Nonlinear bending response of Terfenol-D/PZT laminated devices under electromagnetic fields

Kotaro Mori; Fumio Narita; Yasuhide Shindo

doi:10.1117/12.846400

30 March 2010 Nonlinear bending response of Terfenol-D/PZT laminated devices under electromagnetic fields

Kotaro Mori, Fumio Narita, Yasuhide Shindo

Proceedings Volume 7644, Behavior and Mechanics of Multifunctional Materials and Composites 2010; 764424 (2010) https://doi.org/10.1117/12.846400
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2010, San Diego, California, United States

Abstract

This work presents the nonlinear bending response of magnetostrictive/piezoelectric laminated devices under electromagnetic fields both numerically and experimentally. The devices are fabricated using thin Terfenol-D and PZT layers. The magnetostriction of the Terfenol-D layer bonded to the PZT layer is measured, and a nonlinear finite element analysis is performed to evaluate the second-order magnetoelastic constants in Terfenol-D layer using measured data. The deflection, internal stresses and induced voltage/magnetic field for the laminated devices under magnetic/electric fields are then discussed in detail.

Citation Download Citation

Kotaro Mori, Fumio Narita, and Yasuhide Shindo "Nonlinear bending response of Terfenol-D/PZT laminated devices under electromagnetic fields", Proc. SPIE 7644, Behavior and Mechanics of Multifunctional Materials and Composites 2010, 764424 (30 March 2010); https://doi.org/10.1117/12.846400

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