DE69916764D1 - Auf Seltenerd/Eisen/Bor basierte Legierung für Dauermagnet - Google Patents
Auf Seltenerd/Eisen/Bor basierte Legierung für DauermagnetInfo
- Publication number
- DE69916764D1 DE69916764D1 DE69916764T DE69916764T DE69916764D1 DE 69916764 D1 DE69916764 D1 DE 69916764D1 DE 69916764 T DE69916764 T DE 69916764T DE 69916764 T DE69916764 T DE 69916764T DE 69916764 D1 DE69916764 D1 DE 69916764D1
- Authority
- DE
- Germany
- Prior art keywords
- iron
- permanent magnet
- rare earth
- based alloy
- boron based
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 title 1
- 239000000956 alloy Substances 0.000 title 1
- 229910045601 alloy Inorganic materials 0.000 title 1
- 229910052796 boron Inorganic materials 0.000 title 1
- 229910052742 iron Inorganic materials 0.000 title 1
- 229910052761 rare earth metal Inorganic materials 0.000 title 1
- 150000002910 rare earth metals Chemical class 0.000 title 1
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
-
- 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
-
- 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
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35572898 | 1998-12-15 | ||
| JP35572898 | 1998-12-15 | ||
| JP35573698 | 1998-12-15 | ||
| JP35573698 | 1998-12-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69916764D1 true DE69916764D1 (de) | 2004-06-03 |
| DE69916764T2 DE69916764T2 (de) | 2005-03-31 |
Family
ID=26580318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69916764T Expired - Lifetime DE69916764T2 (de) | 1998-12-15 | 1999-12-06 | Auf Seltenerd/Eisen/Bor basierte Legierung für Dauermagnet |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6296720B1 (de) |
| EP (1) | EP1014392B9 (de) |
| KR (1) | KR100449447B1 (de) |
| CN (1) | CN1301513C (de) |
| DE (1) | DE69916764T2 (de) |
| TW (1) | TW432404B (de) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3294841B2 (ja) * | 2000-09-19 | 2002-06-24 | 住友特殊金属株式会社 | 希土類磁石およびその製造方法 |
| JP5437544B2 (ja) * | 2001-06-11 | 2014-03-12 | 株式会社三徳 | 二次電池用負極の製造法 |
| US7175718B2 (en) * | 2001-06-19 | 2007-02-13 | Mitsubishi Denki Kabushiki Kaisha | Rare earth element permanent magnet material |
| DE60311960T2 (de) * | 2002-09-30 | 2007-10-31 | Tdk Corp. | Verfahren zur herstellung eines seltenerdelement-permanentmagneten auf r-t-b-basis |
| US7255751B2 (en) * | 2002-09-30 | 2007-08-14 | Tdk Corporation | Method for manufacturing R-T-B system rare earth permanent magnet |
| WO2004046409A2 (en) * | 2002-11-18 | 2004-06-03 | Iowa State University Research Foundation, Inc. | Permanent magnet alloy with improved high temperature performance |
| US7199690B2 (en) | 2003-03-27 | 2007-04-03 | Tdk Corporation | R-T-B system rare earth permanent magnet |
| US7255752B2 (en) * | 2003-03-28 | 2007-08-14 | Tdk Corporation | Method for manufacturing R-T-B system rare earth permanent magnet |
| US20050062572A1 (en) * | 2003-09-22 | 2005-03-24 | General Electric Company | Permanent magnet alloy for medical imaging system and method of making |
| WO2005123974A1 (ja) * | 2004-06-22 | 2005-12-29 | Shin-Etsu Chemical Co., Ltd. | Ｒ－Ｆｅ－Ｂ系希土類永久磁石材料 |
| BRPI0506147B1 (pt) * | 2004-10-19 | 2020-10-13 | Shin-Etsu Chemical Co., Ltd | método para preparar um material de ímã permanente de terra rara |
| US8012269B2 (en) * | 2004-12-27 | 2011-09-06 | Shin-Etsu Chemical Co., Ltd. | Nd-Fe-B rare earth permanent magnet material |
| TWI364765B (en) * | 2005-03-23 | 2012-05-21 | Shinetsu Chemical Co | Rare earth permanent magnet |
| MY142088A (en) * | 2005-03-23 | 2010-09-15 | Shinetsu Chemical Co | Rare earth permanent magnet |
| MY142131A (en) * | 2005-03-23 | 2010-09-30 | Shinetsu Chemical Co | Functionally graded rare earth permanent magnet |
| MY141999A (en) * | 2005-03-23 | 2010-08-16 | Shinetsu Chemical Co | Functionally graded rare earth permanent magnet |
| US20070089806A1 (en) * | 2005-10-21 | 2007-04-26 | Rolf Blank | Powders for rare earth magnets, rare earth magnets and methods for manufacturing the same |
| JP4605396B2 (ja) * | 2006-04-14 | 2011-01-05 | 信越化学工業株式会社 | 希土類永久磁石材料の製造方法 |
| JP4656323B2 (ja) * | 2006-04-14 | 2011-03-23 | 信越化学工業株式会社 | 希土類永久磁石材料の製造方法 |
| US7955443B2 (en) * | 2006-04-14 | 2011-06-07 | Shin-Etsu Chemical Co., Ltd. | Method for preparing rare earth permanent magnet material |
| JP4840606B2 (ja) | 2006-11-17 | 2011-12-21 | 信越化学工業株式会社 | 希土類永久磁石の製造方法 |
| WO2008095448A1 (fr) * | 2007-02-07 | 2008-08-14 | Grirem Advanced Materials Co., Ltd. | Alliage de terres rares, son procédé de préparation et son application |
| CN105118593A (zh) * | 2007-06-29 | 2015-12-02 | Tdk株式会社 | 稀土磁铁 |
| CN101409121B (zh) * | 2008-08-05 | 2011-01-05 | 中钢集团安徽天源科技股份有限公司 | 电机用钕铁硼永磁体及其制造方法 |
| CN101853723B (zh) | 2009-03-31 | 2012-11-21 | 比亚迪股份有限公司 | 一种复合磁性材料及其制备方法 |
| CN102024544B (zh) * | 2009-09-15 | 2012-09-05 | 比亚迪股份有限公司 | 一种稀土永磁材料及其制备方法 |
| US10395822B2 (en) * | 2010-03-23 | 2019-08-27 | Tdk Corporation | Rare-earth magnet, method of manufacturing rare-earth magnet, and rotator |
| CN101929565B (zh) * | 2010-09-07 | 2012-07-18 | 福建金源泉科技发展有限公司 | 一种净水三通阀 |
| US20150059525A1 (en) * | 2012-03-30 | 2015-03-05 | Intermetallics Co., Ltd. | NdFeB SYSTEM SINTERED MAGNET |
| JP6399307B2 (ja) * | 2015-02-04 | 2018-10-03 | Tdk株式会社 | Ｒ−ｔ−ｂ系焼結磁石 |
| JP7251916B2 (ja) | 2017-12-05 | 2023-04-04 | Tdk株式会社 | Ｒ－ｔ－ｂ系永久磁石 |
| CN110993233B (zh) * | 2019-12-09 | 2021-08-27 | 厦门钨业股份有限公司 | 一种r-t-b系永磁材料、原料组合物、制备方法、应用 |
| CN112341181A (zh) * | 2020-11-17 | 2021-02-09 | 湖南航天磁电有限责任公司 | 一种提高永磁铁氧体磁性能的方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1315571C (en) * | 1982-08-21 | 1993-04-06 | Masato Sagawa | Magnetic materials and permanent magnets |
| US5466308A (en) * | 1982-08-21 | 1995-11-14 | Sumitomo Special Metals Co. Ltd. | Magnetic precursor materials for making permanent magnets |
| US5162064A (en) * | 1990-04-10 | 1992-11-10 | Crucible Materials Corporation | Permanent magnet having improved corrosion resistance and method for producing the same |
| US5250206A (en) * | 1990-09-26 | 1993-10-05 | Mitsubishi Materials Corporation | Rare earth element-Fe-B or rare earth element-Fe-Co-B permanent magnet powder excellent in magnetic anisotropy and corrosion resistivity and bonded magnet manufactured therefrom |
| JPH06224018A (ja) * | 1993-12-22 | 1994-08-12 | Hitachi Metals Ltd | 希土類−鉄−ボロン系焼結磁石の製造方法 |
| US5480471A (en) * | 1994-04-29 | 1996-01-02 | Crucible Materials Corporation | Re-Fe-B magnets and manufacturing method for the same |
| JP3779404B2 (ja) * | 1996-12-05 | 2006-05-31 | 株式会社東芝 | 永久磁石材料、ボンド磁石およびモータ |
| KR100592471B1 (ko) * | 1998-10-14 | 2006-06-23 | 히다찌긴조꾸가부시끼가이사 | 알-티-비계 소결형 영구자석 |
| US6147917A (en) | 1998-10-15 | 2000-11-14 | Stmicroelectronics, Inc. | Apparatus and method for noise reduction in DRAM |
-
1999
- 1999-12-06 EP EP99403040A patent/EP1014392B9/de not_active Expired - Lifetime
- 1999-12-06 DE DE69916764T patent/DE69916764T2/de not_active Expired - Lifetime
- 1999-12-08 TW TW088121504A patent/TW432404B/zh not_active IP Right Cessation
- 1999-12-08 US US09/456,819 patent/US6296720B1/en not_active Expired - Lifetime
- 1999-12-15 CN CNB991261712A patent/CN1301513C/zh not_active Expired - Lifetime
- 1999-12-15 KR KR10-1999-0057765A patent/KR100449447B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1301513C (zh) | 2007-02-21 |
| EP1014392A2 (de) | 2000-06-28 |
| EP1014392B9 (de) | 2004-11-24 |
| EP1014392B1 (de) | 2004-04-28 |
| KR100449447B1 (ko) | 2004-09-21 |
| KR20000048146A (ko) | 2000-07-25 |
| CN1258082A (zh) | 2000-06-28 |
| DE69916764T2 (de) | 2005-03-31 |
| EP1014392A3 (de) | 2000-11-22 |
| TW432404B (en) | 2001-05-01 |
| US6296720B1 (en) | 2001-10-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |