SOFT MAGNETIC ALLOY AND MAGNETIC COMPONENT

• Main Authors: HASEGAWA AKITO, MATSUMOTO HIROYUKI, YOSHITOME KAZUHIRO, KUMAOKA HIRONOBU
• Format: Patent
• Language: English; Japanese
• Published: 14.10.2022
• Subjects: ALLOYS; BASIC ELECTRIC ELEMENTS; CASTING; CHEMISTRY; ELECTRICITY; FERROUS OR NON-FERROUS ALLOYS; INDUCTANCES; MAGNETS; MAKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; METALLURGY; PERFORMING OPERATIONS; POWDER METALLURGY; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES; TRANSFORMERS; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS; WORKING METALLIC POWDER

To provide a soft magnetic alloy having high corrosion resistance and a magnetic component using the soft magnetic alloy.SOLUTION: A soft magnetic alloy includes an internal region 2 having a soft magnetic alloy composition containing Fe and P (phosphorus), and a P-enriched region 11a that exists closer to the surface than the internal region and has a higher P concentration than the internal region, and preferably, the P-enriched region is composed of elements common to the internal region, and the total content of elements common to the internal region in the P-enriched region is 50% or more in terms of substance amount ratio.SELECTED DRAWING: Figure 3A 【課題】高い耐食性を有する軟磁性合金、および、当該軟磁性合金を用いた磁性部品を提供する。【解決手段】ＦｅおよびＰ（リン）を含む軟磁性の合金組成を有する内部領域２と、内部領域よりも表面側に存在し、Ｐの濃度が内部領域よりも高いＰ濃化領域１１ａと、を有する軟磁性合金であって、好ましくは、Ｐ濃化領域は、内部領域と共通する元素で構成してあり、Ｐ濃化領域における内部領域と共通する元素の合計含有量が、物質量比換算で、５０％以上である。【選択図】図３Ａ