Piezoelectric and electrostrictive polymeric actuator materials

Qiming Zhang, Z. Y. Cheng, Vivek Bharti, T. B. Xu, Haisheng Xu, T. Mai, S. J. Gross

    Research output: Contribution to journalConference article

    15 Citations (Scopus)

    Abstract

    Piezoelectric and electrostrictive polymers are widely used in many areas of electromechanical actuation and transduction. This paper summarizes the current status and recent works in this class of polymers. For the piezoelectric polymers, the electromechanical properties of poly(vinylidene fluoride-trifluoroethylene) copolymers (P(VDF-TrFE)), which possess the best piezoelectric performance among the known piezopolymers, are presented. In order to improve the strain capability and other electromechanical properties, the large electrostrictive response and high electromechanical conversion efficient near a first order ferroelectric-paraelectric transition of P(VDF-TrFE) copolymer were exploited. It is shown that the copolymer, treated with high energy electron irradiation, exhibits high electrostrictive strains (-5% longitudinal strain under 150 MV/m and 3.5% transverse strain under 110 MV/m) with high strain energy density, high load capability and improved electromechanical coupling factor. For the comparison, the works related to the Maxwell stress induced strain response in soft polymers are also discussed.

    Original languageEnglish (US)
    Pages (from-to)34-50
    Number of pages17
    JournalProceedings of SPIE - The International Society for Optical Engineering
    Volume3987
    StatePublished - Jan 1 2000
    EventSmart Structures and Materials 2000 - Electroactive Polymer Actuators and Devices (EAPAD) - Newport Beach, CA, USA
    Duration: Mar 6 2000Mar 8 2000

    Fingerprint

    Copolymer
    Actuator
    copolymers
    Actuators
    actuators
    Polymers
    Copolymers
    polymers
    vinylidene
    fluorides
    High Energy
    Electromechanical Coupling
    electron irradiation
    Strain Energy Density
    actuation
    Electromechanical coupling
    Electron irradiation
    high energy electrons
    Strain energy
    flux density

    All Science Journal Classification (ASJC) codes

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

    Cite this

    Zhang, Q., Cheng, Z. Y., Bharti, V., Xu, T. B., Xu, H., Mai, T., & Gross, S. J. (2000). Piezoelectric and electrostrictive polymeric actuator materials. Proceedings of SPIE - The International Society for Optical Engineering, 3987, 34-50.
    Zhang, Qiming ; Cheng, Z. Y. ; Bharti, Vivek ; Xu, T. B. ; Xu, Haisheng ; Mai, T. ; Gross, S. J. / Piezoelectric and electrostrictive polymeric actuator materials. In: Proceedings of SPIE - The International Society for Optical Engineering. 2000 ; Vol. 3987. pp. 34-50.
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    Piezoelectric and electrostrictive polymeric actuator materials. / Zhang, Qiming; Cheng, Z. Y.; Bharti, Vivek; Xu, T. B.; Xu, Haisheng; Mai, T.; Gross, S. J.

    In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 3987, 01.01.2000, p. 34-50.

    Research output: Contribution to journalConference article

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    AU - Mai, T.

    AU - Gross, S. J.

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    AB - Piezoelectric and electrostrictive polymers are widely used in many areas of electromechanical actuation and transduction. This paper summarizes the current status and recent works in this class of polymers. For the piezoelectric polymers, the electromechanical properties of poly(vinylidene fluoride-trifluoroethylene) copolymers (P(VDF-TrFE)), which possess the best piezoelectric performance among the known piezopolymers, are presented. In order to improve the strain capability and other electromechanical properties, the large electrostrictive response and high electromechanical conversion efficient near a first order ferroelectric-paraelectric transition of P(VDF-TrFE) copolymer were exploited. It is shown that the copolymer, treated with high energy electron irradiation, exhibits high electrostrictive strains (-5% longitudinal strain under 150 MV/m and 3.5% transverse strain under 110 MV/m) with high strain energy density, high load capability and improved electromechanical coupling factor. For the comparison, the works related to the Maxwell stress induced strain response in soft polymers are also discussed.

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