Path-dependent deformation behaviors of Tb0.3Dy0.7Fe1.95 alloy subjected to magnetomechanical loading
Path-dependent deformation behaviors of Tb0.3Dy0.7Fe1.95 alloy subjected to magnetomechanical loading
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DOI：
10.1016/j.matlet.2007.08.071
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发表时间：
2008-03
影响因子：
3
通讯作者：
Y. Pei;D. Fang
中科院分区：
文献类型：
--
作者：
Y. Pei;D. Fang
详细研究了<110>取向多晶合金Tb0.3Dy0.7Fe1.95在两种类型的磁力载荷下的路径相关变形行为：i）轴向压应力σ和轴向磁场H和ii）轴向压应力σ和横向磁场H⊥。在每个磁力空间中，采用不同的应力和磁场加载和卸载顺序。获得并比较了路径相关的结果，显示了应力和磁场对磁畴分布的不同影响，这也可以通过磁畴切换过程得到很好的解释。这种研究有利于理解磁畴切换过程，并有助于开发磁力载荷下的本构模型。
Path-dependent deformation behaviors has been studied in detail for <110> oriented polycrystalline alloy Tb0.3Dy0.7Fe1.95under two types of magnetomechanical loadings: i) axial compressive stress σǁand axial magnetic field Hǁand ii) axial compressive stress σǁand transversal magnetic field H⊥. In each magnetomechanical space, different loading and unloading sequences of stress and magnetic field are employed. The path-dependent results are obtained and compared to show different influences of the stress and the magnetic field on the domain distribution, which is also explained well by the domain switch process. Such investigation is beneficial to understanding the domain switch process and can serve to develop constitutive models under magnetomechanical loading.