Numerical and experimental analysis of unidirectional meander-line coil electromagnetic acoustic transducers

The elastic waves generated by traditional meander- line coil electromagnetic acoustic transducers (EMATs) propagate in two directions, overlapping the echo signals from defects with the same distances, and the defect echo signal is hard to distinguish from the edge-reflected signal when the EMATs a...

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Veröffentlicht in:	IEEE transactions on ultrasonics, ferroelectrics, and frequency control ferroelectrics, and frequency control, 2013-12, Vol.60 (12), p.2657-2664
Hauptverfasser:	Wang, Shujuan, Su, Riliang, Chen, Xiaoyang, Kang, Lei, Zhai, Guofu
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustics Coils Electromagnetics Finite element analysis Lorentz covariance Magnetic fields Magnetic flux density Mathematical model
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