DE3668514D1 - Seltenerd-eisen-bor-dauermagnet. - Google Patents
Seltenerd-eisen-bor-dauermagnet.Info
- Publication number
- DE3668514D1 DE3668514D1 DE8686302266T DE3668514T DE3668514D1 DE 3668514 D1 DE3668514 D1 DE 3668514D1 DE 8686302266 T DE8686302266 T DE 8686302266T DE 3668514 T DE3668514 T DE 3668514T DE 3668514 D1 DE3668514 D1 DE 3668514D1
- Authority
- DE
- Germany
- Prior art keywords
- rare earth
- earth iron
- magnet
- iron boring
- boring magnet
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60061837A JPH0789521B2 (ja) | 1985-03-28 | 1985-03-28 | 希土類鉄系永久磁石 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3668514D1 true DE3668514D1 (de) | 1990-03-01 |
Family
ID=13182603
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686302266T Expired - Lifetime DE3668514D1 (de) | 1985-03-28 | 1986-03-26 | Seltenerd-eisen-bor-dauermagnet. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5071493A (de) |
EP (1) | EP0197712B1 (de) |
JP (1) | JPH0789521B2 (de) |
DE (1) | DE3668514D1 (de) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4859254A (en) * | 1985-09-10 | 1989-08-22 | Kabushiki Kaisha Toshiba | Permanent magnet |
EP0261579B1 (de) * | 1986-09-16 | 1993-01-07 | Tokin Corporation | Verfahren zur Herstellung eines Seltenerd-Eisen-Bor-Dauermagneten mit Hilfe eines abgeschreckten Legierungspuders |
US4881986A (en) * | 1986-11-26 | 1989-11-21 | Tokin Corporation | Method for producing a rare earth metal-iron-boron anisotropic sintered magnet from rapidly-quenched rare earth metal-iron-boron alloy ribbon-like flakes |
WO1988004098A1 (en) * | 1986-11-26 | 1988-06-02 | Tokin Corporation | A method for producing a rare earth metal-iron-boron anisotropic sintered magnet from rapidly-quenched rare earth metal-iron-boron alloy ribbon-like flakes |
US4806155A (en) * | 1987-07-15 | 1989-02-21 | Crucible Materials Corporation | Method for producing dysprosium-iron-boron alloy powder |
JPH01103805A (ja) * | 1987-07-30 | 1989-04-20 | Tdk Corp | 永久磁石 |
US5022939A (en) * | 1987-07-30 | 1991-06-11 | Tdk Corporation | Permanent magnets |
JPS6448406A (en) * | 1987-08-19 | 1989-02-22 | Mitsubishi Metal Corp | Magnet powder for sintering rare earth-iron-boron and manufacture thereof |
JPS6448403A (en) * | 1987-08-19 | 1989-02-22 | Mitsubishi Metal Corp | Rare earth-iron-boron magnet powder and manufacture thereof |
JPS6448405A (en) * | 1987-08-19 | 1989-02-22 | Mitsubishi Metal Corp | Manufacture of rare earth-iron-boron magnet |
DE3729361A1 (de) * | 1987-09-02 | 1989-03-16 | Max Planck Gesellschaft | Optimierung der gefuegestruktur des fe-nd-b-basis sintermagneten |
JPH023209A (ja) * | 1988-06-20 | 1990-01-08 | Seiko Epson Corp | 永久磁石およびその製造方法 |
IE891581A1 (en) * | 1988-06-20 | 1991-01-02 | Seiko Epson Corp | Permanent magnet and a manufacturing method thereof |
JP2987705B2 (ja) * | 1988-11-01 | 1999-12-06 | 株式会社トーキン | 耐酸化性に優れた希土類永久磁石 |
US5290509A (en) * | 1990-01-22 | 1994-03-01 | Sanyo Electric Co., Ltd. | Multiphase hydrogen-absorbing alloy electrode for an alkaline storage cell |
DE4027598C2 (de) * | 1990-06-30 | 1997-09-11 | Vacuumschmelze Gmbh | Dauermagnet des Typs SE-Fe-B und Verfahren zu seiner Herstellung |
US5300156A (en) * | 1990-07-24 | 1994-04-05 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Bonded rare earth magnet and a process for manufacturing the same |
US5240627A (en) * | 1990-07-24 | 1993-08-31 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Bonded rare earth magnet and a process for manufacturing the same |
EP0468449B1 (de) * | 1990-07-24 | 1994-03-16 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Gebundener Seltenerdmagnet und Verfahren zur Herstellung |
JPH04184901A (ja) * | 1990-11-20 | 1992-07-01 | Shin Etsu Chem Co Ltd | 希土類鉄系永久磁石およびその製造方法 |
US5403408A (en) * | 1992-10-19 | 1995-04-04 | Inland Steel Company | Non-uniaxial permanent magnet material |
DE69434323T2 (de) * | 1993-11-02 | 2006-03-09 | Tdk Corp. | Preparation d'un aimant permanent |
DE69707185T2 (de) * | 1996-04-10 | 2002-06-27 | Showa Denko Kk | Gusslegierung für die Herstellung von Dauermagneten mit seltenen Erden und Verfahren zur Herstellung dieser Legierung und dieser Dauermagneten |
US6332933B1 (en) | 1997-10-22 | 2001-12-25 | Santoku Corporation | Iron-rare earth-boron-refractory metal magnetic nanocomposites |
DE69935231T2 (de) | 1998-07-13 | 2007-12-20 | Santoku Corp., Kobe | Leistungsfähige magnetische Materalien, die Eisen, Seltenerdmetalle, Bor, schwer schmelzende Metalle und Kobalt einschließen |
US6319335B1 (en) * | 1999-02-15 | 2001-11-20 | Shin-Etsu Chemical Co., Ltd. | Quenched thin ribbon of rare earth/iron/boron-based magnet alloy |
US7195661B2 (en) * | 1999-03-05 | 2007-03-27 | Pioneer Metals And Technology, Inc. | Magnetic material |
US6524399B1 (en) | 1999-03-05 | 2003-02-25 | Pioneer Metals And Technology, Inc. | Magnetic material |
DE60028659T2 (de) * | 1999-06-08 | 2007-05-31 | Shin-Etsu Chemical Co., Ltd. | Dünnes Band einer dauermagnetischen Legierung auf Seltenerdbasis |
US6589367B2 (en) | 1999-06-14 | 2003-07-08 | Shin-Etsu Chemical Co., Ltd. | Anisotropic rare earth-based permanent magnet material |
KR100562681B1 (ko) | 2000-05-24 | 2006-03-23 | 가부시키가이샤 네오맥스 | 복수의 강자성상을 포함하는 영구자석 및 그 제조방법 |
US7217328B2 (en) | 2000-11-13 | 2007-05-15 | Neomax Co., Ltd. | Compound for rare-earth bonded magnet and bonded magnet using the compound |
CN1212626C (zh) | 2001-05-15 | 2005-07-27 | 株式会社新王磁材 | 铁基稀土合金纳米复合磁体及其制造方法 |
JP4055709B2 (ja) | 2001-07-31 | 2008-03-05 | 日立金属株式会社 | アトマイズ法によるナノコンポジット磁石の製造方法 |
ATE335280T1 (de) | 2001-11-22 | 2006-08-15 | Neomax Co Ltd | Nanozusammensetzungsmagnet |
US7192493B2 (en) * | 2002-09-30 | 2007-03-20 | Tdk Corporation | R-T-B system rare earth permanent magnet and compound for magnet |
US7255752B2 (en) * | 2003-03-28 | 2007-08-14 | Tdk Corporation | Method for manufacturing R-T-B system rare earth permanent magnet |
JP5555896B2 (ja) * | 2009-05-26 | 2014-07-23 | 公立大学法人大阪府立大学 | 焼結磁石の製造方法 |
US8821650B2 (en) | 2009-08-04 | 2014-09-02 | The Boeing Company | Mechanical improvement of rare earth permanent magnets |
WO2014156181A1 (ja) * | 2013-03-29 | 2014-10-02 | 中央電気工業株式会社 | R-t-b系磁石用原料合金およびその製造方法 |
CN103996520B (zh) * | 2014-05-11 | 2016-10-05 | 沈阳中北通磁科技股份有限公司 | 一种钕铁硼稀土永磁体的烧结方法和设备 |
CN113046609A (zh) * | 2016-12-16 | 2021-06-29 | 包头稀土研究院 | 钇铁合金 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1315571C (en) * | 1982-08-21 | 1993-04-06 | Masato Sagawa | Magnetic materials and permanent magnets |
CA1316375C (en) * | 1982-08-21 | 1993-04-20 | Masato Sagawa | Magnetic materials and permanent magnets |
US4597938A (en) * | 1983-05-21 | 1986-07-01 | Sumitomo Special Metals Co., Ltd. | Process for producing permanent magnet materials |
US4601875A (en) * | 1983-05-25 | 1986-07-22 | Sumitomo Special Metals Co., Ltd. | Process for producing magnetic materials |
JPS6017905A (ja) * | 1983-07-08 | 1985-01-29 | Sumitomo Special Metals Co Ltd | 永久磁石用合金粉末 |
-
1985
- 1985-03-28 JP JP60061837A patent/JPH0789521B2/ja not_active Expired - Lifetime
-
1986
- 1986-03-26 DE DE8686302266T patent/DE3668514D1/de not_active Expired - Lifetime
- 1986-03-26 EP EP86302266A patent/EP0197712B1/de not_active Expired - Lifetime
-
1990
- 1990-01-26 US US07/470,748 patent/US5071493A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS61222102A (ja) | 1986-10-02 |
EP0197712A1 (de) | 1986-10-15 |
US5071493A (en) | 1991-12-10 |
JPH0789521B2 (ja) | 1995-09-27 |
EP0197712B1 (de) | 1990-01-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8331 | Complete revocation |