DE60319800D1 - Seltenerdelement-permanentmagnet auf r-t-b-basis und magnetzusammensetzung - Google Patents
Seltenerdelement-permanentmagnet auf r-t-b-basis und magnetzusammensetzungInfo
- Publication number
- DE60319800D1 DE60319800D1 DE60319800T DE60319800T DE60319800D1 DE 60319800 D1 DE60319800 D1 DE 60319800D1 DE 60319800 T DE60319800 T DE 60319800T DE 60319800 T DE60319800 T DE 60319800T DE 60319800 D1 DE60319800 D1 DE 60319800D1
- Authority
- DE
- Germany
- Prior art keywords
- rare
- base
- permanent magnet
- magnetic composition
- term permanent
- 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
- 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
-
- 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
- H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
- H01F1/0557—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 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
- 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
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002287033 | 2002-09-30 | ||
JP2002287033 | 2002-09-30 | ||
PCT/JP2003/012489 WO2004029997A1 (ja) | 2002-09-30 | 2003-09-30 | R−t−b系希土類永久磁石及び磁石組成物 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60319800D1 true DE60319800D1 (de) | 2008-04-30 |
DE60319800T2 DE60319800T2 (de) | 2009-03-05 |
Family
ID=32040616
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60319339T Expired - Lifetime DE60319339T2 (de) | 2002-09-30 | 2003-09-30 | Verfahren zur herstellung eines seltenerdelement-permanentmagneten auf r-t-b-basis |
DE60319800T Expired - Lifetime DE60319800T2 (de) | 2002-09-30 | 2003-09-30 | Seltenerdelement-permanentmagnet auf r-t-b-basis und magnetzusammensetzung |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60319339T Expired - Lifetime DE60319339T2 (de) | 2002-09-30 | 2003-09-30 | Verfahren zur herstellung eines seltenerdelement-permanentmagneten auf r-t-b-basis |
Country Status (6)
Country | Link |
---|---|
US (2) | US7192493B2 (de) |
EP (2) | EP1465213B1 (de) |
JP (2) | JP4076176B2 (de) |
CN (2) | CN100334660C (de) |
DE (2) | DE60319339T2 (de) |
WO (2) | WO2004029998A1 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7192493B2 (en) * | 2002-09-30 | 2007-03-20 | Tdk Corporation | R-T-B system rare earth permanent magnet and compound for magnet |
US7311788B2 (en) * | 2002-09-30 | 2007-12-25 | Tdk Corporation | R-T-B system rare earth permanent magnet |
US7199690B2 (en) * | 2003-03-27 | 2007-04-03 | Tdk Corporation | R-T-B system rare earth permanent magnet |
US7314531B2 (en) * | 2003-03-28 | 2008-01-01 | Tdk Corporation | R-T-B system rare earth permanent magnet |
EP1662516B1 (de) * | 2003-08-12 | 2014-12-31 | Hitachi Metals, Ltd. | Gesinterter r-t-b-magnet und seltenerdlegierung |
JP4716020B2 (ja) * | 2005-03-28 | 2011-07-06 | Tdk株式会社 | 希土類永久磁石の製造方法及び原料粉末と潤滑剤の混合方法 |
JP4716022B2 (ja) * | 2005-03-30 | 2011-07-06 | Tdk株式会社 | 希土類永久磁石の製造方法 |
JP5153643B2 (ja) * | 2007-06-29 | 2013-02-27 | Tdk株式会社 | 希土類磁石 |
EP2388350B1 (de) * | 2009-01-16 | 2018-09-19 | Hitachi Metals, Ltd. | Verfahren zur herstellung eines gesinterten r-t-b-magneten |
JP5303738B2 (ja) * | 2010-07-27 | 2013-10-02 | Tdk株式会社 | 希土類焼結磁石 |
JP4951703B2 (ja) * | 2010-09-30 | 2012-06-13 | 昭和電工株式会社 | R−t−b系希土類永久磁石用合金材料、r−t−b系希土類永久磁石の製造方法およびモーター |
CN102290181B (zh) * | 2011-05-09 | 2014-03-12 | 中国科学院宁波材料技术与工程研究所 | 低成本高矫顽力高磁能积烧结稀土永磁体及其制备方法 |
CN105190792B (zh) * | 2013-07-03 | 2018-06-12 | Tdk株式会社 | R-t-b系烧结磁体 |
JP6274214B2 (ja) * | 2013-08-09 | 2018-02-07 | Tdk株式会社 | R−t−b系焼結磁石、および回転機 |
CN106205923A (zh) * | 2014-01-27 | 2016-12-07 | 江西江钨稀有金属新材料有限公司 | 一种粘结钕铁硼永磁材料及其制备设备 |
JP6269279B2 (ja) * | 2014-04-15 | 2018-01-31 | Tdk株式会社 | 永久磁石およびモータ |
JP6414740B2 (ja) * | 2014-10-27 | 2018-10-31 | 日立金属株式会社 | R−t−b系焼結磁石の製造方法 |
JP7251917B2 (ja) * | 2016-12-06 | 2023-04-04 | Tdk株式会社 | R-t-b系永久磁石 |
JP7251916B2 (ja) * | 2017-12-05 | 2023-04-04 | Tdk株式会社 | R-t-b系永久磁石 |
JP7196468B2 (ja) | 2018-08-29 | 2022-12-27 | 大同特殊鋼株式会社 | R-t-b系焼結磁石 |
US11232890B2 (en) | 2018-11-06 | 2022-01-25 | Daido Steel Co., Ltd. | RFeB sintered magnet and method for producing same |
US11242580B2 (en) * | 2019-03-22 | 2022-02-08 | Tdk Corporation | R-T-B based permanent magnet |
CN111613407B (zh) * | 2020-06-03 | 2022-05-03 | 福建省长汀金龙稀土有限公司 | 一种r-t-b系永磁材料、原料组合物及其制备方法和应用 |
Family Cites Families (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3553435A (en) * | 1966-11-21 | 1971-01-05 | Data Pathing Inc | Photoelectric punched card and document reader |
US3566120A (en) * | 1968-09-25 | 1971-02-23 | American Cyanamid Co | Method of coded data storage by means of coded inks in which the code components have particular absorption bands in the infrared |
US3725647A (en) * | 1970-10-19 | 1973-04-03 | Insta Datic Corp | Photographic credit card system |
EP0085673A4 (de) * | 1981-08-17 | 1984-01-09 | American Bank Note Co | Identitätskarte. |
JPH0789521B2 (ja) * | 1985-03-28 | 1995-09-27 | 株式会社東芝 | 希土類鉄系永久磁石 |
EP0242187B1 (de) * | 1986-04-15 | 1992-06-03 | TDK Corporation | Dauermagnet und Verfahren zu seiner Herstellung |
JPH01103805A (ja) | 1987-07-30 | 1989-04-20 | Tdk Corp | 永久磁石 |
JPH01196104A (ja) * | 1988-02-01 | 1989-08-07 | Tdk Corp | 希土類合金磁石の製造方法 |
JP2720040B2 (ja) | 1988-02-26 | 1998-02-25 | 住友特殊金属株式会社 | 焼結永久磁石材料とその製造方法 |
US4895607A (en) | 1988-07-25 | 1990-01-23 | Kubota, Ltd. | Iron-neodymium-boron permanent magnet alloys prepared by consolidation of amorphous powders |
EP0517355A1 (de) | 1991-06-07 | 1992-12-09 | Crucible Materials Corporation | Korrosionsbeständige Dauermagnetlegierung und Verfahren zur Herstellung eines Dauermagneten daraus |
JP3724513B2 (ja) * | 1993-11-02 | 2005-12-07 | Tdk株式会社 | 永久磁石の製造方法 |
DE69434323T2 (de) | 1993-11-02 | 2006-03-09 | Tdk Corp. | Preparation d'un aimant permanent |
US5858123A (en) | 1995-07-12 | 1999-01-12 | Hitachi Metals, Ltd. | Rare earth permanent magnet and method for producing the same |
JP3237053B2 (ja) | 1996-07-25 | 2001-12-10 | 三菱マテリアル株式会社 | 優れた磁気特性を有する希土類磁石材料粉末およびその製造方法 |
JP2891215B2 (ja) * | 1996-12-17 | 1999-05-17 | 三菱マテリアル株式会社 | 耐食性および磁気特性に優れた希土類−B−Fe系焼結磁石の製造方法 |
JPH10259459A (ja) | 1997-01-14 | 1998-09-29 | Mitsubishi Materials Corp | 希土類磁石粉末製造用原料合金およびこの原料合金を用いた希土類磁石粉末の製造方法 |
JPH1064712A (ja) * | 1997-07-18 | 1998-03-06 | Hitachi Metals Ltd | R−Fe−B系希土類焼結磁石 |
JP4450996B2 (ja) * | 1998-08-28 | 2010-04-14 | 昭和電工株式会社 | R−t−b系焼結磁石の製造に用いられる原料合金、合金混合物及びr−t−b系焼結磁石の製造方法 |
EP0994493B1 (de) | 1998-10-14 | 2003-09-10 | Hitachi Metals, Ltd. | Gesinterter R-T-B-Dauermagnet |
EP1014392B9 (de) | 1998-12-15 | 2004-11-24 | Shin-Etsu Chemical Co., Ltd. | Auf Seltenerd/Eisen/Bor basierte Legierung für Dauermagnet |
JP2000234151A (ja) | 1998-12-15 | 2000-08-29 | Shin Etsu Chem Co Ltd | R−Fe−B系希土類永久磁石材料 |
USD436620S1 (en) * | 1999-09-01 | 2001-01-23 | American Express Travel Related Services Company, Inc. | Transparent card with a machine readable stripe, IC chip and ornamental rectangle |
US6581839B1 (en) * | 1999-09-07 | 2003-06-24 | American Express Travel Related Services Company, Inc. | Transaction card |
JP2001323343A (ja) * | 2000-05-12 | 2001-11-22 | Isuzu Motors Ltd | 高性能希土類永久磁石用合金及びその製造方法 |
DE60131699T2 (de) * | 2000-06-13 | 2008-11-20 | Shin-Etsu Chemical Co., Ltd. | Dauermagnetmaterialien auf R-Fe-B-Basis |
JP3951099B2 (ja) | 2000-06-13 | 2007-08-01 | 信越化学工業株式会社 | R−Fe−B系希土類永久磁石材料 |
WO2002013209A2 (en) * | 2000-08-03 | 2002-02-14 | Sanei Kasei Co., Limited | Nanocomposite permanent magnet |
JP2002164239A (ja) * | 2000-09-14 | 2002-06-07 | Hitachi Metals Ltd | 希土類焼結磁石の製造方法およびリング磁石およびアークセグメント磁石 |
JP3452254B2 (ja) * | 2000-09-20 | 2003-09-29 | 愛知製鋼株式会社 | 異方性磁石粉末の製造方法、異方性磁石粉末の原料粉末およびボンド磁石 |
JP4023138B2 (ja) * | 2001-02-07 | 2007-12-19 | 日立金属株式会社 | 鉄基希土類合金粉末および鉄基希土類合金粉末を含むコンパウンドならびにそれを用いた永久磁石 |
US7192493B2 (en) * | 2002-09-30 | 2007-03-20 | Tdk Corporation | R-T-B system rare earth permanent magnet and compound for magnet |
US7314531B2 (en) * | 2003-03-28 | 2008-01-01 | Tdk Corporation | R-T-B system rare earth permanent magnet |
US6811620B2 (en) * | 2003-03-28 | 2004-11-02 | Tdk Corporation | R-T-B system rare earth permanent magnet |
-
2003
- 2003-09-29 US US10/675,912 patent/US7192493B2/en active Active
- 2003-09-29 US US10/675,797 patent/US7255751B2/en active Active
- 2003-09-30 DE DE60319339T patent/DE60319339T2/de not_active Expired - Lifetime
- 2003-09-30 EP EP03798558A patent/EP1465213B1/de not_active Expired - Lifetime
- 2003-09-30 WO PCT/JP2003/012490 patent/WO2004029998A1/ja active IP Right Grant
- 2003-09-30 WO PCT/JP2003/012489 patent/WO2004029997A1/ja active IP Right Grant
- 2003-09-30 EP EP03798557A patent/EP1460653B1/de not_active Expired - Lifetime
- 2003-09-30 JP JP2004539581A patent/JP4076176B2/ja not_active Expired - Lifetime
- 2003-09-30 CN CNB038010569A patent/CN100334660C/zh not_active Expired - Lifetime
- 2003-09-30 CN CNB038010534A patent/CN100334658C/zh not_active Expired - Lifetime
- 2003-09-30 DE DE60319800T patent/DE60319800T2/de not_active Expired - Lifetime
- 2003-09-30 JP JP2004539582A patent/JP4076177B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1465213B1 (de) | 2008-02-27 |
JPWO2004029998A1 (ja) | 2006-01-26 |
DE60319800T2 (de) | 2009-03-05 |
DE60319339D1 (de) | 2008-04-10 |
DE60319339T2 (de) | 2009-02-19 |
WO2004029997A1 (ja) | 2004-04-08 |
EP1460653A1 (de) | 2004-09-22 |
EP1465213A1 (de) | 2004-10-06 |
CN100334658C (zh) | 2007-08-29 |
CN1557006A (zh) | 2004-12-22 |
WO2004029998A1 (ja) | 2004-04-08 |
CN1557004A (zh) | 2004-12-22 |
EP1460653A4 (de) | 2005-04-20 |
US20040118484A1 (en) | 2004-06-24 |
US7192493B2 (en) | 2007-03-20 |
JP4076177B2 (ja) | 2008-04-16 |
US20040166013A1 (en) | 2004-08-26 |
EP1460653B1 (de) | 2008-03-19 |
JPWO2004029997A1 (ja) | 2006-01-26 |
US7255751B2 (en) | 2007-08-14 |
JP4076176B2 (ja) | 2008-04-16 |
CN100334660C (zh) | 2007-08-29 |
EP1465213A4 (de) | 2005-03-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |