Improvement of Permeability and Magnetic Shielding Effect of Pure Iron Magnetic Shield Materials

FUJITA Koichiro; INOUE Tadashi; EMOTO Hideki

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Improvement of Permeability and Magnetic Shielding Effect of Pure Iron Magnetic Shield Materials

机译：纯铁磁屏蔽材料的磁导率和磁屏蔽效果的提高

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Increasing demand for pure iron magnetic shield materials with an excellent magnetic shielding effect is expected in the future. Therefore, the effect of trace impurity elements on the permeability of pure iron steel sheets for magnetic shield use was investigated, and it was found that Al and S contents on the level of several 10s ppm cause remarkable deterioration of permeability. The results of an evaluation of the magnetic shielding effect using a pure iron steel sheet in which permeability was improved by high purification and precipitate morphology control confirmed that this material has an excellent magnetic shielding effect more than 3 dB higher than that of steel sheets for general forming applications.

机译：期望将来对具有优异的磁屏蔽效果的纯铁磁屏蔽材料的需求增加。因此，研究了微量杂质元素对用于磁屏蔽的纯铁钢板的磁导率的影响，发现Al和S的含量为几10ppm的水平会引起磁导率的显着降低。使用纯铁钢板的磁屏蔽效果的评估结果表明，通过高净化和析出物形态控制提高了磁导率，该材料具有比一般钢板高3 dB以上的优异磁屏蔽效果。成型应用。

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来源
《JFE technical report》 |2005年第6期|p.24-28|共5页
作者
FUJITA Koichiro; INOUE Tadashi; EMOTO Hideki;
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作者单位

Senior Researcher Deputy Manager, Sheet Products Res. Dept, Steel Res. Lab., JFE Steel;

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正文语种 eng
中图分类工业技术;
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Improvement of Permeability and Magnetic Shielding Effect of Pure Iron Magnetic Shield Materials

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