Geometrical nonlinear deformation model and its
experimental study on bimorph giant magnetostrictive thin film

doi:10.1007/s11465-008-0048-8

Frontiers of Mechanical Engineering in China - Selected Publications from Chinese Universities

2008, Vol. 3

Issue (3): 313-317 https://doi.org/10.1007/s11465-008-0048-8

本期目录

Geometrical nonlinear deformation model and its experimental study on bimorph giant magnetostrictive thin film

LIU Wei, JIA Zhenyuan, WANG Fuji, ZHANG Yongshun, GUO Dongming

School of Mechanical Engineering, Key Laboratory for Precision and Non-traditional Machining Technology of the Ministry of Education, Dalian University of Technology

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Abstract：The geometrical nonlinearity of a giant magnetostrictive thin film (GMF) can be clearly detected under the magnetostriction effect. Thus, using geometrical linear elastic theory to describe the strain, stress, and constitutive relationship of GMF is inaccurate. According to nonlinear elastic theory, a nonlinear deformation model of the bimorph GMF is established based on assumptions that the magnetostriction effect is equivalent to the effect of body force loaded on the GMF. With Taylor series method, the numerical solution is deduced. Experiments on TbDyFe/Polyimide (PI)/SmFe and TbDyFe/Cu/SmFe are then conducted to verify the proposed model, respectively. Results indicate that the nonlinear deflection curve model is in good conformity with the experimental data.

出版日期: 2008-09-05

引用本文:

. Geometrical nonlinear deformation model and its experimental study on bimorph giant magnetostrictive thin film[J]. Frontiers of Mechanical Engineering in China - Selected Publications from Chinese Universities, 2008, 3(3): 313-317.
LIU Wei, JIA Zhenyuan, WANG Fuji, ZHANG Yongshun, GUO Dongming. Geometrical nonlinear deformation model and its experimental study on bimorph giant magnetostrictive thin film. Front. Mech. Eng., 2008, 3(3): 313-317.

链接本文:

https://academic.hep.com.cn/fme/CN/10.1007/s11465-008-0048-8
https://academic.hep.com.cn/fme/CN/Y2008/V3/I3/313

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