriée dans toutes les copies.
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| Language | English |
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| Peer reviewed | Yes |
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| NRC number | NRCC 51057 |
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| NPARC number | 11213131 |
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| Export citation | Export as RIS |
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| Report a correction | Report a correction (opens in a new tab) |
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| Record identifier | bf1da5c3-46d5-45b6-b704-6c1774f31f85 |
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| Record created | 2009-10-03 |
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| Record modified | 2020-04-16 |
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