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A nonlinear constitutive model of magneto-thermo-mechanical coupling for giant magnetostrictive materials
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10.1063/1.2338834
/content/aip/journal/jap/100/6/10.1063/1.2338834
http://aip.metastore.ingenta.com/content/aip/journal/jap/100/6/10.1063/1.2338834
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Experimental measurement of the magnetostrictive stain varies with the environment temperature curves under a specific applied magnetic field (from Ref. 9).

Image of FIG. 2.
FIG. 2.

Characteristic curves of magnetostrictive strain and magnetization vary with the applied magnetic field under different prestresses when . The theoretical predictions are compared with the experimental measurements (from Ref. 13) in (a) for characteristic curves of magnetostrictive strain versus applied magnetic field (Solid lines: experimental results; dashed lines: theoretical predictions); (b) theoretical predictions of characteristic curves of magnetization versus applied magnetic field.

Image of FIG. 3.
FIG. 3.

The theoretical predictions are compared to the experimental measurements (from Ref. 19) for the characteristic curves of magneto-thermo-mechanical coupling constitutive relations of the Terfenol-D rod under different environment temperatures when prestress is equal to zero (Solid lines: experimental results; dashed lines: theoretical predictions): (a) magnetization and (b) magnetostrictive strain.

Image of FIG. 4.
FIG. 4.

The experimental results (from Ref. 20) of variable resonant frequency of magnetostrictive material of in (a) are corresponding to the theoretical predictions of variable Young’s modulus of Terfenol–D rod in (b) when the environment temperature changes in the region of .

Image of FIG. 5.
FIG. 5.

The experimental results (from Ref. 20) of increment resonant frequency of magnetostrictive material of in (a) are corresponding to the theoretical predictions of increment Young’s modulus of Terfenol–D rod in (b), referenced to the quantities at , varying with temperature and applied magnetic field .

Image of FIG. 6.
FIG. 6.

The saturation magnetostrictive strain and magnetization of theoretical predictions change with the environment temperature of the Terfenol-D rod under different prestress. (a) The characteristic curves of saturation magnetostrictive strain versus temperature; (b) the characteristic curves of saturation magnetization versus temperature.

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/content/aip/journal/jap/100/6/10.1063/1.2338834
2006-09-26
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A nonlinear constitutive model of magneto-thermo-mechanical coupling for giant magnetostrictive materials
http://aip.metastore.ingenta.com/content/aip/journal/jap/100/6/10.1063/1.2338834
10.1063/1.2338834
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