Multiaxial response of hard and soft ferroelectrics under stress and electric field

John E. Huber; Jay Shieh; Norman A. Fleck

doi:10.1117/12.474968

11 July 2002 Multiaxial response of hard and soft ferroelectrics under stress and electric field

John E. Huber, Jay Shieh, Norman A. Fleck

Proceedings Volume 4699, Smart Structures and Materials 2002: Active Materials: Behavior and Mechanics; (2002) https://doi.org/10.1117/12.474968
Event: SPIE's 9th Annual International Symposium on Smart Structures and Materials, 2002, San Diego, California, United States

Abstract

Samples of soft PZT-5H, hard PZT-4D and Barium Titanate were subjected to multi-axial loading in stress and electric field space. The loading paths were: (1) Poling with electric field, followed by repolarizing with electric field at an angle to the original poling direction. (2) Proportional loading with electric field and coaxial compressive stress, the proportions of stress and electric field being varied between tests. In case (1) the poled material was cut to produce faces angled to the original poling direction. The measured material responses are reported and initial switching surfaces are calculated based on an offset from linear response in electric displacement. The measurements are used to assess the features required in micromechanical or phenomenological models of switching.

Citation Download Citation

John E. Huber, Jay Shieh, and Norman A. Fleck "Multiaxial response of hard and soft ferroelectrics under stress and electric field", Proc. SPIE 4699, Smart Structures and Materials 2002: Active Materials: Behavior and Mechanics, (11 July 2002); https://doi.org/10.1117/12.474968

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