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Modeling plastic deformation effect on magnetization in ferromagnetic materials

机译:模拟塑性变形对铁磁材料中磁化的影响

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摘要

Based on the Sablik-Landgraf model, an integrated model has been developed which provides a description of the effect of plastic deformation on magnetization. The modeling approach is to incorporate the effect of plastic deformation on the effective field and that on the model parameters. The effective field incorporates the contributions of residual stress, stress demagnetization term, and the plastic deformation. We also consider the effect of plastic deformation on the model parameters: pinning coefficient, the scaling constant and the interdomain coupling coefficient. The computed magnetization exhibits sharp change in the preliminary stage of plastic deformation, and then decreases slowly with the increase of plastic strain, in agreement with experimental results.
机译:基于Sablik-Landgraf模型,已经开发了一个集成模型,该模型提供了塑性变形对磁化强度的影响的描述。建模方法是考虑塑性变形对有效场和模型参数的影响。有效场包括残余应力,应力退磁项和塑性变形的贡献。我们还考虑了塑性变形对模型参数的影响:钉扎系数,缩放比例常数和域间耦合系数。计算的磁化强度在塑性变形的初期呈现出急剧的变化,然后随着塑性应变的增加而缓慢减小,与实验结果一致。

著录项

  • 来源
    《Journal of Applied Physics》 |2012年第6期|p.063909.1-063909.4|共4页
  • 作者单位

    School of Astronautics, Harbin Institute of Technology mailbox 137, Harbin 150001, China;

    School of Astronautics, Harbin Institute of Technology mailbox 137, Harbin 150001, China;

    School of Astronautics, Harbin Institute of Technology mailbox 137, Harbin 150001, China;

    School of Astronautics, Harbin Institute of Technology mailbox 137, Harbin 150001, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
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