EP0632471A3 - Dauermagnet aus Seltenerdmetall, Bor und Eisen. - Google Patents

Dauermagnet aus Seltenerdmetall, Bor und Eisen. Download PDF

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Publication number
EP0632471A3
EP0632471A3 EP94108868A EP94108868A EP0632471A3 EP 0632471 A3 EP0632471 A3 EP 0632471A3 EP 94108868 A EP94108868 A EP 94108868A EP 94108868 A EP94108868 A EP 94108868A EP 0632471 A3 EP0632471 A3 EP 0632471A3
Authority
EP
European Patent Office
Prior art keywords
boron
permanent magnet
rare earth
earth metal
iron
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP94108868A
Other languages
English (en)
French (fr)
Other versions
EP0632471A2 (de
EP0632471B1 (de
Inventor
Kazuhiko Yamamoto
Yuichi Miyake
Chikara Okada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Santoku Corp
Original Assignee
Santoku Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Santoku Corp filed Critical Santoku Corp
Publication of EP0632471A2 publication Critical patent/EP0632471A2/de
Publication of EP0632471A3 publication Critical patent/EP0632471A3/de
Application granted granted Critical
Publication of EP0632471B1 publication Critical patent/EP0632471B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • H01F1/032—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 hard-magnetic materials
    • H01F1/04—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 hard-magnetic materials metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
    • 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
    • H01F1/032—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 hard-magnetic materials
    • H01F1/04—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 hard-magnetic materials metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
    • H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
    • H01F1/0577—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together sintered

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
EP94108868A 1993-06-14 1994-06-09 Verfahren zur Herstellung eines Dauermagneten aus Seltenerdmetall, Bor und Eisen Expired - Lifetime EP0632471B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP142156/93 1993-06-14
JP14215693 1993-06-14

Publications (3)

Publication Number Publication Date
EP0632471A2 EP0632471A2 (de) 1995-01-04
EP0632471A3 true EP0632471A3 (de) 1995-02-15
EP0632471B1 EP0632471B1 (de) 1997-09-24

Family

ID=15308669

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94108868A Expired - Lifetime EP0632471B1 (de) 1993-06-14 1994-06-09 Verfahren zur Herstellung eines Dauermagneten aus Seltenerdmetall, Bor und Eisen

Country Status (4)

Country Link
EP (1) EP0632471B1 (de)
KR (1) KR0151244B1 (de)
AT (1) ATE158669T1 (de)
DE (1) DE69405817T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0867897B1 (de) * 1997-03-25 2003-11-26 Alps Electric Co., Ltd. Auf Fe basierte hartmagnetische Legierung mit einer supergekühlter Spanne
EP0898287B1 (de) * 1997-08-22 2003-05-21 Alps Electric Co., Ltd. Hartmagnetische Legierung mit supergekühlter Schmelzregion,gesintertes Produkt davon und Anwendungen
JP3365625B2 (ja) * 1999-09-16 2003-01-14 住友特殊金属株式会社 ナノコンポジット磁石粉末および磁石の製造方法
KR100562681B1 (ko) 2000-05-24 2006-03-23 가부시키가이샤 네오맥스 복수의 강자성상을 포함하는 영구자석 및 그 제조방법
WO2002030595A1 (en) 2000-10-06 2002-04-18 Santoku Corporation Process for producing, through strip casting, raw alloy for nanocomposite type permanent magnet
US6790296B2 (en) * 2000-11-13 2004-09-14 Neomax Co., Ltd. Nanocomposite magnet and method for producing same
US7217328B2 (en) 2000-11-13 2007-05-15 Neomax Co., Ltd. Compound for rare-earth bonded magnet and bonded magnet using the compound
JP4023138B2 (ja) 2001-02-07 2007-12-19 日立金属株式会社 鉄基希土類合金粉末および鉄基希土類合金粉末を含むコンパウンドならびにそれを用いた永久磁石
EP1388152A2 (de) 2001-05-15 2004-02-11 Sumitomo Special Metals Company Limited Seltenerd-legierungs-nanozusammensetzungs-magnet auf eisenbasis und verfahren zu seiner herstellung
DE60215665T2 (de) 2001-07-31 2007-02-08 Neomax Co., Ltd. Verfahren zum herstellen eines nanozusammensetzungsmagneten unter verwendung eines atomisierungsverfahrens
WO2003044812A1 (en) 2001-11-22 2003-05-30 Sumitomo Special Metals Co., Ltd. Nanocomposite magnet
JP3602120B2 (ja) 2002-08-08 2004-12-15 株式会社Ｎｅｏｍａｘ ナノコンポジット磁石用急冷合金の製造方法
DE10328618B4 (de) * 2003-06-20 2008-04-24 Leibniz-Institut Für Festkörper- Und Werkstoffforschung Dresden E.V. Verfahren und Vorrichtung zur schmelzmetallurgischen Herstellung von Magnetlegierungen auf Nd-Fe-B-Basis
CN108133797B (zh) * 2017-12-18 2019-08-23 北京工业大学 一种抑制CeFe2相的混合稀土铁硼磁体的制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63115304A (ja) * 1986-11-01 1988-05-19 Tdk Corp 高性能希土類鋳造磁石
JPH02118054A (ja) * 1988-10-26 1990-05-02 Seiko Epson Corp 永久磁石材料
JPH04147605A (ja) * 1990-10-11 1992-05-21 Hitachi Metals Ltd 希土類―鉄―硼素系永久磁石の製造方法
EP0556751A1 (de) * 1992-02-15 1993-08-25 Santoku Metal Industry Co., Ltd. Legierungsblock für einen Dauermagnet, anisotropes Pulver für einen Dauermagnet, Verfahren zur Herstellung eines solchen und Dauermagnet

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63115304A (ja) * 1986-11-01 1988-05-19 Tdk Corp 高性能希土類鋳造磁石
JPH02118054A (ja) * 1988-10-26 1990-05-02 Seiko Epson Corp 永久磁石材料
JPH04147605A (ja) * 1990-10-11 1992-05-21 Hitachi Metals Ltd 希土類―鉄―硼素系永久磁石の製造方法
EP0556751A1 (de) * 1992-02-15 1993-08-25 Santoku Metal Industry Co., Ltd. Legierungsblock für einen Dauermagnet, anisotropes Pulver für einen Dauermagnet, Verfahren zur Herstellung eines solchen und Dauermagnet

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
D.DADON ET AL, IEEE TRANSACTIONS ON MAGNETICS., vol. 23, no. 5, September 1987 (1987-09-01), NEW YORK US, pages 3605 - 3606 *
PATENT ABSTRACTS OF JAPAN vol. 12, no. 362 (E - 663) 28 September 1988 (1988-09-28) *
PATENT ABSTRACTS OF JAPAN vol. 14, no. 326 (C - 740) 12 July 1990 (1990-07-12) *
PATENT ABSTRACTS OF JAPAN vol. 16, no. 423 (E - 1260) 7 September 1992 (1992-09-07) *
T-S.CHIN ET AL, APPLIED PHYSICS LETTERS, vol. 59, no. 16, 14 August 1991 (1991-08-14), NEW YORK US, pages 2046 - 2048 *

Also Published As

Publication number Publication date
DE69405817D1 (de) 1997-10-30
EP0632471A2 (de) 1995-01-04
KR950001790A (ko) 1995-01-03
KR0151244B1 (ko) 1998-10-15
ATE158669T1 (de) 1997-10-15
DE69405817T2 (de) 1998-01-15
EP0632471B1 (de) 1997-09-24

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