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Enhancement of signal amplitude of surface wave EMATs based on 3-D simulation analysis and orthogonal test method
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Kang, Lei, Dixon, S., Wang, Kaican and Dai, Jingmin (2013) Enhancement of signal amplitude of surface wave EMATs based on 3-D simulation analysis and orthogonal test method. NDT & E International, Volume 59 . pp. 11-17. doi:10.1016/j.ndteint.2013.05.003 ISSN 0963-8695.
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Official URL: http://dx.doi.org/10.1016/j.ndteint.2013.05.003
Abstract
The amplitude of an ultrasonic signal generated by electromagnetic acoustic transducers (EMATs) is typically low when compared to those generated by contacting transducers, which restricts the application of EMATs in the fields of nondestructive testing and nondestructive evaluation. The transmission process of a surface wave EMAT is studied, based on a previously established 3-D model, with the aim of enhancing the amplitude of ultrasonic waves generated by the EMAT. The effect of changing various EMAT parameters on the surface wave is investigated, by utilizing the orthogonal test method. Results indicate that after optimization, the signal amplitude of the EMAT has increased by 25.2%.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Journal or Publication Title: | NDT & E International | ||||
| Publisher: | Elsevier Sci Ltd. | ||||
| ISSN: | 0963-8695 | ||||
| Official Date: | 2013 | ||||
| Dates: |
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| Volume: | Volume 59 | ||||
| Page Range: | pp. 11-17 | ||||
| DOI: | 10.1016/j.ndteint.2013.05.003 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published |
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