GB201310267D0 - Method for producing a rare earth-based magnet - Google Patents

Method for producing a rare earth-based magnet

Info

Publication number
GB201310267D0
GB201310267D0 GBGB1310267.8A GB201310267A GB201310267D0 GB 201310267 D0 GB201310267 D0 GB 201310267D0 GB 201310267 A GB201310267 A GB 201310267A GB 201310267 D0 GB201310267 D0 GB 201310267D0
Authority
GB
United Kingdom
Prior art keywords
producing
rare earth
based magnet
magnet
rare
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.)
Granted
Application number
GBGB1310267.8A
Other versions
GB2515019A (en
GB2515019B (en
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.)
Vacuumschmelze GmbH and Co KG
Original Assignee
Vacuumschmelze 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 Vacuumschmelze GmbH and Co KG filed Critical Vacuumschmelze GmbH and Co KG
Priority to GB1310267.8A priority Critical patent/GB2515019B/en
Publication of GB201310267D0 publication Critical patent/GB201310267D0/en
Priority to DE102014107564.1A priority patent/DE102014107564A1/en
Publication of GB2515019A publication Critical patent/GB2515019A/en
Application granted granted Critical
Publication of GB2515019B publication Critical patent/GB2515019B/en
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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B22F2003/241—Chemical after-treatment on the surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B22F2003/248—Thermal after-treatment
    • 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
    • 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)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Hard Magnetic Materials (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
GB1310267.8A 2013-06-10 2013-06-10 Method for producing a rare earth-based magnet Active GB2515019B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1310267.8A GB2515019B (en) 2013-06-10 2013-06-10 Method for producing a rare earth-based magnet
DE102014107564.1A DE102014107564A1 (en) 2013-06-10 2014-05-28 Method of treating a rare earth based magnet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1310267.8A GB2515019B (en) 2013-06-10 2013-06-10 Method for producing a rare earth-based magnet

Publications (3)

Publication Number Publication Date
GB201310267D0 true GB201310267D0 (en) 2013-07-24
GB2515019A GB2515019A (en) 2014-12-17
GB2515019B GB2515019B (en) 2016-08-17

Family

ID=48875996

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1310267.8A Active GB2515019B (en) 2013-06-10 2013-06-10 Method for producing a rare earth-based magnet

Country Status (2)

Country Link
DE (1) DE102014107564A1 (en)
GB (1) GB2515019B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113770355A (en) * 2021-08-31 2021-12-10 浙江英洛华磁业有限公司 Sintering container for rare earth alloy sintering heat treatment and preparation method thereof
CN114783751A (en) * 2022-03-31 2022-07-22 山西师范大学 Grain boundary diffusion process of high-performance sintered neodymium-iron-boron magnet

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2540150B (en) 2015-07-06 2020-01-08 Dyson Technology Ltd Rare earth magnet with Dysprosium treatment
GB2540149B (en) * 2015-07-06 2019-10-02 Dyson Technology Ltd Magnet
CN110853909B (en) * 2019-11-20 2022-04-05 杭州朗旭新材料科技有限公司 Method and device for improving magnet coercive force
CN112420372A (en) * 2020-11-23 2021-02-26 浙江英洛华磁业有限公司 Preparation method of rare earth permanent magnet material

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4656323B2 (en) * 2006-04-14 2011-03-23 信越化学工業株式会社 Method for producing rare earth permanent magnet material
RU2423204C2 (en) 2006-09-15 2011-07-10 Интерметалликс Ко., Лтд. METHOD OF PRODUCING SINTERED NdFeB MAGNET
GB2497573B (en) * 2011-12-15 2016-07-13 Vacuumschmelze Gmbh & Co Kg Method for producing a rare earth-based magnet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113770355A (en) * 2021-08-31 2021-12-10 浙江英洛华磁业有限公司 Sintering container for rare earth alloy sintering heat treatment and preparation method thereof
CN114783751A (en) * 2022-03-31 2022-07-22 山西师范大学 Grain boundary diffusion process of high-performance sintered neodymium-iron-boron magnet

Also Published As

Publication number Publication date
GB2515019A (en) 2014-12-17
GB2515019B (en) 2016-08-17
DE102014107564A1 (en) 2014-12-11

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