Piezoelectric ceramic assembly tubes for torsional actuators

C. Kim, A. E. Glazounov, F. D. Flippen, A. Pattnaik, Qiming Zhang, D. Lewis

    Research output: Contribution to journalConference article

    10 Citations (Scopus)

    Abstract

    The efforts described here are intended to provide a basis for the utilization of novel piezoelectric actuators in smart materials and structures. The actuator design developed in this study is a segmented, piezoelectric tube, with the individual segments driven in a d15 shear mode. The PZT-5A tubes were cut longitudinally into an even number of equal slender segments. These slender segments were poled individually along their length using a continuous poling technique developed at NRL. The polarization of the poled segments alternates in direction between adjacent segments. The segments were reassembled with a conductive epoxy so that it serves as both joint and electrode. The assembled actuator tubes were evaluated by applying electric field normal to the polarization direction of the segments, demonstrating proof of concept. These solid state prototype devices were driven to precise angular displacement and torque output. Reliability tests, including both fatigue and mechanical loading of the device, were conducted. In conjunction with this effort, numerical computation analyses were performed with respect to structural integrity versus segment joint thickness, and the relative effect of cylindrical versus polygonal configurations. These studies facilitated the successful production of prototypes. Projected actuator outputs based on electromechanical test results are also discussed in terms of requirements for noise and vibration control of helicopter rotor blades.

    Original languageEnglish (US)
    Pages (from-to)53-62
    Number of pages10
    JournalProceedings of SPIE - The International Society for Optical Engineering
    Volume3675
    StatePublished - Jan 1 1999
    EventProceedings of the 1999 Smart Structures and Materials on Smart Materials Technologies - Newport Beach, CA, USA
    Duration: Mar 3 1999Mar 4 1999

    Fingerprint

    Piezoelectric Ceramics
    Piezoelectric ceramics
    piezoelectric ceramics
    Actuator
    Tube
    Actuators
    assembly
    actuators
    tubes
    Polarization
    Solid state devices
    Helicopter rotors
    Intelligent structures
    Acoustic variables control
    Intelligent materials
    Piezoelectric actuators
    Vibration control
    Structural integrity
    Turbomachine blades
    Torque

    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

    Kim, C. ; Glazounov, A. E. ; Flippen, F. D. ; Pattnaik, A. ; Zhang, Qiming ; Lewis, D. / Piezoelectric ceramic assembly tubes for torsional actuators. In: Proceedings of SPIE - The International Society for Optical Engineering. 1999 ; Vol. 3675. pp. 53-62.
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    Piezoelectric ceramic assembly tubes for torsional actuators. / Kim, C.; Glazounov, A. E.; Flippen, F. D.; Pattnaik, A.; Zhang, Qiming; Lewis, D.

    In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 3675, 01.01.1999, p. 53-62.

    Research output: Contribution to journalConference article

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