Piezoelectric tubes and 1-3-type tubular composites as tunable actuators and sensors

Qiming Zhang, H. Wang, Leslie E. Cross

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    8 Scopus citations


    Piezoelectric actuators and sensors made of tubular structure can provide a great agility of the effective response in the radial direction. For a radially poled piezoelectric tube, the effective piezoelectric constant in that direction can be tuned to be positive, zero, and negative by varying the ratio of the outer radius (R0) to the inner radius (r0) of the tube. For a suitable ratio of R0/r0, this effective constant can also be changed in sign or set to zero by adjusting the dc bias field level for tubes made of electrostrictive materials. Therefore, one can make a piezoelectric transducer with all the effective piezoelectric tensile constants having the same sign. The end capped thin wall tubes also exhibit exceptionally high hydrostatic response and the small size of the tubular structure makes it very suitable for integration into 1 - 3 composite which possesses low acoustic impedance and high hydrostatic response.

    Original languageEnglish (US)
    Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
    PublisherPubl by Society of Photo-Optical Instrumentation Engineers
    Number of pages11
    ISBN (Print)0819411493
    StatePublished - Jan 1 1993
    EventSmart Structures and Materials 1993: Smart Materials - Albuquerque, NM, USA
    Duration: Feb 1 1993Feb 4 1993


    OtherSmart Structures and Materials 1993: Smart Materials
    CityAlbuquerque, NM, USA

    All Science Journal Classification (ASJC) codes

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics
    • Computer Science Applications
    • Applied Mathematics
    • Electrical and Electronic Engineering


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