The Hysteresis Model of Terfenol-D with Magneto-Stress Coupling


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The output of Terfenol-D is nonlinear and hysteretic under the effect of magnetic field and prestress. The nonlinear constitutive relation between magnetostriction and magnetization with magneto-stress coupling was built in consideration of the magnetostriction saturation and the prestress correlation. Then, the hysteresis behavior of Terfenol-D was modeled based on the Jiles-Atherton model. The error of magnetostriction between simulations and experimental data is less than 6%. This result indicates that the model can adequately predict the nonlinear hysteresis and magneto-stress coupling character of Terfenol-D.



Edited by:

Dongye Sun, Wen-Pei Sung and Ran Chen






A. H. Meng et al., "The Hysteresis Model of Terfenol-D with Magneto-Stress Coupling", Applied Mechanics and Materials, Vols. 121-126, pp. 4820-4825, 2012

Online since:

October 2011




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