DE69212569T2 - Process for the production of alloy powders of the SE-Fe / Co-B-M type and bonded magnets with this alloy powder - Google Patents

Process for the production of alloy powders of the SE-Fe / Co-B-M type and bonded magnets with this alloy powder

Info

Publication number
DE69212569T2
DE69212569T2 DE1992612569 DE69212569T DE69212569T2 DE 69212569 T2 DE69212569 T2 DE 69212569T2 DE 1992612569 DE1992612569 DE 1992612569 DE 69212569 T DE69212569 T DE 69212569T DE 69212569 T2 DE69212569 T2 DE 69212569T2
Authority
DE
Germany
Prior art keywords
alloy
production
type
bonded magnets
alloy powder
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
DE1992612569
Other languages
German (de)
Other versions
DE69212569D1 (en
Inventor
Satoshi Hirosawa
Hirokazu Kanekiyo
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.)
Neomax Co Ltd
Original Assignee
Sumitomo Special Metals Co Ltd
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
Priority claimed from JP3323779A external-priority patent/JP2966169B2/en
Priority claimed from JP4124180A external-priority patent/JP2986611B2/en
Application filed by Sumitomo Special Metals Co Ltd filed Critical Sumitomo Special Metals Co Ltd
Application granted granted Critical
Publication of DE69212569D1 publication Critical patent/DE69212569D1/en
Publication of DE69212569T2 publication Critical patent/DE69212569T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0433—Nickel- or cobalt-based alloys
    • C22C1/0441—Alloys based on intermetallic compounds of the type rare earth - Co, Ni
    • 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
    • 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
    • H01F1/0578—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 bonded together
DE1992612569 1991-11-11 1992-11-11 Process for the production of alloy powders of the SE-Fe / Co-B-M type and bonded magnets with this alloy powder Expired - Lifetime DE69212569T2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP3323779A JP2966169B2 (en) 1991-11-11 1991-11-11 Rare earth magnet, alloy powder for rare earth magnet and method for producing the same
JP9378092 1992-03-19
JP4124180A JP2986611B2 (en) 1992-04-16 1992-04-16 Fe-BR bonded magnet
JP17476792 1992-06-08
JP17619992 1992-06-09

Publications (2)

Publication Number Publication Date
DE69212569D1 DE69212569D1 (en) 1996-09-05
DE69212569T2 true DE69212569T2 (en) 1997-02-06

Family

ID=27525665

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1992612569 Expired - Lifetime DE69212569T2 (en) 1991-11-11 1992-11-11 Process for the production of alloy powders of the SE-Fe / Co-B-M type and bonded magnets with this alloy powder

Country Status (3)

Country Link
EP (1) EP0542529B1 (en)
CN (1) CN1053988C (en)
DE (1) DE69212569T2 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6019859A (en) 1994-09-02 2000-02-01 Sumitomo Special Metals Co., Ltd. Iron-based permanent magnets and their fabrication as well as iron-based permanent magnet alloy powders for permanent bonded magnets and iron-based bonded magnets
EP0657899B1 (en) * 1993-12-10 2000-03-08 Sumitomo Special Metals Company Limited Iron-based permanent magnet alloy powders for resin bonded magnets and magnets made therefrom
DE19541948A1 (en) * 1995-11-10 1997-05-15 Schramberg Magnetfab Magnetic material and permanent magnet of the NdFeB type
JPH10125518A (en) * 1996-10-18 1998-05-15 Sumitomo Special Metals Co Ltd Thin sheet magnet with fine crystal structure
WO1998035364A1 (en) 1997-02-06 1998-08-13 Sumitomo Special Metals Co., Ltd. Method of manufacturing thin plate magnet having microcrystalline structure
WO1998036428A1 (en) * 1997-02-14 1998-08-20 Sumitomo Special Metals Co., Ltd. Thin plate magnet having microcrystalline structure
DE69814762T2 (en) * 1997-08-22 2003-12-04 Alps Electric Co Ltd Hard magnetic alloy with supercooled melting region, sintered product thereof and applications
WO2000033325A1 (en) * 1998-12-03 2000-06-08 Institut für Festkörper- und Werkstofforschung Dresden e.V. Hard magnetic alloy and casting mould produced therewith
US6524399B1 (en) * 1999-03-05 2003-02-25 Pioneer Metals And Technology, Inc. Magnetic material
US7195661B2 (en) 1999-03-05 2007-03-27 Pioneer Metals And Technology, Inc. Magnetic material
US6818041B2 (en) 2000-09-18 2004-11-16 Neomax Co., Ltd Magnetic alloy powder for permanent magnet and method for producing the same
CN101240398B (en) * 2007-02-07 2010-12-29 罗阳 Intermetallic compound anisotropy magnetic powder, preparation method and special device
CN101202143B (en) * 2007-11-09 2012-01-11 钢铁研究总院 Preparation method of high performance radial hot pressing magnet ring
CN101877264B (en) * 2009-04-30 2012-12-12 比亚迪股份有限公司 Rare earth-based permanent magnetic material and preparation method thereof
CN101819844B (en) * 2010-04-29 2012-11-07 漯河市三鑫稀土永磁材料有限责任公司 High-remanence low-coercivity permanent magnetic material and preparation method thereof
CN103871708B (en) * 2014-03-04 2016-04-13 山西雷麦电子科技有限公司 A kind of iron cobalt-based high magnetic intensity soft magnetic material and preparation method
EP3355440A1 (en) * 2015-07-14 2018-08-01 Kabushiki Kaisha Toshiba Rotary electrical machine and vehicle
US10984930B2 (en) * 2017-09-28 2021-04-20 Hitachi Metals, Ltd. Method for producing sintered R—T—B based magnet and diffusion source

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62208609A (en) * 1986-03-07 1987-09-12 Namiki Precision Jewel Co Ltd Resin-bonded permanent magnet and manufacture of its magnetic powder
DE3777523D1 (en) * 1986-10-10 1992-04-23 Philips Nv MAGNETIC MATERIAL FROM IRON, BOR AND RARE EARTH METAL.
CN1019429B (en) * 1989-12-31 1992-12-09 中国科学院三环新材料研究开发公司 Biphase rare earth permanent-magnetic alloy material

Also Published As

Publication number Publication date
EP0542529B1 (en) 1996-07-31
DE69212569D1 (en) 1996-09-05
EP0542529A1 (en) 1993-05-19
CN1053988C (en) 2000-06-28
CN1085007A (en) 1994-04-06

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Representative=s name: FEDER WALTER EBERT PATENTANWAELTE, 40237 DUESSELDO

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