2011
DOI: 10.1063/1.3540416
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A multidomain modeling of the magnetoelastic behavior for nondestructive evaluation

Abstract: Magnetic methods are widely used for the nondestructive evaluation of magnetic materials. Evaluation of the state of the material being measured requires accurate modeling of the behavior of the material associated to a low computation time. A two-scale reversible modeling for isotropic polycrystals is proposed. Magnetization and magnetostriction behaviors under uniaxial stress are simulated.

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Cited by 10 publications
(9 citation statements)
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“…This Villari effect (so-called Villari reversal ) is well documented especially for pure iron and various steels [6,7,8,36,37]. Its modeling is generally possible when crystalline anisotropy and magnetization rotation are taken into account [38,39,37,26]. For stresses greater than 20 MPa, the sensitivity of the magnetization to stress is negative whatever the magnetic field level, including zero magnetic field as shown in figure 3b.…”
Section: Experimental Procedures and Materialsmentioning
confidence: 99%
“…This Villari effect (so-called Villari reversal ) is well documented especially for pure iron and various steels [6,7,8,36,37]. Its modeling is generally possible when crystalline anisotropy and magnetization rotation are taken into account [38,39,37,26]. For stresses greater than 20 MPa, the sensitivity of the magnetization to stress is negative whatever the magnetic field level, including zero magnetic field as shown in figure 3b.…”
Section: Experimental Procedures and Materialsmentioning
confidence: 99%
“…A. Multidomain modeling -single phased material [8] The multidomain modeling is a two-scales reversible modeling allowing the prediction of the magneto-mechanical behavior of isotropic polycrystals. A six magnetic domains configuration is considered associated to the six easy axes of cubic symmetry for materials that exhibit a positive magnetocrystalline constant (figure 2a).…”
Section: Magnetic Modelingmentioning
confidence: 99%
“…A s is an adjusting parameter proportional to the initial susceptibility χ 0 of the magnetization curve. We get [8]:…”
Section: Magnetic Modelingmentioning
confidence: 99%
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