SOFT MAGNETIC ALLOY THIN STRIP AND MAGNETIC COMPONENT

To provide a soft magnetic alloy thin strip that is high in corrosion resistance and good in magnetic property.SOLUTION: Provided is a soft magnetic alloy thin strip that contains Fe and M. M is at least one selected from the group consisting of Nb, Ta, W, Zr, Hf, Mo, Cr and Ti, and a part of M form...

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Main Authors MATSUMOTO HIROYUKI, YOSHITOME KAZUHIRO, NAKAHATA ISAO, TSUKAHARA TAKUYA
Format Patent
LanguageEnglish
Japanese
Published 27.05.2021
Subjects
ALLOYS
BASIC ELECTRIC ELEMENTS
CHEMISTRY
ELECTRICITY
FERROUS OR NON-FERROUS ALLOYS
INDUCTANCES
MAGNETS
METALLURGY
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:To provide a soft magnetic alloy thin strip that is high in corrosion resistance and good in magnetic property.SOLUTION: Provided is a soft magnetic alloy thin strip that contains Fe and M. M is at least one selected from the group consisting of Nb, Ta, W, Zr, Hf, Mo, Cr and Ti, and a part of M forms an oxide. When the concentration distribution of the elements contained in the soft magnetic alloy thin strip is measured from the surface of the soft magnetic alloy thin strip toward the inside in the thickness direction, the maximum point of the concentration of M forming at least one oxide is present in the region within 20 nm from the surface.SELECTED DRAWING: Figure 1 【課題】耐食性が高く磁気特性が良好な軟磁性合金薄帯を提供する。【解決手段】ＦｅおよびＭを含む軟磁性合金薄帯である。ＭはＮｂ，Ｔａ，Ｗ，Ｚｒ，Ｈｆ，Ｍｏ，ＣｒおよびＴｉからなる群から選択される少なくとも１種であってＭの一部は酸化物を形成している。軟磁性合金薄帯の表面から厚み方向の内部に向かって軟磁性合金薄帯に含まれる元素の濃度分布を測定した場合に、少なくとも１種の酸化物を形成しているＭの濃度の極大点が前記表面から２０ｎｍ以内の領域に存在する。【選択図】図１
Bibliography:Application Number: JP20190211335