DE60335331D1 - R-Fe-B gesinterter Permanentmagnet und Verfahren zu dessen Herstellung - Google Patents
R-Fe-B gesinterter Permanentmagnet und Verfahren zu dessen HerstellungInfo
- Publication number
- DE60335331D1 DE60335331D1 DE60335331T DE60335331T DE60335331D1 DE 60335331 D1 DE60335331 D1 DE 60335331D1 DE 60335331 T DE60335331 T DE 60335331T DE 60335331 T DE60335331 T DE 60335331T DE 60335331 D1 DE60335331 D1 DE 60335331D1
- Authority
- DE
- Germany
- Prior art keywords
- mass
- slurry
- permanent magnet
- green body
- die
- 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
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000002002 slurry Substances 0.000 abstract 4
- 239000002480 mineral oil Substances 0.000 abstract 3
- 235000010446 mineral oil Nutrition 0.000 abstract 3
- 239000003921 oil Substances 0.000 abstract 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 2
- 229910052760 oxygen Inorganic materials 0.000 abstract 2
- 239000001301 oxygen Substances 0.000 abstract 2
- 239000000843 powder Substances 0.000 abstract 2
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 2
- KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 abstract 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052796 boron Inorganic materials 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 235000011187 glycerol Nutrition 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 229910052698 phosphorus Inorganic materials 0.000 abstract 1
- 239000011574 phosphorus Substances 0.000 abstract 1
- 238000010298 pulverizing process Methods 0.000 abstract 1
- 150000002910 rare earth metals Chemical class 0.000 abstract 1
- 238000005245 sintering Methods 0.000 abstract 1
- 229910001379 sodium hypophosphite Inorganic materials 0.000 abstract 1
- 229910052727 yttrium Inorganic materials 0.000 abstract 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- 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
-
- 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
- H01F41/0273—Imparting anisotropy
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002294431 | 2002-10-08 | ||
| JP2002362391 | 2002-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE60335331D1 true DE60335331D1 (de) | 2011-01-27 |
Family
ID=32032945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE60335331T Expired - Lifetime DE60335331D1 (de) | 2002-10-08 | 2003-10-07 | R-Fe-B gesinterter Permanentmagnet und Verfahren zu dessen Herstellung |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US20050067058A1 (de) |
| EP (1) | EP1408518B1 (de) |
| AT (1) | ATE492023T1 (de) |
| DE (1) | DE60335331D1 (de) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004046409A2 (en) * | 2002-11-18 | 2004-06-03 | Iowa State University Research Foundation, Inc. | Permanent magnet alloy with improved high temperature performance |
| JPWO2005123974A1 (ja) * | 2004-06-22 | 2008-04-10 | 信越化学工業株式会社 | Ｒ−Ｆｅ−Ｂ系希土類永久磁石材料 |
| EP2527062B1 (de) * | 2004-06-30 | 2014-06-04 | TDK Corporation | Verfahren zur Herstellung eines gesinterten Seltenerdmagneten |
| US20060165550A1 (en) * | 2005-01-25 | 2006-07-27 | Tdk Corporation | Raw material alloy for R-T-B system sintered magnet, R-T-B system sintered magnet and production method thereof |
| CN101572146B (zh) * | 2008-05-04 | 2012-01-25 | 比亚迪股份有限公司 | 一种钕铁硼永磁材料及其制备方法 |
| 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 |
| US20110298571A1 (en) * | 2010-06-04 | 2011-12-08 | Irena Skulj | Rare earth magnetic materials comprising gallium and methods of making the same |
| JP5572673B2 (ja) * | 2011-07-08 | 2014-08-13 | 昭和電工株式会社 | Ｒ−ｔ−ｂ系希土類焼結磁石用合金、ｒ−ｔ−ｂ系希土類焼結磁石用合金の製造方法、ｒ−ｔ−ｂ系希土類焼結磁石用合金材料、ｒ−ｔ−ｂ系希土類焼結磁石、ｒ−ｔ−ｂ系希土類焼結磁石の製造方法およびモーター |
| JP5689543B2 (ja) | 2012-08-31 | 2015-03-25 | Jx日鉱日石金属株式会社 | Ｆｅ系磁性材焼結体 |
| CN103093921B (zh) | 2013-01-29 | 2016-08-24 | 烟台首钢磁性材料股份有限公司 | 一种r-t-b-m-c系烧结磁铁及其制造方法及专用装置 |
| CN103377820B (zh) | 2013-07-17 | 2015-11-25 | 烟台首钢磁性材料股份有限公司 | 一种r-t-b-m系烧结磁体及其制造方法 |
| WO2015020180A1 (ja) * | 2013-08-09 | 2015-02-12 | Tdk株式会社 | Ｒ－ｔ－ｂ系焼結磁石、および回転機 |
| WO2015146888A1 (ja) * | 2014-03-27 | 2015-10-01 | 日立金属株式会社 | Ｒ－ｔ－ｂ系合金粉末およびその製造方法ならびにｒ－ｔ－ｂ系焼結磁石およびその製造方法 |
| US10388440B2 (en) * | 2015-11-13 | 2019-08-20 | Tdk Corporation | R-T-B based sintered magnet |
| JP2018182161A (ja) * | 2017-04-18 | 2018-11-15 | Tdk株式会社 | 磁石、磁石構造体、及び、回転角度検出器 |
| JP7247687B2 (ja) * | 2019-03-19 | 2023-03-29 | Tdk株式会社 | Ｒ‐ｔ‐ｂ系永久磁石 |
| US11705778B2 (en) * | 2019-12-19 | 2023-07-18 | Black & Decker Inc. | Power tool with compact motor assembly |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE662987A (de) * | 1964-04-24 | |||
| US5466308A (en) * | 1982-08-21 | 1995-11-14 | Sumitomo Special Metals Co. Ltd. | Magnetic precursor materials for making permanent magnets |
| US5194098A (en) * | 1982-08-21 | 1993-03-16 | Sumitomo Special Metals Co., Ltd. | Magnetic materials |
| JPS59163803A (ja) | 1983-03-08 | 1984-09-14 | Sumitomo Special Metals Co Ltd | 永久磁石用合金 |
| CA1215223A (en) * | 1983-07-04 | 1986-12-16 | Tokuji Abe | Composition for plastic magnets |
| JPS6027105A (ja) | 1983-07-25 | 1985-02-12 | Sumitomo Special Metals Co Ltd | 希土類・鉄・ボロン系永久磁石用合金粉末 |
| JPS6142102A (ja) | 1984-08-01 | 1986-02-28 | Daido Steel Co Ltd | 永久磁石材料 |
| JPS62165305A (ja) * | 1986-01-16 | 1987-07-21 | Hitachi Metals Ltd | 熱安定性良好な永久磁石およびその製造方法 |
| US4983232A (en) * | 1987-01-06 | 1991-01-08 | Hitachi Metals, Ltd. | Anisotropic magnetic powder and magnet thereof and method of producing same |
| US5100485A (en) * | 1988-06-21 | 1992-03-31 | Matsushita Electric Industrial Co., Ltd. | Method for manufacturing permanent magnets |
| JPH03171426A (ja) * | 1989-11-30 | 1991-07-24 | Tosoh Corp | 磁気記録媒体の製造方法 |
| JP3151265B2 (ja) | 1991-12-26 | 2001-04-03 | 信越化学工業株式会社 | 希土類永久磁石の製造方法 |
| JP2859517B2 (ja) * | 1993-08-12 | 1999-02-17 | 日立金属株式会社 | 希土類磁石の製造方法 |
| JPH09275004A (ja) * | 1995-07-07 | 1997-10-21 | Daido Steel Co Ltd | 永久磁石とその製造方法 |
| JP3171426B2 (ja) | 1995-07-12 | 2001-05-28 | 日立金属株式会社 | 焼結型永久磁石 |
| JPH0928409A (ja) | 1995-07-24 | 1997-02-04 | Sanji Kumai | 靴 底 |
| JP3116885B2 (ja) * | 1998-01-27 | 2000-12-11 | 日立金属株式会社 | 希土類永久磁石の製造方法及び希土類永久磁石 |
| EP0999566B1 (de) * | 1998-11-04 | 2003-02-19 | Matsushita Electric Industrial Co., Ltd. | Verfahren zur Zersetzung und Behandlung eines Verbundmagnets |
| JP2001210508A (ja) * | 1999-07-05 | 2001-08-03 | Hitachi Metals Ltd | アークセグメント磁石、リング磁石及び希土類焼結磁石の製造方法 |
| DE19945943B4 (de) | 1999-09-24 | 2005-06-02 | Vacuumschmelze Gmbh | Borarme Nd-Fe-B-Legierung und Verfahren zu deren Herstellung |
| CN1136062C (zh) * | 1999-10-26 | 2004-01-28 | 松下电器产业株式会社 | 制备粘合磁石的回收原料粉末及回收利用粘合磁石的方法 |
| JP2001189206A (ja) * | 1999-12-28 | 2001-07-10 | Toshiba Corp | 永久磁石 |
| CN1182547C (zh) * | 2001-06-19 | 2004-12-29 | 三菱电机株式会社 | 稀土类永久磁铁材料 |
| JP4162884B2 (ja) * | 2001-11-20 | 2008-10-08 | 信越化学工業株式会社 | 耐食性希土類磁石 |
-
2003
- 2003-10-07 DE DE60335331T patent/DE60335331D1/de not_active Expired - Lifetime
- 2003-10-07 AT AT03022684T patent/ATE492023T1/de not_active IP Right Cessation
- 2003-10-07 EP EP03022684A patent/EP1408518B1/de not_active Expired - Lifetime
- 2003-10-08 US US10/680,139 patent/US20050067058A1/en not_active Abandoned
-
2006
- 2006-10-10 US US11/548,101 patent/US7645349B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1408518A3 (de) | 2006-01-11 |
| EP1408518B1 (de) | 2010-12-15 |
| EP1408518A2 (de) | 2004-04-14 |
| US20050067058A1 (en) | 2005-03-31 |
| ATE492023T1 (de) | 2011-01-15 |
| US7645349B2 (en) | 2010-01-12 |
| US20080017277A1 (en) | 2008-01-24 |
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