Quantitative modeling of the transduction of electromagnetic acoustic transducers operating on ferromagnetic media

The noncontact nature of electromagnetic acoustic transducers (EMATs) offers a series of advantages over traditional piezoelectric transducers, but these features are counter-balanced by their relatively low signal-to-noise ratio and their strong dependence on material properties such as electric co...

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Veröffentlicht in:	IEEE transactions on ultrasonics, ferroelectrics, and frequency control ferroelectrics, and frequency control, 2010-12, Vol.57 (12), p.2808-2817
Hauptverfasser:	Ribichini, Remo, Cegla, Frederic, Nagy, Peter B, Cawley, Peter
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustics Amplitudes Bias Electrical conductivity Electromagnetic modeling Electromagnetism Exact sciences and technology Ferroelectric devices Finite element analysis Fundamental areas of phenomenology (including applications) Magnetic fields Magnetic flux Magnetic permeability Magnetostriction Mathematical analysis Mathematical model Mathematical models Numerical prediction Permeability Physics Studies Transducers Transduction acoustical devices for the generation and reproduction of sound
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