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AU3482800A - Praseodymium-rich iron-boron-rare earth composition, permanent magnet produced therefrom, and method of making - Google Patents

Praseodymium-rich iron-boron-rare earth composition, permanent magnet produced therefrom, and method of making

Info

Publication number
AU3482800A
AU3482800A AU34828/00A AU3482800A AU3482800A AU 3482800 A AU3482800 A AU 3482800A AU 34828/00 A AU34828/00 A AU 34828/00A AU 3482800 A AU3482800 A AU 3482800A AU 3482800 A AU3482800 A AU 3482800A
Authority
AU
Australia
Prior art keywords
praseodymium
boron
making
permanent magnet
rare earth
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.)
Abandoned
Application number
AU34828/00A
Inventor
Mark Gilbert Benz
Juliana Ching Shei
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of AU3482800A publication Critical patent/AU3482800A/en
Abandoned 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
    • H01F1/0575—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

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
AU34828/00A 1999-02-12 2000-02-03 Praseodymium-rich iron-boron-rare earth composition, permanent magnet produced therefrom, and method of making Abandoned AU3482800A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US24825199A 1999-02-12 1999-02-12
US09248251 1999-02-12
PCT/US2000/002946 WO2000048209A1 (en) 1999-02-12 2000-02-03 Praseodymium-rich iron-boron-rare earth composition, permanent magnet produced therefrom, and method of making

Publications (1)

Publication Number Publication Date
AU3482800A true AU3482800A (en) 2000-08-29

Family

ID=22938307

Family Applications (1)

Application Number Title Priority Date Filing Date
AU34828/00A Abandoned AU3482800A (en) 1999-02-12 2000-02-03 Praseodymium-rich iron-boron-rare earth composition, permanent magnet produced therefrom, and method of making

Country Status (5)

Country Link
EP (1) EP1072044A1 (en)
JP (1) JP2003525345A (en)
CN (1) CN1133182C (en)
AU (1) AU3482800A (en)
WO (1) WO2000048209A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100461308C (en) * 2005-05-22 2009-02-11 横店集团东磁有限公司 Ultra-high coercive force sintered Nd-Fe-B magnetic material and preparing process thereof
JP2013157505A (en) * 2012-01-31 2013-08-15 Minebea Co Ltd Method of manufacturing bond magnet
US9947445B2 (en) * 2013-03-22 2018-04-17 Tdk Corporation R-T-B based permanent magnet
US9953751B2 (en) * 2013-03-22 2018-04-24 Tdk Corporation R-T-B based permanent magnet
CN104272404B (en) * 2013-03-22 2019-03-26 Tdk株式会社 R-T-B system permanent magnet
CN105469973B (en) 2014-12-19 2017-07-18 北京中科三环高技术股份有限公司 A kind of preparation method of R T B permanent magnets

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4597938A (en) * 1983-05-21 1986-07-01 Sumitomo Special Metals Co., Ltd. Process for producing permanent magnet materials
JPH066775B2 (en) * 1984-04-18 1994-01-26 セイコーエプソン株式会社 Rare earth permanent magnet
JPS60228652A (en) * 1984-04-24 1985-11-13 Nippon Gakki Seizo Kk Magnet containing rare earth element and its manufacture
KR880013194A (en) * 1987-04-06 1988-11-30 원본미기재 Permanent magnet and its manufacturing method

Also Published As

Publication number Publication date
WO2000048209A1 (en) 2000-08-17
CN1133182C (en) 2003-12-31
EP1072044A1 (en) 2001-01-31
JP2003525345A (en) 2003-08-26
WO2000048209A9 (en) 2001-08-09
CN1296627A (en) 2001-05-23

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase