JPH03146608A - 磁気的異方性に優れた希土類磁石合金粉末の製造法 - Google Patents

磁気的異方性に優れた希土類磁石合金粉末の製造法

Info

Publication number
JPH03146608A
JPH03146608A JP1284293A JP28429389A JPH03146608A JP H03146608 A JPH03146608 A JP H03146608A JP 1284293 A JP1284293 A JP 1284293A JP 28429389 A JP28429389 A JP 28429389A JP H03146608 A JPH03146608 A JP H03146608A
Authority
JP
Japan
Prior art keywords
alloy
magnetic anisotropy
rare earth
powder
excellent magnetic
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
JP1284293A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0579723B2 (fr
Inventor
Ryoji Nakayama
亮治 中山
Takuo Takeshita
武下　拓夫
Tamotsu Ogawa
保 小川
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.)
Mitsubishi Materials Corp
Original Assignee
Mitsubishi Materials 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 Mitsubishi Materials Corp filed Critical Mitsubishi Materials Corp
Priority to JP1284293A priority Critical patent/JPH03146608A/ja
Priority to DE69009335T priority patent/DE69009335T2/de
Priority to US07/560,594 priority patent/US5228930A/en
Priority to EP90114691A priority patent/EP0411571B1/fr
Publication of JPH03146608A publication Critical patent/JPH03146608A/ja
Priority to US07/978,911 priority patent/US5338371A/en
Publication of JPH0579723B2 publication Critical patent/JPH0579723B2/ja
Granted 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
    • 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
    • H01F1/0573—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 obtained by reduction or by hydrogen decrepitation or embrittlement

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
JP1284293A 1989-07-31 1989-10-31 磁気的異方性に優れた希土類磁石合金粉末の製造法 Granted JPH03146608A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP1284293A JPH03146608A (ja) 1989-10-31 1989-10-31 磁気的異方性に優れた希土類磁石合金粉末の製造法
DE69009335T DE69009335T2 (de) 1989-07-31 1990-07-31 Seltenerdpulver für Dauermagnet, Herstellungsverfahren und Verbundmagnet.
US07/560,594 US5228930A (en) 1989-07-31 1990-07-31 Rare earth permanent magnet power, method for producing same and bonded magnet
EP90114691A EP0411571B1 (fr) 1989-07-31 1990-07-31 Poudre à base de terre rare pour aimant, méthode de préparation et aimant à liant
US07/978,911 US5338371A (en) 1989-07-31 1992-11-19 Rare earth permanent magnet powder, method for producing same and bonded magnet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1284293A JPH03146608A (ja) 1989-10-31 1989-10-31 磁気的異方性に優れた希土類磁石合金粉末の製造法

Publications (2)

Publication Number Publication Date
JPH03146608A true JPH03146608A (ja) 1991-06-21
JPH0579723B2 JPH0579723B2 (fr) 1993-11-04

Family

ID=17676655

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1284293A Granted JPH03146608A (ja) 1989-07-31 1989-10-31 磁気的異方性に優れた希土類磁石合金粉末の製造法

Country Status (1)

Country Link
JP (1) JPH03146608A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07307211A (ja) * 1992-11-20 1995-11-21 General Motors Corp <Gm> 異方性粉末から形成されたホットプレス磁石
JPH09505245A (ja) * 1993-11-19 1997-05-27 ドネリイ コーポレーション ホログラム、キノフォーム、回析型光学要素、微細構造の複製方法およびその複製方法により製造されるプラスチック製のバイナリ型光学要素
US5643491A (en) * 1992-12-28 1997-07-01 Aichi Steel Works, Ltd. Rare earth magnetic powder, its fabrication method, and resin bonded magnet
US6444052B1 (en) 1999-10-13 2002-09-03 Aichi Steel Corporation Production method of anisotropic rare earth magnet powder

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07307211A (ja) * 1992-11-20 1995-11-21 General Motors Corp <Gm> 異方性粉末から形成されたホットプレス磁石
US5643491A (en) * 1992-12-28 1997-07-01 Aichi Steel Works, Ltd. Rare earth magnetic powder, its fabrication method, and resin bonded magnet
JPH09505245A (ja) * 1993-11-19 1997-05-27 ドネリイ コーポレーション ホログラム、キノフォーム、回析型光学要素、微細構造の複製方法およびその複製方法により製造されるプラスチック製のバイナリ型光学要素
US6444052B1 (en) 1999-10-13 2002-09-03 Aichi Steel Corporation Production method of anisotropic rare earth magnet powder

Also Published As

Publication number Publication date
JPH0579723B2 (fr) 1993-11-04

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