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1974•The Journal of the Acoustical Society of AmericaOpen access

A Flexible Piezoelectric Material for Hydrophones and Other Dynamic Pressure Transducers

Lyle Pauer

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Abstract

A family of flexible piezoelectric materials has been developed and used successfully in several hydrophone designs as well as in other types of dynamic pressure transducers. Polar and frequency responses for the hydrophones are presented. Data from experiments to determine the change in receiving voltage sensitivity with hydrostatic pressure are given. Dielectric, piezoelectric, and mechanical constants of the material have been determined and are compared with piezolelectric materials in general use. Transducer applications other than hydrophones which take into account the unique properties of the material are explored.

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What this paper is about

A family of flexible piezoelectric materials has been developed and used successfully in several hydrophone designs as well as in other types of dynamic pressure transducers. Polar and frequency responses for the hydrophones are presented. Data from experiments to determine the change in receiving voltage sensitivity with hydrostatic pressure are given. Dielectric, piezoelectric, and mechanical constants of the material have been determined and are compared with piezolelectric materials in general use. Transducer applications other than hydrophones which take into account the unique properties of the material are explored.

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Available abstract

A family of flexible piezoelectric materials has been developed and used successfully in several hydrophone designs as well as in other types of dynamic pressure transducers. Polar and frequency responses for the hydrophones are presented. Data from experiments to determine the change in receiving voltage sensitivity with hydrostatic pressure are given. Dielectric, piezoelectric, and mechanical constants of the material have been determined and are compared with piezolelectric materials in general use. Transducer applications other than hydrophones which take into account the unique properties of the material are explored.

Key concepts: Piezoelectricity, Hydrophone, Acoustics, Transducer, Hydrostatic pressure, Materials science, Pressure sensor, Sensitivity (control systems)

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