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Detection and response characteristics of clamped-free giant magnetostrictive/piezoelectric laminates under concentrated loading

1 Department of Mechanical Engineering, College of Engineering, Ibaraki University, Nakanarusawa-cho 4-12-1, Hitachi, Ibaraki 316-8511, Japan;
2 Department of Materials Processing, Graduate School of Engineering, Tohoku University, Aoba-yama 6-6-02, Sendai, Miyagi 980-8579, Japan

Topical Section: Responsive, Active and Smart materials

This work deals with the detection and response characteristics of clamped-free giant magne-tostrictive/piezoelectric laminates under concentrated loading both numerically and experimentally. The laminate is fabricated using thin magnetostrictive Terfenol-D and piezoelectric PZT layers. Three dimensional finite element analysis was carried out, and the electromagneto-mechanical fields in the two and three layered magnetostrictive/piezoelectric laminates were predicted by introducing a second-order magnetoelastic constant of Terfenol-D. The tip deflection, induced voltage and induced magnetic field were also measured, and comparison was made between simulation and experiment to verify the model.
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Keywords electromagneto-solid mechanics; finite element method; material testing; electronic laminates; smart materials and structures; bending

Citation: Kotaro Mori, Fumio Narita, Yasuhide Shindo. Detection and response characteristics of clamped-free giant magnetostrictive/piezoelectric laminates under concentrated loading. AIMS Materials Science, 2015, 2(4): 401-413. doi: 10.3934/matersci.2015.4.401


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Copyright Info: 2015, Kotaro Mori, et al., licensee AIMS Press. This is an open access article distributed under the terms of the Creative Commons Attribution Licese (http://creativecommons.org/licenses/by/4.0)

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