DE69027201D1 - CORROSION-RESISTANT MAGNET OF THE TM-B-RE TYPE AND THEIR PRODUCTION METHOD - Google Patents

CORROSION-RESISTANT MAGNET OF THE TM-B-RE TYPE AND THEIR PRODUCTION METHOD

Info

Publication number
DE69027201D1
DE69027201D1 DE69027201T DE69027201T DE69027201D1 DE 69027201 D1 DE69027201 D1 DE 69027201D1 DE 69027201 T DE69027201 T DE 69027201T DE 69027201 T DE69027201 T DE 69027201T DE 69027201 D1 DE69027201 D1 DE 69027201D1
Authority
DE
Germany
Prior art keywords
corrosion
type
production method
resistant magnet
magnet
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 - Fee Related
Application number
DE69027201T
Other languages
German (de)
Other versions
DE69027201T2 (en
Inventor
Yukiko Kawasaki Steel Co Ozaki
Michio Kawasaki Ste Shimotomai
Yasutaka Kawasaki Steel Fukuda
Akira Kawasaki Steel Co Fujita
Yoko Kawasaki Steel Cor Kitano
Junichi Kawasaki Ste Shimomura
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.)
JFE Steel Corp
Original Assignee
Kawasaki Steel Corp
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 Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Application granted granted Critical
Publication of DE69027201D1 publication Critical patent/DE69027201D1/en
Publication of DE69027201T2 publication Critical patent/DE69027201T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/07—Alloys based on nickel or cobalt based on cobalt
    • 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
DE69027201T 1989-10-12 1990-10-11 CORROSION-RESISTANT MAGNET OF THE TM-B-RE TYPE AND THEIR PRODUCTION METHOD Expired - Fee Related DE69027201T2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP26394689 1989-10-12
JP33502889 1989-12-26
JP2269635A JP2675430B2 (en) 1989-10-12 1990-10-09 Corrosion resistant rare earth-transition metal magnet and method of manufacturing the same
PCT/JP1990/001315 WO1991006107A1 (en) 1989-10-12 1990-10-11 Corrosion-resistant, rare earth-transition metal magnet and method of production thereof

Publications (2)

Publication Number Publication Date
DE69027201D1 true DE69027201D1 (en) 1996-07-04
DE69027201T2 DE69027201T2 (en) 1996-10-10

Family

ID=27335262

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69027201T Expired - Fee Related DE69027201T2 (en) 1989-10-12 1990-10-11 CORROSION-RESISTANT MAGNET OF THE TM-B-RE TYPE AND THEIR PRODUCTION METHOD

Country Status (6)

Country Link
EP (1) EP0447567B1 (en)
JP (1) JP2675430B2 (en)
KR (1) KR960013029B1 (en)
CA (1) CA2044171C (en)
DE (1) DE69027201T2 (en)
WO (1) WO1991006107A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69202515T2 (en) * 1991-06-04 1995-09-21 Shinetsu Chemical Co Process for the production of two-phase permanent magnets based on rare earths.
US5405455A (en) * 1991-06-04 1995-04-11 Shin-Etsu Chemical Co. Ltd. Rare earth-based permanent magnet
JP2782024B2 (en) * 1992-01-29 1998-07-30 住友特殊金属株式会社 Method for producing raw material powder for R-Fe-B-based permanent magnet
US5387291A (en) * 1992-03-19 1995-02-07 Sumitomo Special Metals Co., Ltd. Process for producing alloy powder material for R-Fe-B permanent magnets and alloy powder for adjusting the composition therefor
EP0583041B1 (en) * 1992-08-13 1997-02-05 Koninklijke Philips Electronics N.V. Method of manufacturing a permanent magnet on the basis of NdFeB
CN1044940C (en) * 1992-08-13 1999-09-01 Ybm麦格奈克斯公司 Method of manufacturing a permanent magnet on the basis of ndfeb
US5482575A (en) * 1992-12-08 1996-01-09 Ugimag Sa Fe-Re-B type magnetic powder, sintered magnets and preparation method thereof
CN1934283B (en) 2004-06-22 2011-07-27 信越化学工业株式会社 R-Fe-B-based rare earth permanent magnet material

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2700643B2 (en) * 1987-04-11 1998-01-21 株式会社トーキン Manufacturing method of rare earth permanent magnet with excellent oxidation resistance
EP0261579B1 (en) * 1986-09-16 1993-01-07 Tokin Corporation A method for producing a rare earth metal-iron-boron permanent magnet by use of a rapidly-quenched alloy powder
JPH0621324B2 (en) * 1986-10-04 1994-03-23 信越化学工業株式会社 Rare earth permanent magnet alloy composition
JPS63127505A (en) * 1986-11-17 1988-05-31 Taiyo Yuden Co Ltd Magnet and manufacture thereof
JPH063763B2 (en) * 1986-12-26 1994-01-12 信越化学工業株式会社 Rare earth permanent magnet manufacturing method
JP2948223B2 (en) * 1987-03-31 1999-09-13 住友特殊金属 株式会社 High performance permanent magnet with excellent corrosion resistance and method of manufacturing the same
US5015307A (en) * 1987-10-08 1991-05-14 Kawasaki Steel Corporation Corrosion resistant rare earth metal magnet

Also Published As

Publication number Publication date
EP0447567A4 (en) 1992-05-20
CA2044171A1 (en) 1991-04-13
DE69027201T2 (en) 1996-10-10
KR960013029B1 (en) 1996-09-25
CA2044171C (en) 2000-12-12
JP2675430B2 (en) 1997-11-12
KR920701999A (en) 1992-08-12
WO1991006107A1 (en) 1991-05-02
EP0447567B1 (en) 1996-05-29
JPH03250607A (en) 1991-11-08
EP0447567A1 (en) 1991-09-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee