CA1030367A - Permanent magnet material of samarium, cobalt, copper and iron, and method of production - Google Patents
Permanent magnet material of samarium, cobalt, copper and iron, and method of productionInfo
- Publication number
- CA1030367A CA1030367A CA240,976A CA240976A CA1030367A CA 1030367 A CA1030367 A CA 1030367A CA 240976 A CA240976 A CA 240976A CA 1030367 A CA1030367 A CA 1030367A
- Authority
- CA
- Canada
- Prior art keywords
- samarium
- cobalt
- iron
- copper
- production
- 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
Links
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1687874A CH601484A5 (US07902200-20110308-C00004.png) | 1974-12-18 | 1974-12-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1030367A true CA1030367A (en) | 1978-05-02 |
Family
ID=4421017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA240,976A Expired CA1030367A (en) | 1974-12-18 | 1975-12-03 | Permanent magnet material of samarium, cobalt, copper and iron, and method of production |
Country Status (8)
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH601481A5 (US07902200-20110308-C00004.png) * | 1975-05-05 | 1978-07-14 | Far Fab Assortiments Reunies | |
JPS54104408A (en) * | 1978-02-03 | 1979-08-16 | Namiki Precision Jewel Co Ltd | Rare earthhcobalt base permanent magnet alloy |
US4172717A (en) * | 1978-04-04 | 1979-10-30 | Hitachi Metals, Ltd. | Permanent magnet alloy |
US4174966A (en) * | 1978-12-15 | 1979-11-20 | The United States Of America As Represented By The Secretary Of The Interior | High coercive force rare earth metal-cobalt magnets containing copper and magnesium |
EP0018942B1 (en) * | 1979-04-12 | 1984-07-04 | Les Fabriques d'Assortiments Réunies | Ductile magnetic alloys, method of making same and magnetic body |
DE3071376D1 (en) * | 1979-04-18 | 1986-03-13 | Namiki Precision Jewel Co Ltd | Process for producing permanent magnet alloy |
JPS5810454B2 (ja) * | 1980-02-07 | 1983-02-25 | 住友特殊金属株式会社 | 永久磁石合金 |
JPS5822350A (ja) * | 1981-08-04 | 1983-02-09 | Seiko Epson Corp | 希土類永久磁石 |
JPS5822351A (ja) * | 1981-08-04 | 1983-02-09 | Seiko Epson Corp | 希土類永久磁石 |
JPS5822349A (ja) * | 1981-08-04 | 1983-02-09 | Seiko Epson Corp | 希土類永久磁石 |
US6003597A (en) * | 1998-05-16 | 1999-12-21 | Newman; Frederic M. | Directional coupling sensor for ensuring complete perforation of a wellbore casing |
CA2570181A1 (en) * | 2004-06-15 | 2005-12-29 | Construction Research & Technology Gmbh | Providing freezing and thawing resistance to cementitious compositions |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3424578A (en) * | 1967-06-05 | 1969-01-28 | Us Air Force | Method of producing permanent magnets of rare earth metals containing co,or mixtures of co,fe and mn |
US3560200A (en) * | 1968-04-01 | 1971-02-02 | Bell Telephone Labor Inc | Permanent magnetic materials |
BE728414A (US07902200-20110308-C00004.png) * | 1968-04-01 | 1969-07-16 | ||
US3655464A (en) * | 1970-04-30 | 1972-04-11 | Gen Electric | Process of preparing a liquid sintered cobalt-rare earth intermetallic product |
US3844850A (en) * | 1972-04-17 | 1974-10-29 | Gen Electric | Large grain cobalt-samarium intermetallic permanent magnet material and process |
FR2217430B1 (US07902200-20110308-C00004.png) * | 1973-02-09 | 1976-10-08 | Matsushita Electric Ind Co Ltd |
-
1974
- 1974-12-18 CH CH1687874A patent/CH601484A5/xx not_active IP Right Cessation
-
1975
- 1975-02-19 DE DE2507105A patent/DE2507105C2/de not_active Expired
- 1975-10-31 GB GB49369/77A patent/GB1523712A/en not_active Expired
- 1975-10-31 GB GB45534/75A patent/GB1523460A/en not_active Expired
- 1975-12-02 US US05/637,057 patent/US4082582A/en not_active Expired - Lifetime
- 1975-12-03 CA CA240,976A patent/CA1030367A/en not_active Expired
- 1975-12-16 NL NL7514614A patent/NL7514614A/xx active Search and Examination
- 1975-12-16 FR FR7538535A patent/FR2295541A1/fr active Granted
- 1975-12-16 JP JP50150096A patent/JPS5186791A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
NL7514614A (nl) | 1976-06-22 |
JPS5186791A (en) | 1976-07-29 |
US4082582A (en) | 1978-04-04 |
GB1523712A (en) | 1978-09-06 |
FR2295541B1 (US07902200-20110308-C00004.png) | 1982-02-05 |
DE2507105A1 (de) | 1976-07-01 |
DE2507105C2 (de) | 1984-07-26 |
FR2295541A1 (fr) | 1976-07-16 |
GB1523460A (en) | 1978-08-31 |
CH601484A5 (US07902200-20110308-C00004.png) | 1978-07-14 |
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