DE60010385D1 - PERMANENT MAGNETIC MATERIALS OF THE R-FE-B TYPE AND PRODUCTION METHOD THEREFOR - Google Patents

PERMANENT MAGNETIC MATERIALS OF THE R-FE-B TYPE AND PRODUCTION METHOD THEREFOR

Info

Publication number
DE60010385D1
DE60010385D1 DE60010385T DE60010385T DE60010385D1 DE 60010385 D1 DE60010385 D1 DE 60010385D1 DE 60010385 T DE60010385 T DE 60010385T DE 60010385 T DE60010385 T DE 60010385T DE 60010385 D1 DE60010385 D1 DE 60010385D1
Authority
DE
Germany
Prior art keywords
type
production method
permanent magnetic
magnetic materials
method therefor
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 - Lifetime
Application number
DE60010385T
Other languages
German (de)
Other versions
DE60010385T2 (en
Inventor
Pei Xin
Wang Biao
De Zhen
Gilbert Benz
C 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.)
Baotou Iron and Steel Group Co Ltd
General Electric Co
Original Assignee
Baotou Iron and Steel Group Co Ltd
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 Baotou Iron and Steel Group Co Ltd, General Electric Co filed Critical Baotou Iron and Steel Group Co Ltd
Publication of DE60010385D1 publication Critical patent/DE60010385D1/en
Application granted granted Critical
Publication of DE60010385T2 publication Critical patent/DE60010385T2/en
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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
DE60010385T 1999-02-12 2000-02-02 PERMANENT MAGNETIC MATERIALS OF TYPE R-FE-B AND MANUFACTURING METHOD THEREFOR Expired - Lifetime DE60010385T2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN 99102207 CN1251252C (en) 1999-02-12 1999-02-12 Iron-boron-rare earth type pemanent magnetic material containing cerium, neodymium and/or praseodymium and its production method
CN99102207 1999-02-12
PCT/US2000/002649 WO2000048208A1 (en) 1999-02-12 2000-02-02 Permanent magnetic materials of the r-fe-b type and process of manufacture

Publications (2)

Publication Number Publication Date
DE60010385D1 true DE60010385D1 (en) 2004-06-09
DE60010385T2 DE60010385T2 (en) 2005-05-04

Family

ID=5270771

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60010385T Expired - Lifetime DE60010385T2 (en) 1999-02-12 2000-02-02 PERMANENT MAGNETIC MATERIALS OF TYPE R-FE-B AND MANUFACTURING METHOD THEREFOR

Country Status (5)

Country Link
EP (1) EP1072043B1 (en)
CN (1) CN1251252C (en)
AU (1) AU2751500A (en)
DE (1) DE60010385T2 (en)
WO (1) WO2000048208A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6518867B2 (en) 2001-04-03 2003-02-11 General Electric Company Permanent magnet assembly and method of making thereof
US7148689B2 (en) 2003-09-29 2006-12-12 General Electric Company Permanent magnet assembly with movable permanent body for main magnetic field adjustable
US7423431B2 (en) 2003-09-29 2008-09-09 General Electric Company Multiple ring polefaceless permanent magnet and method of making
US7218195B2 (en) 2003-10-01 2007-05-15 General Electric Company Method and apparatus for magnetizing a permanent magnet
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
CN101694797B (en) * 2009-10-27 2012-08-22 麦格昆磁（天津）有限公司 Novel neodymium iron boron magnetic material
CN102969112B (en) * 2012-12-05 2016-04-27 麦格昆磁（天津）有限公司 Rare earth permanent magnet powder and preparation method thereof and magnet prepared therefrom and magnetic device
CN106448987A (en) * 2016-10-16 2017-02-22 桂林电子科技大学 Method for preparing high-coercivity rare earth permanent magnetic ribbon with optimized composition proportion

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH06346200A (en) * 1993-06-14 1994-12-20 Daido Steel Co Ltd Permanent magnet alloy

Also Published As

Publication number Publication date
EP1072043B1 (en) 2004-05-06
CN1251252C (en) 2006-04-12
CN1263349A (en) 2000-08-16
EP1072043A1 (en) 2001-01-31
WO2000048208A1 (en) 2000-08-17
WO2000048208A9 (en) 2001-08-09
AU2751500A (en) 2000-08-29
DE60010385T2 (en) 2005-05-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: ROEGER UND KOLLEGEN, 73728 ESSLINGEN