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Magnetostriction graph of .
Cross sectional view of the magnetostrictive transducer.
Frequency vs impedance graph of the magnetostrictive transducer.
Schematic diagram of experimental setup for through transmission technique.
(a) Signal from the concrete block with the magnetostrictive transducer as the transmitter and PZT as the receiver. (b) Signal from the concrete block with the PZT as the transmitter and another PZT as the receiver.
Schematic diagram showing the ultrasonic pitch-catch technique.
Signals obtained in pitch-catch mode. (a) Without defect (b) with defect.
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