CA2044171C - Corrosion-resistant rare earth metal-transition metal series magnets and method of producing the same - Google Patents
Corrosion-resistant rare earth metal-transition metal series magnets and method of producing the same Download PDFInfo
- Publication number
- CA2044171C CA2044171C CA002044171A CA2044171A CA2044171C CA 2044171 C CA2044171 C CA 2044171C CA 002044171 A CA002044171 A CA 002044171A CA 2044171 A CA2044171 A CA 2044171A CA 2044171 C CA2044171 C CA 2044171C
- Authority
- CA
- Canada
- Prior art keywords
- phase
- series
- re2tm14b
- permanent magnet
- mixture
- 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
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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP263,946/89 | 1989-10-12 | ||
JP26394689 | 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 CA2044171A1 (en) | 1991-04-13 |
CA2044171C true CA2044171C (en) | 2000-12-12 |
Family
ID=27335262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002044171A Expired - Fee Related CA2044171C (en) | 1989-10-12 | 1990-10-11 | Corrosion-resistant rare earth metal-transition metal series magnets and method of producing the same |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0447567B1 (ko) |
JP (1) | JP2675430B2 (ko) |
KR (1) | KR960013029B1 (ko) |
CA (1) | CA2044171C (ko) |
DE (1) | DE69027201T2 (ko) |
WO (1) | WO1991006107A1 (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5405455A (en) * | 1991-06-04 | 1995-04-11 | Shin-Etsu Chemical Co. Ltd. | Rare earth-based permanent magnet |
DE69202515T2 (de) * | 1991-06-04 | 1995-09-21 | Shinetsu Chemical Co | Verfahren zur Herstellung von zweiphasigen Dauermagneten auf der Basis von Seltenen Erden. |
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 (en) * | 1992-08-13 | 1997-02-05 | Koninklijke Philips Electronics N.V. | 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 (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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
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 |
-
1990
- 1990-10-09 JP JP2269635A patent/JP2675430B2/ja not_active Expired - Lifetime
- 1990-10-11 DE DE69027201T patent/DE69027201T2/de not_active Expired - Fee Related
- 1990-10-11 KR KR1019910700606A patent/KR960013029B1/ko not_active IP Right Cessation
- 1990-10-11 WO PCT/JP1990/001315 patent/WO1991006107A1/ja active IP Right Grant
- 1990-10-11 CA CA002044171A patent/CA2044171C/en not_active Expired - Fee Related
- 1990-10-11 EP EP90914967A patent/EP0447567B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69027201T2 (de) | 1996-10-10 |
EP0447567B1 (en) | 1996-05-29 |
JPH03250607A (ja) | 1991-11-08 |
CA2044171A1 (en) | 1991-04-13 |
JP2675430B2 (ja) | 1997-11-12 |
KR920701999A (ko) | 1992-08-12 |
WO1991006107A1 (fr) | 1991-05-02 |
DE69027201D1 (de) | 1996-07-04 |
EP0447567A1 (en) | 1991-09-25 |
EP0447567A4 (en) | 1992-05-20 |
KR960013029B1 (ko) | 1996-09-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |