DE3750367D1 - Dauermagnet und sein Herstellungsverfahren. - Google Patents
Dauermagnet und sein Herstellungsverfahren.Info
- Publication number
- DE3750367D1 DE3750367D1 DE3750367T DE3750367T DE3750367D1 DE 3750367 D1 DE3750367 D1 DE 3750367D1 DE 3750367 T DE3750367 T DE 3750367T DE 3750367 T DE3750367 T DE 3750367T DE 3750367 D1 DE3750367 D1 DE 3750367D1
- Authority
- DE
- Germany
- Prior art keywords
- permanent magnet
- manufacturing process
- magnet
- anisotropic
- boron
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
-
- 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
- H01F1/0576—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 pressed, e.g. hot working
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
- H01F41/0273—Imparting anisotropy
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
- Magnetic Treatment Devices (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62104622A JP2611221B2 (ja) | 1986-05-01 | 1987-04-30 | 永久磁石の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3750367D1 true DE3750367D1 (de) | 1994-09-15 |
DE3750367T2 DE3750367T2 (de) | 1994-12-08 |
Family
ID=14385541
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3750367T Expired - Lifetime DE3750367T2 (de) | 1987-04-30 | 1987-09-28 | Dauermagnet und sein Herstellungsverfahren. |
DE3752160T Expired - Lifetime DE3752160T2 (de) | 1987-04-30 | 1987-09-28 | Magnetische Legierung und Herstellungsverfahren |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3752160T Expired - Lifetime DE3752160T2 (de) | 1987-04-30 | 1987-09-28 | Magnetische Legierung und Herstellungsverfahren |
Country Status (4)
Country | Link |
---|---|
US (1) | US5076861A (de) |
EP (1) | EP0288637B1 (de) |
AT (2) | ATE162001T1 (de) |
DE (2) | DE3750367T2 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5460662A (en) * | 1987-04-30 | 1995-10-24 | Seiko Epson Corporation | Permanent magnet and method of production |
US5186761A (en) * | 1987-04-30 | 1993-02-16 | Seiko Epson Corporation | Magnetic alloy and method of production |
ATE167239T1 (de) * | 1992-02-15 | 1998-06-15 | Santoku Metal Ind | Legierungsblock für einen dauermagnet, anisotropes pulver für einen dauermagnet, verfahren zur herstellung eines solchen und dauermagneten |
JP3932143B2 (ja) * | 1992-02-21 | 2007-06-20 | Tdk株式会社 | 磁石の製造方法 |
EP1073069A1 (de) * | 1993-11-02 | 2001-01-31 | TDK Corporation | Herstellung eines Dauermagnets |
EP1180772B1 (de) * | 2000-08-11 | 2011-01-12 | Nissan Motor Company Limited | Anisotroper Magnet und zugehöriges Herstellungsverfahren |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57100705A (en) * | 1980-12-16 | 1982-06-23 | Seiko Epson Corp | Permanent magnet |
JPS5947017B2 (ja) * | 1981-01-24 | 1984-11-16 | 財団法人電気磁気材料研究所 | 磁気録音および再生ヘツド用磁性合金ならびにその製造法 |
CA1315571C (en) * | 1982-08-21 | 1993-04-06 | Masato Sagawa | Magnetic materials and permanent magnets |
DE3379131D1 (en) * | 1982-09-03 | 1989-03-09 | Gen Motors Corp | Re-tm-b alloys, method for their production and permanent magnets containing such alloys |
EP0125347B1 (de) * | 1983-05-06 | 1990-04-18 | Sumitomo Special Metals Co., Ltd. | Isotrope Magneten und Verfahren zu ihrer Herstellung |
US4902361A (en) * | 1983-05-09 | 1990-02-20 | General Motors Corporation | Bonded rare earth-iron magnets |
CA1216623A (en) * | 1983-05-09 | 1987-01-13 | John J. Croat | Bonded rare earth-iron magnets |
US4597938A (en) * | 1983-05-21 | 1986-07-01 | Sumitomo Special Metals Co., Ltd. | Process for producing permanent magnet materials |
JPS6032306A (ja) * | 1983-08-02 | 1985-02-19 | Sumitomo Special Metals Co Ltd | 永久磁石 |
CA1236381A (en) * | 1983-08-04 | 1988-05-10 | Robert W. Lee | Iron-rare earth-boron permanent magnets by hot working |
JPS6063304A (ja) * | 1983-09-17 | 1985-04-11 | Sumitomo Special Metals Co Ltd | 希土類・ボロン・鉄系永久磁石用合金粉末の製造方法 |
JPS6076108A (ja) * | 1983-10-03 | 1985-04-30 | Sumitomo Special Metals Co Ltd | 磁気回路 |
JPS60152008A (ja) * | 1984-01-20 | 1985-08-10 | Tdk Corp | 永久磁石用材料 |
JPS60162750A (ja) * | 1984-02-01 | 1985-08-24 | Nippon Gakki Seizo Kk | 希土類磁石およびその製法 |
JPS60218457A (ja) * | 1984-04-12 | 1985-11-01 | Seiko Epson Corp | 永久磁石合金 |
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 |
JPS61268006A (ja) * | 1985-05-23 | 1986-11-27 | Tdk Corp | 異方性磁石 |
FR2586323B1 (fr) * | 1985-08-13 | 1992-11-13 | Seiko Epson Corp | Aimant permanent a base de terres rares-fer |
JP2558095B2 (ja) * | 1986-02-26 | 1996-11-27 | セイコーエプソン株式会社 | 希土類一鉄系永久磁石の製造方法 |
JPS6318604A (ja) * | 1986-07-11 | 1988-01-26 | Namiki Precision Jewel Co Ltd | 樹脂結合永久磁石およびその製造方法 |
JP2664159B2 (ja) * | 1987-09-21 | 1997-10-15 | 株式会社日立製作所 | アーマロッドの巻付装置 |
JPS6481604A (en) * | 1987-09-22 | 1989-03-27 | Toshiba Corp | Line breaker |
US4834812A (en) * | 1987-11-02 | 1989-05-30 | Union Oil Company Of California | Method for producing polymer-bonded magnets from rare earth-iron-boron compositions |
JP2869462B2 (ja) * | 1989-02-01 | 1999-03-10 | 株式会社ハッコー | 光ケーブル布設工法 |
JPH03213320A (ja) * | 1990-01-18 | 1991-09-18 | Fanuc Ltd | 電動式射出成形機の射出装置 |
-
1987
- 1987-09-28 EP EP87308559A patent/EP0288637B1/de not_active Expired - Lifetime
- 1987-09-28 DE DE3750367T patent/DE3750367T2/de not_active Expired - Lifetime
- 1987-09-28 DE DE3752160T patent/DE3752160T2/de not_active Expired - Lifetime
- 1987-09-28 AT AT94101456T patent/ATE162001T1/de not_active IP Right Cessation
- 1987-09-28 AT AT87308559T patent/ATE109921T1/de not_active IP Right Cessation
-
1991
- 1991-01-07 US US07/638,014 patent/US5076861A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0288637B1 (de) | 1994-08-10 |
DE3752160D1 (de) | 1998-02-12 |
US5076861A (en) | 1991-12-31 |
ATE109921T1 (de) | 1994-08-15 |
DE3752160T2 (de) | 1998-04-16 |
EP0288637A2 (de) | 1988-11-02 |
DE3750367T2 (de) | 1994-12-08 |
ATE162001T1 (de) | 1998-01-15 |
EP0288637A3 (en) | 1989-08-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |