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This paper presents a new high-efficiency ME composite transducer consisting of magnetostrictive Terfenol-D arrays, piezoelectric PZT arrays and a substrate. Magnetostrictive resonant unidirectional transducer (MRUDT) array groups and a piezoelectric unidirectional transducer (PUDT) array group are created inside the transducer while propagating the unidirectionality required for low loss and converting...
The magnetoelectric (ME) effect of magnetostrictive Terfenol-D (Tb1-xDyxFe2-y) and piezoelectric Pb(Zr1-xTix)O3 plates bonded on a beryllium bronze substrate is reported. The substrate severs as frequency determining element and dominates the Q-factor of the oscillator. The device can be regard as a driven damped system. Its resonance occurs at multi-modes when the Terfenol-D plate oscillates at frequencies...
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