Design considerations for a PVDF acoustic transducer

Bin Wu; Qingfeng Wang; Jingpin Jiao; Cunfu He

doi:10.1117/12.717783

28 October 2006 Design considerations for a PVDF acoustic transducer

Bin Wu, Qingfeng Wang, Jingpin Jiao, Cunfu He

Proceedings Volume 6358, Sixth International Symposium on Instrumentation and Control Technology: Sensors, Automatic Measurement, Control, and Computer Simulation; 63580Z (2006) https://doi.org/10.1117/12.717783
Event: Sixth International Symposium on Instrumentation and Control Technology, 2006, Beijing, China

Abstract

Much work has been published on the design of transducers using piezoelectric polymers, but a great of this work is theoretical modeling and derivations, and the proposed design methods can't be available easily. The purpose of the paper is review and applies several important considerations for the design of polyvinylidene fluoride (PVDF) acoustic emission transducer: transducer construction, active element selection, backing material design, matching layer design, and preamplifier design. Besides reviewing these design considerations, this paper also present that a PVDF acoustic emission transducer has been fabricated. To achieve the transducer's characteristic parameter, the transducer has been calibrated using a precise impedance analyzer; by which the admittance conductance parameters of the acoustic transducer have been obtained. Pencil lead break tests also have been conducted on the transducer, and the test results certified that the transducer can detect acoustic emission events.

Citation Download Citation

Bin Wu, Qingfeng Wang, Jingpin Jiao, and Cunfu He "Design considerations for a PVDF acoustic transducer", Proc. SPIE 6358, Sixth International Symposium on Instrumentation and Control Technology: Sensors, Automatic Measurement, Control, and Computer Simulation, 63580Z (28 October 2006); https://doi.org/10.1117/12.717783

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