New Method for Measuring Mechanical Vibration Loss and Dielectric Loss of Piezoelectric Transducer under High-Power Excitation
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概要
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In the Pb(Zr, Ti)O_3 group ceramics, the dielectric loss becomes larger than the mechanical vibration loss under high-power excitation. In this paper, a new advanced method for measuring these losses separately and simultaneously is described. The two-step differential circuit is utilized. By adjusting the differential circuits, the dielectric loss and the damped capacitance are obtained. The resonance circuit constants under high-power excitation are obtained after adjusting the differential circuit.
- 社団法人応用物理学会の論文
- 1994-05-30
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