KR890010946A - 철-코발트형 연성 자성재료 - Google Patents

철-코발트형 연성 자성재료 Download PDF

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Publication number
KR890010946A
KR890010946A KR1019880011750A KR880011750A KR890010946A KR 890010946 A KR890010946 A KR 890010946A KR 1019880011750 A KR1019880011750 A KR 1019880011750A KR 880011750 A KR880011750 A KR 880011750A KR 890010946 A KR890010946 A KR 890010946A
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South Korea
Prior art keywords
cobalt
iron
magnetic materials
weight
ductile magnetic
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KR1019880011750A
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English (en)
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KR920002260B1 (ko
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와다루 야마기시
쓰도무 이이가와
Original Assignee
야마모도 다꾸마
후지쓰 가부시끼가이샤
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Publication of KR890010946A publication Critical patent/KR890010946A/ko
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Publication of KR920002260B1 publication Critical patent/KR920002260B1/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
    • 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
    • H01F1/20—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 particles, e.g. powder
    • H01F1/22—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 particles, e.g. powder pressed, sintered, or bound together
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0433—Nickel- or cobalt-based alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • C22C33/0285—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5% with Cr, Co, or Ni having a minimum content higher than 5%
    • 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
    • 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
    • H01F1/20—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 particles, e.g. powder

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)

Abstract

내용 없음

Description

철-코발트형 연성 자성재료
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 실시예 1에서 Fe/Co=1(중량비)(즉, Fe-50% Co)의 함량을 갖는 철-코발트 합금에 0-4.0중량%의 A1을 첨가하여 분말 야금법으로 제조할때, A1함량과 4KA/m의 자계내에서 최대 자기 투자율(μm), 자화(B4K) 보자력(Hc)간의 상호관계를 나타내는 그라프,
제4도는 실시예 4에서 (50-½X)% Fe-(50½X)% Co-X% A1 또는 V재료에 함유된 알미늄 또는 바나듐의 함량(X)과 자화 (B4K)간의 상호 관계를 나타내는 그라프.

Claims (3)

  1. 주성분으로서 35-60중량%의 코발트, 0.03-2.0중량%의 알미늄, 나머지를 철로 구성하여, 분말 야금법으로 제조하여 되는 것이 특징인 철-코발트형 연성 자성재료.
  2. 제1항에서, 코발트 함량은 45-55중량%인 것이 특징인 철-코발트 연성 자성재료.
  3. 제1항에서, 알미늄 함량은 0.1-1.0중량%인 것이 특징인 철-코발트형 연성 자성재료.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880011750A 1987-12-28 1988-09-12 철-코발트계 연질자성재료 KR920002260B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP62330133A JPH0832949B2 (ja) 1987-12-28 1987-12-28 鉄―コバルト系軟質磁性材料の製造方法
JP330133 1987-12-28
JP62-330133 1987-12-28

Publications (2)

Publication Number Publication Date
KR890010946A true KR890010946A (ko) 1989-08-11
KR920002260B1 KR920002260B1 (ko) 1992-03-20

Family

ID=18229178

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880011750A KR920002260B1 (ko) 1987-12-28 1988-09-12 철-코발트계 연질자성재료

Country Status (6)

Country Link
US (1) US4925502A (ko)
EP (1) EP0323002B1 (ko)
JP (1) JPH0832949B2 (ko)
KR (1) KR920002260B1 (ko)
DE (1) DE3888149T2 (ko)
ES (1) ES2050158T3 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5287239A (en) * 1989-07-05 1994-02-15 Kabushiki Kaisha Toshiba Magnetic head using high saturated magnetic flux density film and manufacturing method thereof
US5032355A (en) * 1990-10-01 1991-07-16 Sumitomo Metal Mining Company Limited Method of manufacturing sintering product of Fe-Co alloy soft magnetic material
JP3400027B2 (ja) * 1993-07-13 2003-04-28 ティーディーケイ株式会社 鉄系軟磁性焼結体の製造方法およびその方法により得られた鉄系軟磁性焼結体
US5864071A (en) * 1997-04-24 1999-01-26 Keystone Powdered Metal Company Powder ferrous metal compositions containing aluminum
US6855240B2 (en) * 2000-08-09 2005-02-15 Hitachi Global Storage Technologies Netherlands B.V. CoFe alloy film and process of making same

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5110806B2 (ko) * 1972-04-26 1976-04-07
JPS5475410A (en) * 1977-11-29 1979-06-16 Fujitsu Ltd Manufacture of sintered, flexible magnetic material
JPS5559701A (en) * 1978-10-30 1980-05-06 Toshiba Corp Magnetic head
JPS59136457A (ja) * 1983-01-21 1984-08-06 Hitachi Metals Ltd 半硬質磁性合金
JPS6089548A (ja) * 1983-10-19 1985-05-20 Seiko Epson Corp 鉄−コバルト合金
NL8400140A (nl) * 1984-01-17 1985-08-16 Philips Nv Magneetkop.
JP2615543B2 (ja) * 1985-05-04 1997-05-28 大同特殊鋼株式会社 軟質磁性材料
JPS61291934A (ja) * 1985-05-18 1986-12-22 Fujitsu Ltd 鉄コバルト焼結合金の製法
JPS6254041A (ja) * 1985-09-02 1987-03-09 Fujitsu Ltd 鉄コバルト焼結合金の製法

Also Published As

Publication number Publication date
KR920002260B1 (ko) 1992-03-20
EP0323002A1 (en) 1989-07-05
US4925502A (en) 1990-05-15
ES2050158T3 (es) 1994-05-16
DE3888149T2 (de) 1994-06-01
JPH01172548A (ja) 1989-07-07
EP0323002B1 (en) 1994-03-02
DE3888149D1 (de) 1994-04-07
JPH0832949B2 (ja) 1996-03-29

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