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Experimental study of the guided wave directivity patterns of thin removable magnetostrictive patches
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Zitoun, Akram, Dixon, S., Edwards, Graham and Hutchins, David A. (2020) Experimental study of the guided wave directivity patterns of thin removable magnetostrictive patches. Sensors, 20 (24). 7189. doi:10.3390/s20247189 ISSN 1424-8220.
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WRAP-experimental-study-guided-wave-directivity-patterns-thin-removable-magnetostrictive-patches-Dixon-2020.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution 4.0. Download (6Mb) | Preview |
Official URL: http://dx.doi.org/10.3390/s20247189
Abstract
The characteristics of removable magnetostrictive thin patches are investigated for the generation of guided waves in plates. The directivity patterns of SH, S0 and A0 modes have been measured in a thin metallic plate for different combinations of static and dynamic magnetic field directions. This used different coil geometries such as racetrack and spiral coils to generate the dynamic magnetic field, as well as separate biasing static magnetic fields from permanent magnets. This arrangement generated signals via both Lorentz and magnetostrictive forces, and the resultant emitted guided waves were studied for different dynamic and static magnetic field directions and magnitudes. It is demonstrated that different guided wave modes can be produced by controlling these parameters.
| Item Type: | Journal Article | ||||||
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| Subjects: | Q Science > QC Physics | ||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering Faculty of Science, Engineering and Medicine > Science > Physics |
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| Library of Congress Subject Headings (LCSH): | Magnetostriction, Lamb waves | ||||||
| Journal or Publication Title: | Sensors | ||||||
| Publisher: | MDPI AG | ||||||
| ISSN: | 1424-8220 | ||||||
| Official Date: | 15 December 2020 | ||||||
| Dates: |
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| Volume: | 20 | ||||||
| Number: | 24 | ||||||
| Article Number: | 7189 | ||||||
| DOI: | 10.3390/s20247189 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||||
| Date of first compliant deposit: | 8 January 2021 | ||||||
| Date of first compliant Open Access: | 11 January 2021 | ||||||
| RIOXX Funder/Project Grant: |
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