Quantitative Analysis of 90° Closure Domains Occurring by Compressive Stress in Fe3%Si(110) Steels

Iwata K.; Ishiyama K.; Suzuki M.; Hashimoto M.; Ueda M.; Matuoka Y.; Yasue T.; Koshikawa T.; Kotsugi M.; Ohkochi T.; Kinoshita T.; Watanabe Y.

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Quantitative Analysis of 90° Closure Domains Occurring by Compressive Stress in Fe3%Si(110) Steels

机译：Fe3％Si（110）钢中由压缩应力产生的90°闭合区域的定量分析

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The 3-D structures of the 90° closure domains in demagnetized Fe3%Si(110) steels occurring by the compressive stress were quantitatively analyzed using domain theory. The dependence of the compressive stress and the thickness in the 90° closure domains were evaluated using the proposed closure domain model with the 90° domain width. It was revealed that the 90° closure domain width decreases with an increase in compressive stress and steeply increases with a decrease in compressive stress. Moreover, our calculations predict that the critical compressive stress for the occurrence of the closure domains increase with the decrease in specimen thickness. The results suggest that when the thickness becomes thinner, enhancement of local compressive stress may be needed to refine 180° basic domains along the rolling direction. The validity of the calculation was confirmed by comparison with the past data and our presented domain observations by photoemission electron microscopy combined with X-ray magnetic circular dichroism.

机译：使用磁畴理论定量分析了由压缩应力引起的去磁Fe3％Si（110）钢中90°闭合磁畴的3-D结构。使用建议的具有90°域宽度的闭合域模型，评估了90°闭合域中压应力和厚度的依赖性。结果表明，90°闭合区域的宽度随着压应力的增加而减小，而随着压应力的减小而急剧增大。此外，我们的计算预测，闭合区域出现的临界压缩应力会随着样品厚度的减小而增加。结果表明，当厚度变薄时，可能需要增强局部压应力以沿轧制方向细化180°基本区域。通过与过去的数据和我们提出的通过光发射电子显微镜结合X射线磁性圆二色性的领域观察结果进行比较，证实了计算的有效性。

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《Magnetics, IEEE Transactions on》 |2014年第11期|1-4|共4页
作者
Iwata K.; Ishiyama K.; Suzuki M.; Hashimoto M.; Ueda M.; Matuoka Y.; Yasue T.; Koshikawa T.; Kotsugi M.; Ohkochi T.; Kinoshita T.; Watanabe Y.;
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作者单位

Nippon Steel & Sumitomo Metal Corp., Chiba, Japan;

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正文语种 eng
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关键词
compressive strength; demagnetisation; internal stresses; magnetic circular dichroism; magnetic domains; photoelectron microscopy; steel; 3D structures; 90° closure domains; 90° domain width; X-ray magnetic circular dichroism; critical compressive stress; demagnetized Fe-Si(110) steels; domain theory; photoemission electron microscopy; quantitative analysis; Compressive stress; Lasers; Magnetic domains; Magnetostriction; Steel; Compressive stress; XMCD-PEEM; grain oriented steels; magnetic closure domains;

机译：抗压强度;退磁;内应力;圆形圆二色性;磁畴;光电子显微镜;钢;3D结构;90°闭合畴;90°畴宽;X射线磁性圆二色性;临界压缩应力;Fe-Si（110）消磁钢;畴理论;光发射电子显微镜;定量分析;压缩应力;激光;磁畴;磁致伸缩;钢;压应力;XMCD-PEEM;晶粒取向钢;磁封闭畴;

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Quantitative Analysis of 90° Closure Domains Occurring by Compressive Stress in Fe3%Si(110) Steels

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