电气材料用磁性活性涂层

Yu. N. Dragoshanskii, V. Pudov
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引用次数: 0

摘要

展望了氮氧化物和磷酸镁电绝缘涂层在硅铁基磁软合金薄条上的应用前景。x射线衍射形貌、粉末形貌和磁性测量表明,涂层在材料中产生均匀分布的拉伸应力,增加了单轴磁各向异性,减小了横向磁化畴的体积和纵向磁化畴的宽度。这增加了磁导率,显著降低了矫顽力,以及涡流和总磁损失(减少了20 - 25%)。拉伸(磁活性)涂层增强了合金后续热磁处理的效果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Magnetically active coatings for electrical materials
The prospects of using nitride-oxide and magnesium phosphate electrical insulating coatings on thin strips of magnetically soft alloys based on silicon iron are considered. X-ray diffraction topography, powder figures, and magnetic measurements have shown that coatings create uniformly distributed tensile stresses in materials, increase uniaxial magnetic anisotropy, and reduce the volume of transversely magnetized domains and the width of longitudinally magnetized ones. This increases magnetic permeability and significantly decreases the coercive force, as well as eddy-current and total (by 20–25 %) magnetic losses. Tensile (magnetically active) coatings enhance the effect of subsequent thermomagnetic treatment of alloys.
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