DE60317767D1 - R-t-b-seltenerd-permanentmagnet - Google Patents
R-t-b-seltenerd-permanentmagnetInfo
- Publication number
- DE60317767D1 DE60317767D1 DE60317767T DE60317767T DE60317767D1 DE 60317767 D1 DE60317767 D1 DE 60317767D1 DE 60317767 T DE60317767 T DE 60317767T DE 60317767 T DE60317767 T DE 60317767T DE 60317767 D1 DE60317767 D1 DE 60317767D1
- Authority
- DE
- Germany
- Prior art keywords
- permanent magnet
- rare earth
- earth permanent
- rare
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C28/00—Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002287033 | 2002-09-30 | ||
JP2002287033 | 2002-09-30 | ||
JP2003092891 | 2003-03-28 | ||
JP2003092891 | 2003-03-28 | ||
PCT/JP2003/012487 WO2004029995A1 (ja) | 2002-09-30 | 2003-09-30 | R−t−b系希土類永久磁石 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60317767D1 true DE60317767D1 (de) | 2008-01-10 |
DE60317767T2 DE60317767T2 (de) | 2008-11-27 |
Family
ID=32044659
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60317767T Expired - Lifetime DE60317767T2 (de) | 2002-09-30 | 2003-09-30 | R-t-b-seltenerd-permanentmagnet |
DE60311421T Expired - Lifetime DE60311421T2 (de) | 2002-09-30 | 2003-09-30 | Seltenerdelement-permanentmagnet auf r-t-b-basis |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60311421T Expired - Lifetime DE60311421T2 (de) | 2002-09-30 | 2003-09-30 | Seltenerdelement-permanentmagnet auf r-t-b-basis |
Country Status (6)
Country | Link |
---|---|
US (1) | US7311788B2 (de) |
EP (2) | EP1465212B1 (de) |
JP (2) | JP4076175B2 (de) |
CN (2) | CN100334659C (de) |
DE (2) | DE60317767T2 (de) |
WO (2) | WO2004029995A1 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7199690B2 (en) | 2003-03-27 | 2007-04-03 | Tdk Corporation | R-T-B system rare earth permanent magnet |
CN100545959C (zh) * | 2003-08-12 | 2009-09-30 | 日立金属株式会社 | R-t-b系烧结磁铁及稀土类合金 |
JP4702522B2 (ja) * | 2005-02-23 | 2011-06-15 | Tdk株式会社 | R−t−b系焼結磁石及びその製造方法 |
JP5153643B2 (ja) | 2007-06-29 | 2013-02-27 | Tdk株式会社 | 希土類磁石 |
CN103098151B (zh) | 2010-03-30 | 2016-01-20 | Tdk株式会社 | 稀土类烧结磁铁以及其制造方法、马达以及汽车 |
US8480818B2 (en) * | 2010-03-31 | 2013-07-09 | Nitto Denko Corporation | Permanent magnet and manufacturing method thereof |
JP5303738B2 (ja) * | 2010-07-27 | 2013-10-02 | Tdk株式会社 | 希土類焼結磁石 |
JP5729051B2 (ja) * | 2011-03-18 | 2015-06-03 | Tdk株式会社 | R−t−b系希土類焼結磁石 |
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 |
WO2013054847A1 (ja) * | 2011-10-13 | 2013-04-18 | Tdk株式会社 | R-t-b系焼結磁石及びその製造方法、並びに回転機 |
US10096410B2 (en) | 2013-07-03 | 2018-10-09 | Tdk Corporation | R-T-B based sintered magnet |
JP6314380B2 (ja) * | 2013-07-23 | 2018-04-25 | Tdk株式会社 | 希土類磁石、電動機、及び電動機を備える装置 |
US10256015B2 (en) | 2013-08-09 | 2019-04-09 | Tdk Corporation | R-t-b based sintered magnet and rotating machine |
EP3131099A4 (de) * | 2014-03-27 | 2017-11-29 | Hitachi Metals, Ltd. | R-t-b-basiertes legierungspulver und verfahren zu seiner herstellung sowie r-t-b-basierte sintermagneten und herstellungsverfahren dafür |
JP6269279B2 (ja) * | 2014-04-15 | 2018-01-31 | Tdk株式会社 | 永久磁石およびモータ |
JP7108545B2 (ja) * | 2016-01-28 | 2022-07-28 | ノヴェオン マグネティックス,インク. | 焼結磁性合金及びそれから誘導される組成物の粒界工学 |
JP2018056524A (ja) * | 2016-09-30 | 2018-04-05 | Tdk株式会社 | コイル部品 |
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 |
JP7379837B2 (ja) | 2019-03-20 | 2023-11-15 | Tdk株式会社 | R-t-b系永久磁石 |
CN111613408B (zh) * | 2020-06-03 | 2022-05-10 | 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 (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6274054A (ja) | 1985-09-27 | 1987-04-04 | Hitachi Metals Ltd | 永久磁石合金 |
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 |
US5000800A (en) | 1988-06-03 | 1991-03-19 | Masato Sagawa | Permanent magnet and method for producing the same |
JP3724513B2 (ja) | 1993-11-02 | 2005-12-07 | Tdk株式会社 | 永久磁石の製造方法 |
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 |
US6494968B1 (en) * | 1998-02-06 | 2002-12-17 | Toda Kogyo Corporation | Lamellar rare earth-iron-boron-based magnet alloy particles, process for producing the same and bonded magnet produced therefrom |
EP1033415B1 (de) * | 1998-08-28 | 2003-05-28 | Showa Denko Kabushiki Kaisha | Legierung zur verwendung bei der herstellung von gesinterten magneten auf r-t-b-basis und verfahren zur herstellung von gesinterten magneten auf r-t-b-basis |
DE69911138T2 (de) * | 1998-10-14 | 2004-07-22 | Hitachi Metals, Ltd. | Gesinterter R-T-B-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 |
DE60028659T2 (de) * | 1999-06-08 | 2007-05-31 | Shin-Etsu Chemical Co., Ltd. | Dünnes Band einer dauermagnetischen Legierung auf Seltenerdbasis |
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 |
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 |
US6506265B2 (en) * | 2000-06-13 | 2003-01-14 | Shin-Etsu Chemical Co., Ltd. | R-Fe-B base permanent magnet materials |
AU2001275775A1 (en) * | 2000-08-03 | 2002-02-18 | 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 |
US7255751B2 (en) * | 2002-09-30 | 2007-08-14 | Tdk Corporation | Method for manufacturing 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 |
US7255752B2 (en) * | 2003-03-28 | 2007-08-14 | Tdk Corporation | Method for manufacturing R-T-B system rare earth permanent magnet |
-
2003
- 2003-09-29 US US10/675,230 patent/US7311788B2/en active Active
- 2003-09-30 JP JP2004539580A patent/JP4076175B2/ja not_active Expired - Lifetime
- 2003-09-30 CN CNB038010542A patent/CN100334659C/zh not_active Expired - Lifetime
- 2003-09-30 EP EP03798556A patent/EP1465212B1/de not_active Expired - Lifetime
- 2003-09-30 WO PCT/JP2003/012487 patent/WO2004029995A1/ja active IP Right Grant
- 2003-09-30 DE DE60317767T patent/DE60317767T2/de not_active Expired - Lifetime
- 2003-09-30 CN CNB038013126A patent/CN100334661C/zh not_active Expired - Lifetime
- 2003-09-30 JP JP2004539579A patent/JP4763290B2/ja not_active Expired - Lifetime
- 2003-09-30 EP EP03798555A patent/EP1460652B1/de not_active Expired - Lifetime
- 2003-09-30 WO PCT/JP2003/012488 patent/WO2004029996A1/ja active IP Right Grant
- 2003-09-30 DE DE60311421T patent/DE60311421T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP4763290B2 (ja) | 2011-08-31 |
JPWO2004029995A1 (ja) | 2006-01-26 |
EP1465212B1 (de) | 2007-01-24 |
CN1557005A (zh) | 2004-12-22 |
WO2004029995A1 (ja) | 2004-04-08 |
DE60311421T2 (de) | 2007-10-31 |
US7311788B2 (en) | 2007-12-25 |
CN100334661C (zh) | 2007-08-29 |
DE60317767T2 (de) | 2008-11-27 |
EP1460652B1 (de) | 2007-11-28 |
WO2004029996A1 (ja) | 2004-04-08 |
JP4076175B2 (ja) | 2008-04-16 |
EP1460652A4 (de) | 2005-04-20 |
DE60311421D1 (de) | 2007-03-15 |
CN100334659C (zh) | 2007-08-29 |
US20040177899A1 (en) | 2004-09-16 |
JPWO2004029996A1 (ja) | 2006-01-26 |
EP1460652A1 (de) | 2004-09-22 |
CN1572004A (zh) | 2005-01-26 |
EP1465212A1 (de) | 2004-10-06 |
EP1465212A4 (de) | 2005-03-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE602004009979D1 (de) | R-T-B-Seltenerd-Permanentmagnet | |
DE60317767D1 (de) | R-t-b-seltenerd-permanentmagnet | |
DE60118982D1 (de) | Seltenerdelement-permanentmagnetmaterial | |
GB2436753B (en) | Permanent magnet motors | |
EP1712652A4 (de) | Auf r-fe-b basierendes seltenerdpermanentmagnetmaterial | |
GB2439485B (en) | Downhole permanent magnet motors | |
EP1665293A4 (de) | Permanentmagnet-baugruppe | |
DE60309120D1 (de) | Gesinterter R-Fe-B Magnet | |
DE69911138D1 (de) | Gesinterter R-T-B-Dauermagnet | |
DE60111144D1 (de) | Dauermagnetläufer | |
GB2396751B (en) | Permanent magnet rotor | |
EP1641000A4 (de) | Seltenerdpermanentmagnet auf r-t-b-basis und verfahren zu seinerherstellung | |
EP1670117A4 (de) | Permanentmagnet-motor | |
HK1088710A1 (en) | R-t-b based permanent magnet | |
DE60115758D1 (de) | Permanentmagnetischer Reluktanzmotor | |
EP1455368A4 (de) | Korrosionsbeständiger seltenerdelementmagnet | |
EP1460653A4 (de) | Seltenerdelement-permanentmagnet auf r-t-b-basis und magnetzusammensetzung | |
DE60131699D1 (de) | Dauermagnetmaterialien auf R-Fe-B-Basis | |
DE602005003599D1 (de) | Seltenerd-Permanentmagnet | |
AU5521201A (en) | Permanent magnet keeper-shield assembly | |
DE60233189D1 (de) | Seltenerd Dauermagnet | |
DE60129506D1 (de) | Herstellungsverfahren für Seltenerd-Dauermagneten | |
GB2436755B (en) | Downhole permanent magnet motors | |
DE60214462D1 (de) | Permanentmagnetischer Motor | |
DE60317460D1 (de) | Seltenerdelement-permanentmagnet auf r-t-b-basis |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8381 | Inventor (new situation) |
Inventor name: NISHIZAWA, GOUICHI, TOKYO 103-8272, JP Inventor name: ISHIZAKA, CHIKARA, TOKYO 103-8272, JP Inventor name: HIDAKA, TETSUYA, TOKYO 103-8272, JP Inventor name: FUKUNO, AKIRA, TOKYO 103-8272, JP Inventor name: FUJIKAWA, YOSHINORI, TOKYO 103-8272, JP |
|
8364 | No opposition during term of opposition |