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首页> 外文期刊>Journal of Applied Physics >Electronic origin of the negligible magnetostriction of an electric steel Fe_(1-x)Si_x alloy: A density-functional study
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Electronic origin of the negligible magnetostriction of an electric steel Fe_(1-x)Si_x alloy: A density-functional study

机译：Fe_（1-x）Si_x合金钢可忽略的磁致伸缩的电子起源：密度泛函研究

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摘要

To understand the negligible magnetostriction of Fe-Si alloys used as cores in electric transformers or motors, density-functional calculations were performed on the tetragonal magnetostriction coefficient, λ_(001), of Fe_(1-x)Si_x (x ≤ 0.25) alloys as a function of x using the highly precise all-electron full-potential linearized augmented plane-wave method. It was found that the calculated magnetostriction coefficients closely reproduced experimental trends and the negligible magnetostriction near x = 0.111 originated from the mixed phases of A2, B2, and DO_3; each different atomic type of Fe of Fe_(0.889)Si_(0.111) has a small and opposite contribution to the magnetostriction.
机译：为了了解在变压器或电动机中用作芯子的Fe-Si合金的磁致伸缩可忽略不计，对Fe_（1-x）Si_x（x≤0.25）合金的四方磁致伸缩系数λ_（001）进行了密度泛函计算使用高度精确的全电子全势线性化增强平面波方法计算x的函数。发现计算出的磁致伸缩系数与实验趋势相吻合，x = 0.111附近的可忽略不计的磁致伸缩源于A2，B2和DO_3的混合相。 Fe_（0.889）Si_（0.111）的每个不同原子类型的Fe对磁致伸缩的贡献都较小且相反。

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  • 来源
    《Journal of Applied Physics》 |2012年第6期|p.063911.1-063911.7|共7页
  • 作者

    Dorj Odkhuu; Won Seok Yun; Soon Cheol Hong;

  • 作者单位

    Department of Physics and Energy Harvest-Storage Research Center, University of Ulsan, Ulsan 680-749,South Korea;

    Department of Physics and Energy Harvest-Storage Research Center, University of Ulsan, Ulsan 680-749,South Korea;

    Department of Physics and Energy Harvest-Storage Research Center, University of Ulsan, Ulsan 680-749,South Korea;

  • 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);
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  • 正文语种 eng
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