KR920702001A - 자 심 - Google Patents
자 심Info
- Publication number
- KR920702001A KR920702001A KR1019910701674A KR910701674A KR920702001A KR 920702001 A KR920702001 A KR 920702001A KR 1019910701674 A KR1019910701674 A KR 1019910701674A KR 910701674 A KR910701674 A KR 910701674A KR 920702001 A KR920702001 A KR 920702001A
- Authority
- KR
- South Korea
- Prior art keywords
- alloy
- magnetic core
- alloy ribbon
- core according
- ribbon
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/16—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of sheets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
- H01F1/15308—Amorphous metallic alloys, e.g. glassy metals based on Fe/Ni
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
- H01F1/15316—Amorphous metallic alloys, e.g. glassy metals based on Co
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
- H01F1/15341—Preparation processes therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/04—Cores, Yokes, or armatures made from strips or ribbons
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Soft Magnetic Materials (AREA)
- Coils Or Transformers For Communication (AREA)
- Continuous Casting (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도 및 제2도는 본 발명에서의 합금박대의 표면상태를 나타내는 주사 전자현미경사진, 제3도는 합금박대표면에 형성된 오목부의 면적점유율과 각형비와의 관계를 나타내는 그래프, 제4도는 표면거칠기와 각형비와의 관계를 나타내는 그래프, 제5도는 합금박대의 판두께와 철손실과의 관계를 나타내는 그래프이다.
Claims (16)
- 합금박대를 말거나 적층하여 이루어지는 자심으로서 상기 합금 박대의 표면에 형성된 오목부의 면적점유율이 30%이하인 표면거칠기를 갖는 합금박대로형성되는 것을 특징으로 하는 자심.
- 제1항에 있어서, 상기 합금박대가 Co가 비결정질합금박대인 것을 특징으로 하는 자심.
- 제2항에 있어서, 상기 합금박대가 퀴리온도 160∼300℃의 Co기 비결정질합금으로 이루어지는 것을 특징으로 하는 자심.
- 제1항에 있어서, 각형비가 주파수 50KHz에서 98%이상인 것을 특징으로 하는 자심.
- 제1항에 있어서, 합금용탕을 노즐로부터 냉각롤 표면으로 사출하고 급냉시킴으로써 합금박대를 제조함에 있어, 상기 냉각롤과 접하지 않은 쪽의 합금박대표면의 표면거칠기가 해당 합금박대의 길이방향에 있어서,Rf≤0.3(단, Rf는 JIS-B-0601로 규정된 기준길이 2.5mm에서 십회측정하여 구한 표면거칠기의 평균값 및 합금박대의 중량으로 구한 평균 판두께를 각각 Rz,T라고 했을 때, 아래식Rf = Rz/T으로 구하는 거칠기를 특징지우는 파라미터이다.)가 되는 값을 갖는 합금박대로 자심을 형성하는 것을 특징으로 하는 자심.
- 제5항에 있어서, 상기 합금박대가 Co기 비결정질합금박대인 것을 특징으로 하는 자심.
- 제5항에 있어서, 상기 합금박대가 퀴리온도 160∼300℃의 Co기 비결정질합금으로 이루어지는 것을 특징으로 하는 자심.
- 제5항에 있어서, 각형비가 주파수 50KHz에서 98%이상인 것을 특징으로하는 자심.
- 제1항 또는 제5항에 있어서, 상기 합금박대가 아래의 일반식으로 나타나는 합금조성을 갖춘 Co기 비결정질합금박대로 이루어지는 것을 특징으로 하는 자심.(Coℓ-aFea)100-x(Siℓ-ℓBℓ)x(단, 0.02≤a≤0.08 0.3≤ℓ≤0.8 26≤X≤32)
- 제1항 또는 제5항에 있어서, 상기 합금박대가 아래의 일반식으로 나타나는 합금조성을 갖춘 Co기 비결정 질합금박대로 이루어지는 것을 특징으로 하는 자심.(Coℓ-b-cFebMb)100-y(Siℓ-mBm)y(단, M은 Ni, Mn중 적어도 1종이며, b≤0.10 0.01≤e≤0.10 0.3≤m≤0.8 26≤y≤32)
- 제1항 또는 제5항에 있어서, 상기 합금박대가 아래의 일반식으로 나타나는 합금조성을 갖춘 Co기 비결정 질합금박대로 이루어지는 것을 특징으로 하는 자심.(Coℓ-d-eFebM′b)100-x(Siℓ-nBn)x(단, M′은 Ti, V, Cr, Cu, Zr, Nb, No, Hf, Ta, W로 이루어지는 군에서 택해진 적어도 1종이며, 0.03≤d≤0.10 0.01≤e≤0.06 0.3≤n≤0.8 24≤z≤32)
- 제1항 또는 제5항에 있어서, 상기 합금박대가 아래의 일반식으로 나타나는 합금조성을 갖춘 Co기 비결정 질합금박대로 이루어지는 것을 특징으로 하는 자심.(Coℓ-f-g-hFefMgM′h)100-w(Siℓ-pBp)w(단, M′는 Ni, Mn중 적어도 1종이며, f≤0.10 0.01≤g≤0.10 0.01≤h≤0.08 0.3≤p≤0.5 24≤w≤30)
- 제1항 또는 제5항에 있어서, 상기 합금박대가 아래의 일반식으로 나타나는 합금조성을 갖춘 Co기 비결정 질합금박대로 이루어지는 것을 특징으로 하는 자심.Fe100-e-f-g-h-i-j EeGfJgSihBiZj(식중에서 E는 Cu 및 Au 중에서 택해진 적어도 1종의 원소를 나타내고, G는 IVa족 원소, Va족 원소, VIa족 원소 및 희토류원소로 이루어지는 군에서 택해진 적어도 1종의 원소를, J는 Mn, Aℓ, Ga, In, Sn 및 백금족원소로 이루어지는 군에서 택해진 적어도 1종의 원소를, Z는 C, N 및 P로 이루어진 군에서 택해진 적어도 22의원소를 나타내며, e,f,g,h,i,및 j는 아래의 식을 만족시키는 수이다. 단, 아래식의식 모든 숫자는 원자 %를 나타낸다.0.1≤e≤8 0.1≤f≤10 0≤g≤10 12≤h≤25 3≤i≤12 0≤j≤10 15≤h+i+j≤30)
- 냉각롤과 접촉하는 쪽의 합금박대의 표면에 형성된 오목부의 면적점유율이 30%이하인 표면거칠기를 갖는 것을 특징으로 하는 합금박대.
- 제14항에 있어서, 냉각롤과 접촉하지 않는 쪽의 합금박대표면의 표면거칠기가 해당 합금박대의 길이 방향에서Rf≤0.3(단, Rf는 JIS-B0-601로 규정된 기준길이 2.5mm에서 십회 측정하여 구한 표면거칠기의 평균값 및 합금박대의 중량으로 구한 평균 판두께를 각각 Rz,T라고 했을때, 아래식Rf=Rz/T에 의해 구하는 거칠기를 특징지우는 파라미터이다.)가 되는 값을 갖는 것을 특징으로 하는 합금박대.
- 제13항에 있어서, 각형비가 주파수 100KHz에서 96%이상인 것을 특징으로 하는 자심.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970706039A KR0148230B1 (ko) | 1990-03-27 | 1990-03-27 | 스위칭전원 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1990/000407 WO1991015020A1 (en) | 1990-03-27 | 1990-03-27 | Magnetic core |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970706039 Division | 1997-08-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920702001A true KR920702001A (ko) | 1992-08-12 |
KR0134508B1 KR0134508B1 (ko) | 1998-04-27 |
Family
ID=13986446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910701674A KR0134508B1 (ko) | 1990-03-27 | 1990-03-27 | 자심 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0473782B1 (ko) |
KR (1) | KR0134508B1 (ko) |
DE (1) | DE69031338T2 (ko) |
WO (1) | WO1991015020A1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2333287C (en) * | 1998-05-13 | 2009-01-06 | Alliedsignal Inc. | High stack factor amorphous metal ribbon and transformer cores |
EP1045402B1 (en) | 1999-04-15 | 2011-08-31 | Hitachi Metals, Ltd. | Soft magnetic alloy strip, manufacturing method and use thereof |
GB2374084A (en) * | 2001-04-03 | 2002-10-09 | Fourwinds Group Inc | Alloys having bistable magnetic behaviour |
EP3693980A1 (en) * | 2014-06-10 | 2020-08-12 | Hitachi Metals, Ltd. | Fe-based nanocrystalline alloy core |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60121706A (ja) * | 1983-11-29 | 1985-06-29 | Hitachi Metals Ltd | 巻磁心 |
JPS6124208A (ja) * | 1984-07-12 | 1986-02-01 | Nippon Steel Corp | 良好な磁気特性を有する非晶質磁性材料 |
JPS62179704A (ja) * | 1986-02-04 | 1987-08-06 | Hitachi Metals Ltd | 制御磁化特性に優れたFe基アモルフアス磁心 |
US4859256A (en) * | 1986-02-24 | 1989-08-22 | Kabushiki Kaisha Toshiba | High permeability amorphous magnetic material |
JP2573606B2 (ja) * | 1987-06-02 | 1997-01-22 | 日立金属 株式会社 | 磁心およびその製造方法 |
JP2693453B2 (ja) * | 1987-09-28 | 1997-12-24 | 株式会社東芝 | 巻磁心 |
JPH01247556A (ja) * | 1988-03-30 | 1989-10-03 | Hitachi Metals Ltd | 恒透磁率性に優れたFe基磁性合金 |
JPS64249A (en) * | 1988-06-03 | 1989-01-05 | Toshiba Corp | Extra thin amorphous alloy combining high magnetic permeability with low iron loss |
-
1990
- 1990-03-27 KR KR1019910701674A patent/KR0134508B1/ko not_active IP Right Cessation
- 1990-03-27 WO PCT/JP1990/000407 patent/WO1991015020A1/ja active IP Right Grant
- 1990-03-27 EP EP90904934A patent/EP0473782B1/en not_active Expired - Lifetime
- 1990-03-27 DE DE69031338T patent/DE69031338T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0473782A1 (en) | 1992-03-11 |
WO1991015020A1 (en) | 1991-10-03 |
EP0473782A4 (en) | 1992-11-04 |
DE69031338D1 (de) | 1997-10-02 |
EP0473782B1 (en) | 1997-08-27 |
DE69031338T2 (de) | 1998-04-02 |
KR0134508B1 (ko) | 1998-04-27 |
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