JPH0417604A - 磁気特性に優れた希土類磁石合金粉末の製造法 - Google Patents

磁気特性に優れた希土類磁石合金粉末の製造法

Info

Publication number
JPH0417604A
JPH0417604A JP2122651A JP12265190A JPH0417604A JP H0417604 A JPH0417604 A JP H0417604A JP 2122651 A JP2122651 A JP 2122651A JP 12265190 A JP12265190 A JP 12265190A JP H0417604 A JPH0417604 A JP H0417604A
Authority
JP
Japan
Prior art keywords
alloy
temperature
rare earth
atomic
powder
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
JP2122651A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0579724B2 (fr
Inventor
Takuo Takeshita
武下 拓夫
Ryoji Nakayama
亮治 中山
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 JP2122651A priority Critical patent/JPH0417604A/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 JPH0417604A publication Critical patent/JPH0417604A/ja
Priority to US07/978,911 priority patent/US5338371A/en
Publication of JPH0579724B2 publication Critical patent/JPH0579724B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets 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
    • H01F1/04Magnets 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
    • H01F1/047Alloys characterised by their composition
    • H01F1/053Alloys characterised by their composition containing rare earth metals
    • H01F1/055Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571Alloys 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
    • H01F1/0573Alloys 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)
JP2122651A 1989-07-31 1990-05-11 磁気特性に優れた希土類磁石合金粉末の製造法 Granted JPH0417604A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2122651A JPH0417604A (ja) 1990-05-11 1990-05-11 磁気特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
JP2122651A JPH0417604A (ja) 1990-05-11 1990-05-11 磁気特性に優れた希土類磁石合金粉末の製造法

Publications (2)

Publication Number Publication Date
JPH0417604A true JPH0417604A (ja) 1992-01-22
JPH0579724B2 JPH0579724B2 (fr) 1993-11-04

Family

ID=14841254

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2122651A Granted JPH0417604A (ja) 1989-07-31 1990-05-11 磁気特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) JPH0417604A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06151132A (ja) * 1992-10-29 1994-05-31 Mitsubishi Materials Corp 異方性磁石材料粉末の製造方法およびその製造方法により得られた異方性磁石材料粉末を用いた磁石の製造方法
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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06151132A (ja) * 1992-10-29 1994-05-31 Mitsubishi Materials Corp 異方性磁石材料粉末の製造方法およびその製造方法により得られた異方性磁石材料粉末を用いた磁石の製造方法
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

Also Published As

Publication number Publication date
JPH0579724B2 (fr) 1993-11-04

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