A stress-dependent hysteresis model for PZT-based transducers

Brian L. Ball; Ralph C. Smith

doi:10.1117/12.539822

26 July 2004 A stress-dependent hysteresis model for PZT-based transducers

Brian L. Ball, Ralph C. Smith

Proceedings Volume 5383, Smart Structures and Materials 2004: Modeling, Signal Processing, and Control; (2004) https://doi.org/10.1117/12.539822
Event: Smart Structures and Materials, 2004, San Diego, CA, United States

Abstract

A ferroelastic switching model for single crystal piezoceramic compounds is developed. The model is based on a phenomenological Landau-Devonshire type thermodynamic theory for the materials. The model incorporates externally applied electric fields and compressive stress inputs to the crystals and models the 90° and 180° ferroelastic and ferroelectric switching induced by the inputs. Properties of the ferroelastic model are qualitatively similar to experimental PLZT data.

Citation Download Citation

Brian L. Ball and Ralph C. Smith "A stress-dependent hysteresis model for PZT-based transducers", Proc. SPIE 5383, Smart Structures and Materials 2004: Modeling, Signal Processing, and Control, (26 July 2004); https://doi.org/10.1117/12.539822

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