JPH0579722B2 - - Google Patents

Info

Publication number
JPH0579722B2
JPH0579722B2 JP1037924A JP3792489A JPH0579722B2 JP H0579722 B2 JPH0579722 B2 JP H0579722B2 JP 1037924 A JP1037924 A JP 1037924A JP 3792489 A JP3792489 A JP 3792489A JP H0579722 B2 JPH0579722 B2 JP H0579722B2
Authority
JP
Japan
Prior art keywords
powder
temperature
hydrogen gas
permanent magnet
atmosphere
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.)
Expired - Fee Related
Application number
JP1037924A
Other languages
English (en)
Japanese (ja)
Other versions
JPH02217406A (ja
Inventor
Ryoji Nakayama
Takuo Takeshita
Tamotsu Ogawa
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 JP1037924A priority Critical patent/JPH02217406A/ja
Publication of JPH02217406A publication Critical patent/JPH02217406A/ja
Publication of JPH0579722B2 publication Critical patent/JPH0579722B2/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)
JP1037924A 1989-02-17 1989-02-17 希土類―Ｆｅ―Ｂ系永久磁石粉末の製造法 Granted JPH02217406A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1037924A JPH02217406A (ja) 1989-02-17 1989-02-17 希土類―Ｆｅ―Ｂ系永久磁石粉末の製造法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1037924A JPH02217406A (ja) 1989-02-17 1989-02-17 希土類―Ｆｅ―Ｂ系永久磁石粉末の製造法

Publications (2)

Publication Number Publication Date
JPH02217406A JPH02217406A (ja) 1990-08-30
JPH0579722B2 true JPH0579722B2 (de) 1993-11-04

Family

ID=12511097

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1037924A Granted JPH02217406A (ja) 1989-02-17 1989-02-17 希土類―Ｆｅ―Ｂ系永久磁石粉末の製造法

Country Status (1)

Country Link
JP (1) JPH02217406A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102554240A (zh) * 2010-12-31 2012-07-11 上海爱普生磁性器件有限公司 粘结钕铁硼永磁体颗粒料制备方法
CN105057097B (zh) * 2015-09-16 2017-03-22 重庆市九瑞粉末冶金有限责任公司 瀑布式磁力铁粉颗粒分选装置

Also Published As

Publication number Publication date
JPH02217406A (ja) 1990-08-30

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