EP4292108C0 - Verfahren zur herstellung eines rohmagneten - Google Patents

Verfahren zur herstellung eines rohmagneten

Info

Publication number
EP4292108C0
EP4292108C0 EP21845004.7A EP21845004A EP4292108C0 EP 4292108 C0 EP4292108 C0 EP 4292108C0 EP 21845004 A EP21845004 A EP 21845004A EP 4292108 C0 EP4292108 C0 EP 4292108C0
Authority
EP
European Patent Office
Prior art keywords
producing
raw magnet
magnet
raw
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.)
Active
Application number
EP21845004.7A
Other languages
English (en)
French (fr)
Other versions
EP4292108B1 (de
EP4292108A1 (de
Inventor
Johannes Maurath
Simone Schuster
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.)
Mimplus Technologies GmbH and Co KG
Original Assignee
Mimplus Technologies GmbH and Co KG
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 Mimplus Technologies GmbH and Co KG filed Critical Mimplus Technologies GmbH and Co KG
Publication of EP4292108A1 publication Critical patent/EP4292108A1/de
Application granted granted Critical
Publication of EP4292108B1 publication Critical patent/EP4292108B1/de
Publication of EP4292108C0 publication Critical patent/EP4292108C0/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H01F1/0536—Alloys characterised by their composition containing rare earth metals 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
    • H01F1/0551—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes
    • 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
    • H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
    • H01F1/0557—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 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
    • 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
    • H01F1/06—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 in the form of particles, e.g. powder
    • H01F1/08—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 in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/086—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 in the form of particles, e.g. powder pressed, sintered, or bound together sintered
    • 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
    • H01F41/0266—Moulding; Pressing

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
  • Hard Magnetic Materials (AREA)
EP21845004.7A 2021-02-15 2021-12-22 Verfahren zur herstellung eines rohmagneten Active EP4292108B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021201413.5A DE102021201413A1 (de) 2021-02-15 2021-02-15 Verfahren zur Herstellung eines Rohmagneten
PCT/EP2021/087411 WO2022171348A1 (de) 2021-02-15 2021-12-22 Verfahren zur herstellung eines rohmagneten

Publications (3)

Publication Number Publication Date
EP4292108A1 EP4292108A1 (de) 2023-12-20
EP4292108B1 EP4292108B1 (de) 2026-02-04
EP4292108C0 true EP4292108C0 (de) 2026-02-04

Family

ID=79731029

Family Applications (2)

Application Number Title Priority Date Filing Date
EP21845004.7A Active EP4292108B1 (de) 2021-02-15 2021-12-22 Verfahren zur herstellung eines rohmagneten
EP21844998.1A Pending EP4292107A1 (de) 2021-02-15 2021-12-22 Verfahren zur herstellung eines rohmagneten

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP21844998.1A Pending EP4292107A1 (de) 2021-02-15 2021-12-22 Verfahren zur herstellung eines rohmagneten

Country Status (4)

Country Link
US (2) US20240145135A1 (de)
EP (2) EP4292108B1 (de)
DE (1) DE102021201413A1 (de)
WO (2) WO2022171347A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021201413A1 (de) * 2021-02-15 2022-08-18 Mimplus Technologies Gmbh & Co. Kg Verfahren zur Herstellung eines Rohmagneten
DE102022129227A1 (de) * 2022-11-04 2024-05-08 Mimplus Technologies Gmbh & Co. Kg Verfahren zur Herstellung eines Rohmagneten

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59136909A (ja) * 1983-01-27 1984-08-06 Seiko Epson Corp 樹脂結合型永久磁石の製造方法
JP2911017B2 (ja) 1993-12-10 1999-06-23 信越化学工業株式会社 ラジアル異方性希土類焼結磁石の製造方法
DE19843883C1 (de) 1998-09-24 1999-10-07 Vacuumschmelze Gmbh Verfahren zur Wiederverwendung von Dauermagneten
JP2001068317A (ja) * 1999-08-31 2001-03-16 Shin Etsu Chem Co Ltd Ｎｄ−Ｆｅ−Ｂ焼結磁石及びその製造方法
JP2004128302A (ja) 2002-10-04 2004-04-22 Hitachi Metals Ltd 希土類焼結磁石
US8142573B2 (en) * 2007-04-13 2012-03-27 Hitachi Metals, Ltd. R-T-B sintered magnet and method for producing the same
JP2009225608A (ja) * 2008-03-18 2009-10-01 Nitto Denko Corp モータ用永久磁石及びモータ用永久磁石の製造方法
GB2482091B (en) 2009-09-21 2013-07-17 Rod F Soderberg A composite material including magnetic particles which provides structural and magnetic capabilities
US9663843B2 (en) 2010-12-02 2017-05-30 The University Of Birmingham Magnet recycling
DE102011105324A1 (de) * 2011-06-03 2012-12-06 Minebea Co., Ltd. Spritzgusswerkzeug
US9147524B2 (en) 2011-08-30 2015-09-29 General Electric Company High resistivity magnetic materials
DE102012208362A1 (de) * 2012-05-18 2013-11-21 Siemens Aktiengesellschaft Verfahren zur Herstellung eines Permanentmagneten
JP2013243886A (ja) * 2012-05-22 2013-12-05 Nitto Denko Corp 永久磁石モータ、永久磁石モータの製造方法及び永久磁石
US20150171717A1 (en) * 2013-12-17 2015-06-18 GM Global Technology Operations LLC Net shaped aligned and sintered magnets by modified mim processing
WO2015121913A1 (ja) * 2014-02-12 2015-08-20 日東電工株式会社 希土類永久磁石及び希土類永久磁石の製造方法
WO2016023961A1 (en) * 2014-08-12 2016-02-18 Abb Technology Ag Magnet having regions of different magnetic properties and method for forming such a magnet
US20190148994A1 (en) * 2014-11-07 2019-05-16 Ford Global Technologies, Llc Fixtures and methods for forming aligned magnetic cores
JPWO2017022684A1 (ja) * 2015-07-31 2018-05-24 日東電工株式会社 希土類磁石形成用焼結体及び希土類焼結磁石
DE102021201413A1 (de) * 2021-02-15 2022-08-18 Mimplus Technologies Gmbh & Co. Kg Verfahren zur Herstellung eines Rohmagneten

Also Published As

Publication number Publication date
DE102021201413A1 (de) 2022-08-18
US20240127994A1 (en) 2024-04-18
WO2022171348A1 (de) 2022-08-18
WO2022171347A1 (de) 2022-08-18
EP4292108B1 (de) 2026-02-04
EP4292107A1 (de) 2023-12-20
US20240145135A1 (en) 2024-05-02
EP4292108A1 (de) 2023-12-20

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