KR920702001A - 자 심 - Google Patents

자 심

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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
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KR
South Korea
Prior art keywords
alloy
magnetic core
alloy ribbon
core according
ribbon
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Application number
KR1019910701674A
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English (en)
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KR0134508B1 (ko
Inventor
유미에 와타나베
유미코 다카하시
다카오 사와
요시유키 야마우치
스스무 마츠시타
마사미 오카무라
Original Assignee
아오이 죠이치
가부시끼가이샤 도시바
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Priority to KR1019970706039A priority Critical patent/KR0148230B1/ko
Publication of KR920702001A publication Critical patent/KR920702001A/ko
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Publication of KR0134508B1 publication Critical patent/KR0134508B1/ko

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    • 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

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  • 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

자 심
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)

  1. 합금박대를 말거나 적층하여 이루어지는 자심으로서 상기 합금 박대의 표면에 형성된 오목부의 면적점유율이 30%이하인 표면거칠기를 갖는 합금박대로형성되는 것을 특징으로 하는 자심.
  2. 제1항에 있어서, 상기 합금박대가 Co가 비결정질합금박대인 것을 특징으로 하는 자심.
  3. 제2항에 있어서, 상기 합금박대가 퀴리온도 160∼300℃의 Co기 비결정질합금으로 이루어지는 것을 특징으로 하는 자심.
  4. 제1항에 있어서, 각형비가 주파수 50KHz에서 98%이상인 것을 특징으로 하는 자심.
  5. 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, 아래식
    Rf = Rz/T
    으로 구하는 거칠기를 특징지우는 파라미터이다.)
    가 되는 값을 갖는 합금박대로 자심을 형성하는 것을 특징으로 하는 자심.
  6. 제5항에 있어서, 상기 합금박대가 Co기 비결정질합금박대인 것을 특징으로 하는 자심.
  7. 제5항에 있어서, 상기 합금박대가 퀴리온도 160∼300℃의 Co기 비결정질합금으로 이루어지는 것을 특징으로 하는 자심.
  8. 제5항에 있어서, 각형비가 주파수 50KHz에서 98%이상인 것을 특징으로하는 자심.
  9. 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)
  10. 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)
  11. 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)
  12. 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)
  13. 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)
  14. 냉각롤과 접촉하는 쪽의 합금박대의 표면에 형성된 오목부의 면적점유율이 30%이하인 표면거칠기를 갖는 것을 특징으로 하는 합금박대.
  15. 제14항에 있어서, 냉각롤과 접촉하지 않는 쪽의 합금박대표면의 표면거칠기가 해당 합금박대의 길이 방향에서
    Rf≤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, 아래식
    Rf=Rz/T
    에 의해 구하는 거칠기를 특징지우는 파라미터이다.)
    가 되는 값을 갖는 것을 특징으로 하는 합금박대.
  16. 제13항에 있어서, 각형비가 주파수 100KHz에서 96%이상인 것을 특징으로 하는 자심.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910701674A 1990-03-27 1990-03-27 자심 KR0134508B1 (ko)

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

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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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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