Micromechanical model of nonlinear relaxor ferroelectric phase transformation

Kyle G. Webber; Christopher S. Lynch

doi:10.1117/12.778193

2 April 2008 Micromechanical model of nonlinear relaxor ferroelectric phase transformation

Proceedings Volume 6929, Behavior and Mechanics of Multifunctional and Composite Materials 2008; 69290F (2008) https://doi.org/10.1117/12.778193
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2008, San Diego, California, United States

Abstract

Some relaxor ferroelectric single crystals undergo a diffuse phase transformation while others undergo a step like transformation when driven by either stress or electric field. In this work the distributed transformation is modeled as a sequence of distributed transformations associated with compositional fluctuations typical or relaxor ferroelectrics. The distribution function is taken to be Gaussian. The results are in good agreement with observations of the response of <011> cut PMN-0.32PT single crystals.

Citation Download Citation

Kyle G. Webber and Christopher S. Lynch "Micromechanical model of nonlinear relaxor ferroelectric phase transformation", Proc. SPIE 6929, Behavior and Mechanics of Multifunctional and Composite Materials 2008, 69290F (2 April 2008); https://doi.org/10.1117/12.778193

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