WO2014079822A3 - Magnetic material and method for producing same - Google Patents

Magnetic material and method for producing same Download PDF

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Publication number
WO2014079822A3
WO2014079822A3 PCT/EP2013/074122 EP2013074122W WO2014079822A3 WO 2014079822 A3 WO2014079822 A3 WO 2014079822A3 EP 2013074122 W EP2013074122 W EP 2013074122W WO 2014079822 A3 WO2014079822 A3 WO 2014079822A3
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic material
earth metal
producing same
rare
group
Prior art date
Application number
PCT/EP2013/074122
Other languages
German (de)
French (fr)
Other versions
WO2014079822A2 (en
Inventor
Arne Huber
Peter Barth
Jürgen OBERLE
Lars BOMMER
Gerhard Schneider
Dagmar GOLL
Original Assignee
Robert Bosch Gmbh
Hochschule Aalen
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 Robert Bosch Gmbh, Hochschule Aalen filed Critical Robert Bosch Gmbh
Priority to CN201380061068.4A priority Critical patent/CN104981883B/en
Publication of WO2014079822A2 publication Critical patent/WO2014079822A2/en
Publication of WO2014079822A3 publication Critical patent/WO2014079822A3/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0293—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets diffusion of rare earth elements, e.g. Tb, Dy or Ho, into permanent magnets
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C28/00—Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C2202/00—Physical properties
    • C22C2202/02—Magnetic
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)

Abstract

The present invention relates to a magnetic material (10), which comprises a magnetically hard phase (3) and a grain boundary phase (2), wherein the magnetically hard phase (3) is formed from a starting material which contains at least one transition metal (TM), at least one rare-earth metal (RE) and at least one additional element (X) selected from the group consisting of: B, C, N, P, W, V, Cr, Mo, Ti, Ta, Nb, Al, Cu, Ga, Si, Zr, Hf, Zn and Sn, wherein the main component part of rare-earth metal (RE) is formed from at least one element selected from the group consisting of: Ce, La, Y, Sc and Pr, and wherein the grain boundary phase (2) contains at least one heavy rare-earth metal (Z) and/or Nd.
PCT/EP2013/074122 2012-11-23 2013-11-19 Magnetic material and method for producing same WO2014079822A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201380061068.4A CN104981883B (en) 2012-11-23 2013-11-19 Magnetic material and the method manufactured for it

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201210221448 DE102012221448A1 (en) 2012-11-23 2012-11-23 Magnetic material and process for its production
DE102012221448.8 2012-11-23

Publications (2)

Publication Number Publication Date
WO2014079822A2 WO2014079822A2 (en) 2014-05-30
WO2014079822A3 true WO2014079822A3 (en) 2014-07-17

Family

ID=49585416

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/074122 WO2014079822A2 (en) 2012-11-23 2013-11-19 Magnetic material and method for producing same

Country Status (3)

Country Link
CN (1) CN104981883B (en)
DE (1) DE102012221448A1 (en)
WO (1) WO2014079822A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014223991B4 (en) * 2014-11-25 2022-06-23 Robert Bosch Gmbh Magnetic material, method for its production and electric motor or starter or generator with the magnetic material
CN105238958A (en) * 2015-10-28 2016-01-13 无棣向上机械设计服务有限公司 Nickel-base superalloy
DE102015222075A1 (en) * 2015-11-10 2017-05-11 Robert Bosch Gmbh Process for producing a magnetic material and electric machine
CN107942270B (en) * 2017-10-20 2020-12-15 昆明理工大学 Method for determining magnetic type of hexagonal metal oxide by using computer
DE102017223268A1 (en) * 2017-12-19 2019-06-19 Robert Bosch Gmbh Method for producing a magnetic material, magnetic material, hard magnet, electric motor, starter and generator
CN112992463B (en) * 2021-03-17 2023-11-21 福建省长汀金龙稀土有限公司 R-T-B magnet and preparation method thereof
CN113628822B (en) * 2021-07-20 2023-07-18 华为技术有限公司 SmFeN permanent magnet, preparation method thereof and motor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1195779A2 (en) * 2000-10-04 2002-04-10 Sumitomo Special Metals Co., Ltd. Rare-earth sintered magnet and method of producing the same
US20020121315A1 (en) * 1999-06-14 2002-09-05 Tadao Nomura Anisotropic rare earth-based permanent magnet material
JP2005210876A (en) * 2004-01-26 2005-08-04 Japan Science & Technology Agency Magnet for small-sized motor, manufacturing method of magnet, and small-sized motor with magnet
EP2043114A1 (en) * 2006-11-30 2009-04-01 Hitachi Metals, Ltd. R-Fe-B MICROCRYSTALLINE HIGH-DENSITY MAGNET AND PROCESS FOR PRODUCTION THEREOF

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4654709B2 (en) * 2004-07-28 2011-03-23 株式会社日立製作所 Rare earth magnets
RU2401881C2 (en) * 2005-03-18 2010-10-20 Улвак, Инк. Coating method and device, permanent magnet and method of making said magnet
TWI364765B (en) * 2005-03-23 2012-05-21 Shinetsu Chemical Co Rare earth permanent magnet
US8206516B2 (en) * 2006-03-03 2012-06-26 Hitachi Metals, Ltd. R—Fe—B rare earth sintered magnet and method for producing same
RU2430003C2 (en) * 2006-05-04 2011-09-27 Аерозоль-Сёрвис Аг High-pressure cylinder containing carbon dioxide and polyethylene glycol as propellant gas
WO2008075709A1 (en) * 2006-12-21 2008-06-26 Ulvac, Inc. Permanent magnet and method for producing permanent magnet
CN101266857A (en) * 2007-12-24 2008-09-17 中国石油大学(华东) Method for improving sintered neodymium-iron-boron coercive force and working temperature based on nano Ti powder modification
JP2010263172A (en) * 2008-07-04 2010-11-18 Daido Steel Co Ltd Rare earth magnet and manufacturing method of the same
JP5057111B2 (en) * 2009-07-01 2012-10-24 信越化学工業株式会社 Rare earth magnet manufacturing method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020121315A1 (en) * 1999-06-14 2002-09-05 Tadao Nomura Anisotropic rare earth-based permanent magnet material
EP1195779A2 (en) * 2000-10-04 2002-04-10 Sumitomo Special Metals Co., Ltd. Rare-earth sintered magnet and method of producing the same
JP2005210876A (en) * 2004-01-26 2005-08-04 Japan Science & Technology Agency Magnet for small-sized motor, manufacturing method of magnet, and small-sized motor with magnet
EP2043114A1 (en) * 2006-11-30 2009-04-01 Hitachi Metals, Ltd. R-Fe-B MICROCRYSTALLINE HIGH-DENSITY MAGNET AND PROCESS FOR PRODUCTION THEREOF

Also Published As

Publication number Publication date
DE102012221448A1 (en) 2014-06-12
WO2014079822A2 (en) 2014-05-30
CN104981883A (en) 2015-10-14
CN104981883B (en) 2018-08-17

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