Fe-BASED ALLOY AND ELECTRONIC COMPONENT CONTAINING THE SAME

• Main Authors: RYU HAN WOOL, KWON SANG KYUN, MOON BEON CHEOL, SIM CHUL MIN
• Format: Patent
• Language: English; Japanese
• Published: 19.01.2023
• 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 an Fe-based alloy that has high saturation magnetic flux density due to the excellent amorphous nature of the parent phase, and has low loss, and to provide an electronic component using the same.SOLUTION: Provided is an Fe-based alloy that is represented by the composition of (Fe(1-a)M1a)100-b-c-d-e-f-gM2bM3cBdPeCufTig, in which M1 is at least one element selected from the group consisting of Co and Ni, M2 is at least one element selected from the group consisting of Nb, Mo, Zr, Ta, W, Hf, Ti, V, Cr and Mn, M3 is at least one element selected from the group consisting of Si, Al, Ga and Ge, and a, b, c, d, e, f and g satisfy the content condition of 0≤a≤0.5, 0<b≤1.5, 0<c≤4, 7≤d≤13, 0.1≤e≤5, 0.6≤f≤1.5, 0<g, and in which the half value width of the XRD main peak is 0.172 or more.SELECTED DRAWING: Figure 1 【課題】母相の非晶質性に優れて高い飽和磁束密度を有し、且つ損失が低いＦｅ系合金及びこれを用いた電子部品を提供する。【解決手段】（Ｆｅ（１－ａ）Ｍ１ａ）１００－ｂ－ｃ－ｄ－ｅ－ｆ－ｇＭ２ｂＭ３ｃＢｄＰｅＣｕｆＴｉｇの組成で表され、ここで、Ｍ１はＣｏ及びＮｉからなる群から選択される少なくとも１種の元素であり、Ｍ２はＮｂ、Ｍｏ、Ｚｒ、Ｔａ、Ｗ、Ｈｆ、Ｔｉ、Ｖ、Ｃｒ、及びＭｎからなる群から選択される少なくとも１種の元素であり、Ｍ３はＳｉ、Ａｌ、Ｇａ、及びＧｅからなる群から選択される少なくとも１種の元素で、且つａ、ｂ、ｃ、d、ｅ、f、ｇは、０≦ａ≦０．５、０＜ｂ≦１．５、０＜ｃ≦４、７≦ｄ≦１３、０．１≦ｅ≦５、０．６≦ｆ≦１．５、０＜ｇの含量条件を満たし、ＸＲＤ主ピークの半値幅が０．１７２以上であるＦｅ系合金を提供する。【選択図】図１