CA2044171A1 - Aimants a base de metaux de transition/metaux de terres rares en transition, resistant a la corrosion, et methode de fabrication connexe - Google Patents

Aimants a base de metaux de transition/metaux de terres rares en transition, resistant a la corrosion, et methode de fabrication connexe

Info

Publication number
CA2044171A1
CA2044171A1 CA2044171A CA2044171A CA2044171A1 CA 2044171 A1 CA2044171 A1 CA 2044171A1 CA 2044171 A CA2044171 A CA 2044171A CA 2044171 A CA2044171 A CA 2044171A CA 2044171 A1 CA2044171 A1 CA 2044171A1
Authority
CA
Canada
Prior art keywords
phase
corrosion
producing
rare earth
same
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
CA2044171A
Other languages
English (en)
Other versions
CA2044171C (fr
Inventor
Yukiko Ozaki
Michio Shimotomai
Yasutaka Fukuda
Akira Fujita
Yoko Kitano
Junichi 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
Individual
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 Individual filed Critical Individual
Publication of CA2044171A1 publication Critical patent/CA2044171A1/fr
Application granted granted Critical
Publication of CA2044171C publication Critical patent/CA2044171C/fr
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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
CA002044171A 1989-10-12 1990-10-11 Aimants a base de metaux de transition/metaux de terres rares en transition, resistant a la corrosion, et methode de fabrication connexe Expired - Fee Related CA2044171C (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP26394689 1989-10-12
JP263,946/89 1989-10-12
JP335,028/89 1989-12-26
JP33502889 1989-12-26
JP269,635/90 1990-10-09
JP2269635A JP2675430B2 (ja) 1989-10-12 1990-10-09 耐蝕性希土類―遷移金属系磁石およびその製造方法
PCT/JP1990/001315 WO1991006107A1 (fr) 1989-10-12 1990-10-11 Aimant en metal de transition de terres rares resistant a la corrosion et procede de production de cet aimant

Publications (2)

Publication Number Publication Date
CA2044171A1 true CA2044171A1 (fr) 1991-04-13
CA2044171C CA2044171C (fr) 2000-12-12

Family

ID=27335262

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002044171A Expired - Fee Related CA2044171C (fr) 1989-10-12 1990-10-11 Aimants a base de metaux de transition/metaux de terres rares en transition, resistant a la corrosion, et methode de fabrication connexe

Country Status (6)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69202515T2 (de) * 1991-06-04 1995-09-21 Shinetsu Chemical Co Verfahren zur Herstellung von zweiphasigen Dauermagneten auf der Basis von Seltenen Erden.
US5405455A (en) * 1991-06-04 1995-04-11 Shin-Etsu Chemical Co. Ltd. Rare earth-based permanent magnet
JP2782024B2 (ja) * 1992-01-29 1998-07-30 住友特殊金属株式会社 Ｒ−Ｆｅ−Ｂ系永久磁石用原料粉末の製造方法
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
CN1044940C (zh) * 1992-08-13 1999-09-01 Ybm麦格奈克斯公司 基于钕铁硼的生产永久磁铁的方法
EP0583041B1 (fr) * 1992-08-13 1997-02-05 Koninklijke Philips Electronics N.V. Procédé pour la fabrication d'un aimant permanent à base de NdFeB
US5482575A (en) * 1992-12-08 1996-01-09 Ugimag Sa Fe-Re-B type magnetic powder, sintered magnets and preparation method thereof
CN1934283B (zh) 2004-06-22 2011-07-27 信越化学工业株式会社 R-Fe-B基稀土永磁体材料

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2700643B2 (ja) * 1987-04-11 1998-01-21 株式会社トーキン 耐酸化性に優れた希土類永久磁石の製造方法
EP0261579B1 (fr) * 1986-09-16 1993-01-07 Tokin Corporation Méthode pour la fabrication d'un aimant permanent terre métal rare-fer-bore utilisant une poudre en alliage refroidi brusquement
JPH0621324B2 (ja) * 1986-10-04 1994-03-23 信越化学工業株式会社 希土類永久磁石合金用組成物
JPS63127505A (ja) * 1986-11-17 1988-05-31 Taiyo Yuden Co Ltd 磁石及びその製造方法
JPH063763B2 (ja) * 1986-12-26 1994-01-12 信越化学工業株式会社 希土類永久磁石の製造方法
JP2948223B2 (ja) * 1987-03-31 1999-09-13 住友特殊金属 株式会社 耐食性のすぐれた高性能永久磁石及びその製造方法
US5015307A (en) * 1987-10-08 1991-05-14 Kawasaki Steel Corporation Corrosion resistant rare earth metal magnet

Also Published As

Publication number Publication date
DE69027201D1 (de) 1996-07-04
DE69027201T2 (de) 1996-10-10
WO1991006107A1 (fr) 1991-05-02
EP0447567A4 (en) 1992-05-20
CA2044171C (fr) 2000-12-12
EP0447567A1 (fr) 1991-09-25
EP0447567B1 (fr) 1996-05-29
KR960013029B1 (ko) 1996-09-25
JP2675430B2 (ja) 1997-11-12
KR920701999A (ko) 1992-08-12
JPH03250607A (ja) 1991-11-08

Similar Documents

Publication Publication Date Title
KR880002202A (ko) 열 안정성이 우수한 영구자석
DE60100923D1 (de) Dauermagnet mit mehreren ferromagnetischen Phasen und zugehöriges Herstellungsverfahren
JPS54124822A (en) Permanent magnet material
CA2044171A1 (fr) Aimants a base de metaux de transition/metaux de terres rares en transition, resistant a la corrosion, et methode de fabrication connexe
US4544904A (en) Composite magnet and magnetic circuit
DE3786719D1 (de) Seltenerdmagnet und seltenerdlegierung-magnetpulver mit grossem korrosionswiderstand.
ES8707373A1 (es) Un metodo para producir un cuerpo uniforme de iman permanen-te
EP0325403A3 (fr) Aimants à liant résineux
ATE109587T1 (de) Magnetlegierungszusammensetzungen und dauermagnete.
EP0571002A3 (fr) Alliage pour aimant permanent à résistance contré l'oxydation améliorée et procédé de fabrication
RU93050138A (ru) Сплав для постоянных магнитов на основе редкоземельных элементов, железа и бора
JPS5567110A (en) Intermetallic compound magnet
Homma Permanent Magnets and Intermetallic Compounds
ATE26360T1 (de) Samarium-kobalt-magnetlegierung.
US5055146A (en) Permanent magnet alloy
Ponomareva et al. Temperature Coefficients of Induction and Magnetic Properties of Sm sub x(R, Gd) sub 1--x Co sub 5(R= Tb, Dy, Ho, Tm) Alloys
Wu et al. Rare Earth--Cobalt Permanent Magnet of the Type Nd sub x Sm sub 0. 5--x Ce sub 0. 5(Co sub 0. 824 Cu sub 0. 118 Mn sub 0. 059) sub 6. 8.(Retroactive Coverage)
Ghandehari Rare Earth--Iron--Boron Permanent Magnets Production
Kojima New High-Quality Permanent Magnet for Rotor--Anisotropic Manganese--Aluminum Magnet
JPS57131338A (en) Permanent magnet alloy with low irreversible demagnetizability
Martin et al. Squareness Ratio for Various Rare Earth Permanent Magnets.(Retroactive Coverage)
Herget Current Patent Situation in the Field of the New Permanent Magnet Material NdFeB.(Retroactive Coverage)
Cadieu Optimization of film synthesized rare earth transition metal permanent magnet systems. Progress report, August 1, 1990-March 1991
Deryagin et al. Nature of the magnetic anisotropy of the rare earth subsystem in intermetallic(R-Co) compounds.
JPS556431A (en) Permanent magnet alloy

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed