Impact of magnetostriction mechanism on frequency manipulation ultrasonic steering in electromagnetic acoustic transducers
Abstract In this paper, the impact of the magnetostriction mechanism is considered as the focus. An axisymmetric FEM model of the spiral‐coil electromagnetic acoustic transducers (EMAT) is established to conduct the simulation. The simulation results demonstrate that the directivity of ultrasonic wa...
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| Format: | Article |
| Language: | English |
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Wiley
2024-01-01
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| Series: | Electronics Letters |
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| Online Access: | https://doi.org/10.1049/ell2.12987 |
| _version_ | 1797359352048254976 |
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| author | Yong Li |
| author_facet | Yong Li |
| author_sort | Yong Li |
| collection | DOAJ |
| description | Abstract In this paper, the impact of the magnetostriction mechanism is considered as the focus. An axisymmetric FEM model of the spiral‐coil electromagnetic acoustic transducers (EMAT) is established to conduct the simulation. The simulation results demonstrate that the directivity of ultrasonic wave can be controlled by manipulating the frequency. Furthermore, it is found that the direction of the dominant Lorentz force in the rail varies with time, while the magnetostrictive force compels the ultrasonic wave generated by the Lorentz force towards the axis. It effectively illustrates that the combined power of two mechanisms surpasses that of the Lorentz‐force mechanism alone, particularly at low frequencies. |
| first_indexed | 2024-03-08T15:16:20Z |
| format | Article |
| id | doaj.art-84e4413702e94d10b1196ccf86804cf3 |
| institution | Directory Open Access Journal |
| issn | 0013-5194 1350-911X |
| language | English |
| last_indexed | 2024-03-08T15:16:20Z |
| publishDate | 2024-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Electronics Letters |
| spelling | doaj.art-84e4413702e94d10b1196ccf86804cf32024-01-10T11:00:33ZengWileyElectronics Letters0013-51941350-911X2024-01-01601n/an/a10.1049/ell2.12987Impact of magnetostriction mechanism on frequency manipulation ultrasonic steering in electromagnetic acoustic transducersYong Li0Public Security Department Fujian Police College Fuzhou Fujian ChinaAbstract In this paper, the impact of the magnetostriction mechanism is considered as the focus. An axisymmetric FEM model of the spiral‐coil electromagnetic acoustic transducers (EMAT) is established to conduct the simulation. The simulation results demonstrate that the directivity of ultrasonic wave can be controlled by manipulating the frequency. Furthermore, it is found that the direction of the dominant Lorentz force in the rail varies with time, while the magnetostrictive force compels the ultrasonic wave generated by the Lorentz force towards the axis. It effectively illustrates that the combined power of two mechanisms surpasses that of the Lorentz‐force mechanism alone, particularly at low frequencies.https://doi.org/10.1049/ell2.12987acoustic fieldacoustic transducerselectromagnetic inductionnon‐destructive testing |
| spellingShingle | Yong Li Impact of magnetostriction mechanism on frequency manipulation ultrasonic steering in electromagnetic acoustic transducers Electronics Letters acoustic field acoustic transducers electromagnetic induction non‐destructive testing |
| title | Impact of magnetostriction mechanism on frequency manipulation ultrasonic steering in electromagnetic acoustic transducers |
| title_full | Impact of magnetostriction mechanism on frequency manipulation ultrasonic steering in electromagnetic acoustic transducers |
| title_fullStr | Impact of magnetostriction mechanism on frequency manipulation ultrasonic steering in electromagnetic acoustic transducers |
| title_full_unstemmed | Impact of magnetostriction mechanism on frequency manipulation ultrasonic steering in electromagnetic acoustic transducers |
| title_short | Impact of magnetostriction mechanism on frequency manipulation ultrasonic steering in electromagnetic acoustic transducers |
| title_sort | impact of magnetostriction mechanism on frequency manipulation ultrasonic steering in electromagnetic acoustic transducers |
| topic | acoustic field acoustic transducers electromagnetic induction non‐destructive testing |
| url | https://doi.org/10.1049/ell2.12987 |
| work_keys_str_mv | AT yongli impactofmagnetostrictionmechanismonfrequencymanipulationultrasonicsteeringinelectromagneticacoustictransducers |