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

Kotaro Mori; Fumio Narita; Yasuhide Shindo; Kotaro Mori; Fumio Narita; Yasuhide Shindo

doi:10.3934/matersci.2015.4.401

AIMS Materials Science

2015, Volume 2, Issue 4: 401-413. doi: 10.3934/matersci.2015.4.401

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Research article Topical Sections

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

Received: 23 July 2015 Accepted: 19 October 2015 Published: 26 October 2015

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.
- 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[J]. AIMS Materials Science, 2015, 2(4): 401-413. doi: 10.3934/matersci.2015.4.401

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Abstract

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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