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Proceedings Paper

Nonlinear bending response of Terfenol-D/PZT laminated devices under electromagnetic fields
Author(s): Kotaro Mori; Fumio Narita; Yasuhide Shindo
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Paper 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.

Paper Details

Date Published: 30 March 2010
PDF: 8 pages
Proc. SPIE 7644, Behavior and Mechanics of Multifunctional Materials and Composites 2010, 764424 (30 March 2010); doi: 10.1117/12.846400
Show Author Affiliations
Kotaro Mori, Tohoku Univ. (Japan)
Fumio Narita, Tohoku Univ. (Japan)
Yasuhide Shindo, Tohoku Univ. (Japan)


Published in SPIE Proceedings Vol. 7644:
Behavior and Mechanics of Multifunctional Materials and Composites 2010
Zoubeida Ounaies; Jiangyu Li, Editor(s)

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