SOFT MAGNETIC POWDER, GREEN COMPACT AND MAGNETIC COMPONENT

• Main Authors: HORINO KENJI, MATSUMOTO HIROYUKI, HOSONO MASAKAZU, YOSHITOME KAZUHIRO, MORI SATOKO, KAJIURA YOSHIKI
• Format: Patent
• Language: English; Japanese
• Published: 28.11.2019
• 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 powder having excellent soft magnetic properties and high powder resistance.SOLUTION: A soft magnetic powder contains a main component of the compositional formula (FeX1X2)MBPSiCS, X1 is at least one selected from the group consisting of Co and Ni, X2 is at least one selected from the group consisting of Al, Mn, Ag, Zn, Sn, As, Sb, Cu, Cr, Bi, N, and rare earth elements, M is at least one selected from the group consisting of Nb, Hf, Zr, Ta, Mo, W, Ti and V, with 0≤a≤0.140, 0.020<b≤0.200, 0<c≤0.150, 0≤d≤0.060, 0≤e≤0.030, 0≤f≤0.010, α≥0, β≥0, 0≤α+β≤0.50; an oxygen content in the soft magnetic powder being 300 ppm or more and 3000 ppm or less in mass ratio.SELECTED DRAWING: None 【課題】軟磁気特性に優れ、さらに、粉末抵抗の高い軟磁性粉末の提供。【解決手段】組成式（Ｆｅ（１−（α＋β））Ｘ１αＸ２β）（１−（ａ＋ｂ＋ｃ＋ｄ＋ｅ＋ｆ））ＭａＢｂＰｃＳｉｄＣｅＳｆからなる主成分を含む軟磁性粉末であって、Ｘ１はＣｏおよびＮｉからなる群から選択される１種以上、Ｘ２はＡｌ，Ｍｎ，Ａｇ，Ｚｎ，Ｓｎ，Ａｓ，Ｓｂ，Ｃｕ，Ｃｒ，Ｂｉ，Ｎ，および希土類元素からなる群より選択される１種以上、ＭはＮｂ，Ｈｆ，Ｚｒ，Ｔａ，Ｍｏ，Ｗ，ＴｉおよびＶからなる群から選択される１種以上であり、０≦ａ≦０．１４０、０．０２０＜ｂ≦０．２００、０＜ｃ≦０．１５０、０≦ｄ≦０．０６０、０≦ｅ≦０．０３０、０≦ｆ≦０．０１０、α≧０、β≧０、０≦α＋β≦０．５０であり、軟磁性粉末における酸素含有率が質量比で３００ｐｐｍ以上３０００ｐｐｍ以下である軟磁性粉末。【選択図】なし