Ding, W., Li, X., Zhang, Y., Liu, D., Tian, J., Li, X. and Lam, K. H. (2021) High frequency ultrasound transducer for nondestructive testing based on PMNT ceramics with high piezoelectricity = 基于高压电性PMNT陶瓷的无损检测高频超声换能器. Yadian Yu Shengguang/Piezoelectrics and Acoustooptics, 43(6), pp. 781-785. (doi: 10.11977/j.issn.1004-2474.2021.06.013)
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Abstract
The Smdoped Pb(Mg1/3Nb2/3)O30.30PbTiO3(PMN0.30PT) ceramic has very large piezoelectric response (d33~1 300 pC/N) that can be comparable with the PMN0.30PT single crystal,but it has higher consistency and lower cost than piezoelectric single crystal. Aiming at the industrial application of high frequency ultrasonic nondestructive testing, a highfrequency ultrasonic transducer with a center frequency of greater than 30.5 MHz is designed and fabricated based on Smdoped PMN0.30PT ceramics in this paper. The performance of the transducer was characterized by the ultrasonic pulse echo method, and its sound field is tested. The ultrasonic imaging of the microstructure of small plastic parts is carried out by using the prepared highfrequency ultrasonic transducer. The results show that the highfrequency ultrasonic transducer based on Smdoped PMN0.30PT ceramic has excellent imaging performance and is suitable for the industrial preparation of high frequency ultrasonic nondestructive testing imaging.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Lam, Dr Koko |
| Authors: | Ding, W., Li, X., Zhang, Y., Liu, D., Tian, J., Li, X., and Lam, K. H. |
| College/School: | College of Science and Engineering > School of Engineering > Systems Power and Energy |
| Journal Name: | Yadian Yu Shengguang/Piezoelectrics and Acoustooptics |
| Publisher: | Dianzi Gongye Bu * Sichuan Yadian Yu Shengguang Jishu Yanjiusuo |
| ISSN: | 1004-2474 |
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