铁磁材料的本构关系

which is benefit to the understanding of mechanisms of nonlinear and hysteresis deformationof ferromagnetic materials, to knowing how to improve magnetomechanical properties offerromagnetic materials, and to enhancing the reliability of ferromagnetic smart devices.which is benefit to the understanding of mechanisms of nonlinear and hysteresis deformation.of ferromagnetic materials, to knowing how to improve magnetomechanical properties of.ferromagnetic materials, and to enhancing the reliability of ferromagnetic smartdevices.

对典型的铁磁材料，以磁畴为内结构基元，研究电磁一机械耦合载荷下的变形与畴变的非线性行为和机理。将磁弹性以及铁磁性和实验观察相结合来研究磁畴结构、加载条件、磁极化和压磁系数对非线性变形的影响。测定磁致伸缩变形曲线和磁极化反转下的弛滞回线。建立含微结构参数的本构观系。成果将丰富力磁耦合场理论，并为磁性材料应用提供理论基础。