CA1315571C - Materiaux magnetiques et aimants permanents - Google Patents
Materiaux magnetiques et aimants permanentsInfo
- Publication number
- CA1315571C CA1315571C CA000433188A CA433188A CA1315571C CA 1315571 C CA1315571 C CA 1315571C CA 000433188 A CA000433188 A CA 000433188A CA 433188 A CA433188 A CA 433188A CA 1315571 C CA1315571 C CA 1315571C
- Authority
- CA
- Canada
- Prior art keywords
- permanent magnet
- less
- percent
- rare earth
- amount
- 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
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
- 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
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)
Applications Claiming Priority (15)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP145072/1982 | 1982-08-21 | ||
JP166663/1982 | 1982-09-27 | ||
JP57166663A JPS5964733A (ja) | 1982-09-27 | 1982-09-27 | 永久磁石 |
JP5813/1983 | 1983-01-19 | ||
JP58005813A JPS59132104A (ja) | 1983-01-19 | 1983-01-19 | 永久磁石 |
JP58037899A JPS59163805A (ja) | 1983-03-08 | 1983-03-08 | 永久磁石用合金 |
JP58037897A JPS59163803A (ja) | 1983-03-08 | 1983-03-08 | 永久磁石用合金 |
JP37897/1983 | 1983-03-08 | ||
JP37899/1983 | 1983-03-08 | ||
JP58084858A JPS59211551A (ja) | 1983-05-14 | 1983-05-14 | 永久磁石材料 |
JP58084860A JPS59211559A (ja) | 1983-05-14 | 1983-05-14 | 永久磁石材料 |
JP84858/1983 | 1983-05-14 | ||
JP84860/1983 | 1983-05-14 | ||
JP58094876A JPH0778269B2 (ja) | 1983-05-31 | 1983-05-31 | 永久磁石用希土類・鉄・ボロン系正方晶化合物 |
JP94876/1983 | 1983-05-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1315571C true CA1315571C (fr) | 1993-04-06 |
Family
ID=27563323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000433188A Expired - Lifetime CA1315571C (fr) | 1982-08-21 | 1983-07-26 | Materiaux magnetiques et aimants permanents |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0106948B1 (fr) |
CA (1) | CA1315571C (fr) |
DE (1) | DE3379084D1 (fr) |
HK (1) | HK68490A (fr) |
SG (1) | SG48390G (fr) |
Families Citing this family (66)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4792368A (en) * | 1982-08-21 | 1988-12-20 | Sumitomo Special Metals Co., Ltd. | Magnetic materials and permanent magnets |
CA1316375C (fr) * | 1982-08-21 | 1993-04-20 | Masato Sagawa | Materiaux magnetiques et aimants permanents |
EP0125347B1 (fr) * | 1983-05-06 | 1990-04-18 | Sumitomo Special Metals Co., Ltd. | Aimants isotropes et procédé pour leur fabrication |
US4840684A (en) * | 1983-05-06 | 1989-06-20 | Sumitomo Special Metals Co, Ltd. | Isotropic permanent magnets and process for producing same |
JPS6032306A (ja) * | 1983-08-02 | 1985-02-19 | Sumitomo Special Metals Co Ltd | 永久磁石 |
JPS6034005A (ja) * | 1983-08-04 | 1985-02-21 | Sumitomo Special Metals Co Ltd | 永久磁石 |
DE3479940D1 (en) * | 1983-10-26 | 1989-11-02 | Gen Motors Corp | High energy product rare earth-transition metal magnet alloys containing boron |
EP0338597B1 (fr) * | 1984-02-28 | 1995-01-11 | Sumitomo Special Metals Co., Ltd. | Aimants permanents |
CA1235631A (fr) * | 1984-02-28 | 1988-04-26 | Hitoshi Yamamoto | Production d'aimants permanents, et produits ainsi obtenus |
US5529854A (en) * | 1984-09-12 | 1996-06-25 | Seiko Epson Corporation | Magneto-optic recording systems |
US5100741A (en) * | 1984-09-12 | 1992-03-31 | Seiko Epson Corporation | Magneto-optic recording systems |
DE3577618D1 (de) * | 1984-09-14 | 1990-06-13 | Toshiba Kawasaki Kk | Permanentmagnetische legierung und methode zu ihrer herstellung. |
US4767450A (en) * | 1984-11-27 | 1988-08-30 | Sumitomo Special Metals Co., Ltd. | Process for producing the rare earth alloy powders |
US4765848A (en) * | 1984-12-31 | 1988-08-23 | Kaneo Mohri | Permanent magnent and method for producing same |
USRE34838E (en) * | 1984-12-31 | 1995-01-31 | Tdk Corporation | Permanent magnet and method for producing same |
NL8500534A (nl) * | 1985-02-26 | 1986-09-16 | Philips Nv | Magnetisch materiaal bevattende een intermetallische verbinding van het zeldzame aarden-overgangsmetaal type. |
JPH0789521B2 (ja) * | 1985-03-28 | 1995-09-27 | 株式会社東芝 | 希土類鉄系永久磁石 |
US4588439A (en) * | 1985-05-20 | 1986-05-13 | Crucible Materials Corporation | Oxygen containing permanent magnet alloy |
US4933009A (en) * | 1985-06-14 | 1990-06-12 | Union Oil Company Of California | Composition for preparing rare earth-iron-boron-permanent magnets |
US4762574A (en) * | 1985-06-14 | 1988-08-09 | Union Oil Company Of California | Rare earth-iron-boron premanent magnets |
US4952252A (en) * | 1985-06-14 | 1990-08-28 | Union Oil Company Of California | Rare earth-iron-boron-permanent magnets |
FR2586323B1 (fr) * | 1985-08-13 | 1992-11-13 | Seiko Epson Corp | Aimant permanent a base de terres rares-fer |
US5538565A (en) * | 1985-08-13 | 1996-07-23 | Seiko Epson Corporation | Rare earth cast alloy permanent magnets and methods of preparation |
US6136099A (en) * | 1985-08-13 | 2000-10-24 | Seiko Epson Corporation | Rare earth-iron series permanent magnets and method of preparation |
US4859254A (en) * | 1985-09-10 | 1989-08-22 | Kabushiki Kaisha Toshiba | Permanent magnet |
JPS62165305A (ja) * | 1986-01-16 | 1987-07-21 | Hitachi Metals Ltd | 熱安定性良好な永久磁石およびその製造方法 |
JPH07105289B2 (ja) * | 1986-03-06 | 1995-11-13 | 信越化学工業株式会社 | 希土類永久磁石の製造方法 |
US4769063A (en) * | 1986-03-06 | 1988-09-06 | Sumitomo Special Metals Co., Ltd. | Method for producing rare earth alloy |
JP2530641B2 (ja) * | 1986-03-20 | 1996-09-04 | 日立金属株式会社 | 磁気異方性ボンド磁石、それに用いる磁粉及びその製造方法 |
US4954186A (en) * | 1986-05-30 | 1990-09-04 | Union Oil Company Of California | Rear earth-iron-boron permanent magnets containing aluminum |
US4747874A (en) * | 1986-05-30 | 1988-05-31 | Union Oil Company Of California | Rare earth-iron-boron permanent magnets with enhanced coercivity |
US4878958A (en) * | 1986-05-30 | 1989-11-07 | Union Oil Company Of California | Method for preparing rare earth-iron-boron permanent magnets |
DE3786426T2 (de) * | 1986-06-12 | 1993-12-09 | Toshiba Kawasaki Kk | Dauermagnet und Dauermagnetlegierung. |
US5041171A (en) * | 1986-07-18 | 1991-08-20 | U.S. Philips Corporation | Hard magnetic material |
DE3783413T2 (de) * | 1986-09-16 | 1993-05-27 | Tokin Corp | Verfahren zur herstellung eines seltenerd-eisen-bor-dauermagneten mit hilfe eines abgeschreckten legierungspuders. |
US4983232A (en) * | 1987-01-06 | 1991-01-08 | Hitachi Metals, Ltd. | Anisotropic magnetic powder and magnet thereof and method of producing same |
KR900006533B1 (ko) * | 1987-01-06 | 1990-09-07 | 히다찌 긴조꾸 가부시끼가이샤 | 이방성 자성분말과 이의 자석 및 이의 제조방법 |
US4902360A (en) * | 1987-02-04 | 1990-02-20 | Crucible Materials Corporation | Permanent magnet alloy for elevated temperature applications |
US4942098A (en) * | 1987-03-26 | 1990-07-17 | Sumitomo Special Metals, Co., Ltd. | Corrosion resistant permanent magnet |
GB8707905D0 (en) * | 1987-04-02 | 1987-05-07 | Univ Birmingham | Magnets |
KR880013194A (ko) * | 1987-04-06 | 1988-11-30 | 원본미기재 | 영구자석 및 그 제조방법 |
US5186761A (en) * | 1987-04-30 | 1993-02-16 | Seiko Epson Corporation | Magnetic alloy and method of production |
ATE109921T1 (de) * | 1987-04-30 | 1994-08-15 | Seiko Epson Corp | Dauermagnet und sein herstellungsverfahren. |
US5460662A (en) * | 1987-04-30 | 1995-10-24 | Seiko Epson Corporation | Permanent magnet and method of production |
US5015304A (en) * | 1987-05-11 | 1991-05-14 | Union Oil Company Of California | Rare earth-iron-boron sintered magnets |
US5022939A (en) * | 1987-07-30 | 1991-06-11 | Tdk Corporation | Permanent magnets |
JPH01103805A (ja) * | 1987-07-30 | 1989-04-20 | Tdk Corp | 永久磁石 |
JPS6472502A (en) * | 1987-09-11 | 1989-03-17 | Hitachi Metals Ltd | Permanent magnet for accelerating particle beam |
EP0386286B1 (fr) * | 1987-09-17 | 1995-10-18 | Shin-Etsu Chemical Co., Ltd. | Aimant permanent à base de métal de terre rare et de fer |
US4892596A (en) * | 1988-02-23 | 1990-01-09 | Eastman Kodak Company | Method of making fully dense anisotropic high energy magnets |
US5000796A (en) * | 1988-02-23 | 1991-03-19 | Eastman Kodak Company | Anisotropic high energy magnets and a process of preparing the same |
US4985085A (en) * | 1988-02-23 | 1991-01-15 | Eastman Kodak Company | Method of making anisotropic magnets |
JP2741508B2 (ja) * | 1988-02-29 | 1998-04-22 | 住友特殊金属株式会社 | 磁気異方性焼結磁石とその製造方法 |
US5000800A (en) * | 1988-06-03 | 1991-03-19 | Masato Sagawa | Permanent magnet and method for producing the same |
JPH0283905A (ja) * | 1988-09-20 | 1990-03-26 | Sumitomo Special Metals Co Ltd | 耐食性永久磁石およびその製造方法 |
JP2843379B2 (ja) * | 1988-10-04 | 1999-01-06 | 日立金属株式会社 | 等方性耐熱ボンド磁石およびその製造方法ならびにそれを用いる磁粉、それを用いたpm型モータ |
DE3928389A1 (de) * | 1989-08-28 | 1991-03-14 | Schramberg Magnetfab | Permanentmagnet |
JPH0391205A (ja) * | 1989-09-01 | 1991-04-16 | Matsushita Electric Ind Co Ltd | 異方性永久磁石 |
US5201963A (en) * | 1989-10-26 | 1993-04-13 | Nippon Steel Corporation | Rare earth magnets and method of producing same |
ES2077236T3 (es) * | 1990-07-16 | 1995-11-16 | Aura Systems Inc | Material magnetico. |
US5478411A (en) * | 1990-12-21 | 1995-12-26 | Provost, Fellows And Scholars Of The College Of The Holy And Undivided Trinity Of Queen Elizabeth Near Dublin | Magnetic materials and processes for their production |
DE69916764T2 (de) * | 1998-12-15 | 2005-03-31 | Shin-Etsu Chemical Co., Ltd. | Auf Seltenerd/Eisen/Bor basierte Legierung für Dauermagnet |
US6833036B2 (en) * | 2001-06-29 | 2004-12-21 | Tdk Corporation | Rare earth permanent magnet |
US6955729B2 (en) * | 2002-04-09 | 2005-10-18 | Aichi Steel Corporation | Alloy for bonded magnets, isotropic magnet powder and anisotropic magnet powder and their production method, and bonded magnet |
WO2005123974A1 (fr) | 2004-06-22 | 2005-12-29 | Shin-Etsu Chemical Co., Ltd. | Matériau magnétique permanent de terre rare à base R-Fe-B |
CN103668007B (zh) * | 2013-12-19 | 2015-08-19 | 南京信息工程大学 | 一种具有高饱和磁感应强度微晶合金薄带及制备方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5250598A (en) * | 1975-10-20 | 1977-04-22 | Seiko Instr & Electronics Ltd | Rare earth-cobalt magnet |
JPS55132004A (en) * | 1979-04-02 | 1980-10-14 | Seiko Instr & Electronics Ltd | Manufacture of rare earth metal and cobalt magnet |
JPS5647538A (en) * | 1979-09-27 | 1981-04-30 | Hitachi Metals Ltd | Alloy for permanent magnet |
JPS57141901A (en) * | 1981-02-26 | 1982-09-02 | Mitsubishi Steel Mfg Co Ltd | Permanent magnet powder |
CA1316375C (fr) * | 1982-08-21 | 1993-04-20 | Masato Sagawa | Materiaux magnetiques et aimants permanents |
EP0108474B2 (fr) * | 1982-09-03 | 1995-06-21 | General Motors Corporation | Alliages de RE-TM-B, procédé de production et aimants permanents contenant tels alliages |
-
1983
- 1983-07-26 CA CA000433188A patent/CA1315571C/fr not_active Expired - Lifetime
- 1983-07-26 EP EP83107351A patent/EP0106948B1/fr not_active Expired
- 1983-07-26 DE DE8383107351T patent/DE3379084D1/de not_active Expired
-
1990
- 1990-07-02 SG SG48390A patent/SG48390G/en unknown
- 1990-08-30 HK HK68490A patent/HK68490A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0106948A2 (fr) | 1984-05-02 |
SG48390G (en) | 1991-02-14 |
EP0106948B1 (fr) | 1989-01-25 |
EP0106948A3 (en) | 1985-03-13 |
HK68490A (en) | 1990-09-07 |
DE3379084D1 (en) | 1989-03-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |