ATE555485T1 - Verfahren zur herstellung eines permanentmagneten - Google Patents
Verfahren zur herstellung eines permanentmagnetenInfo
- Publication number
- ATE555485T1 ATE555485T1 AT02715875T AT02715875T ATE555485T1 AT E555485 T1 ATE555485 T1 AT E555485T1 AT 02715875 T AT02715875 T AT 02715875T AT 02715875 T AT02715875 T AT 02715875T AT E555485 T1 ATE555485 T1 AT E555485T1
- Authority
- AT
- Austria
- Prior art keywords
- permanent magnet
- powder
- group
- phase
- element selected
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000000843 powder Substances 0.000 abstract 5
- 229910052796 boron Inorganic materials 0.000 abstract 2
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 2
- 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
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 230000007704 transition Effects 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
-
- 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
- H01F1/058—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IVa elements, e.g. Gd2Fe14C
-
- 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
- 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
- H01F1/0573—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 obtained by reduction or by hydrogen decrepitation or embrittlement
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (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 |
|---|---|---|---|
| JP2001021226 | 2001-01-30 | ||
| PCT/JP2002/000442 WO2002061769A1 (fr) | 2001-01-30 | 2002-01-22 | Procede de preparation d'un aimant permanent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE555485T1 true ATE555485T1 (de) | 2012-05-15 |
Family
ID=18886820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT02715875T ATE555485T1 (de) | 2001-01-30 | 2002-01-22 | Verfahren zur herstellung eines permanentmagneten |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7244318B2 (de) |
| EP (1) | EP1365422B1 (de) |
| JP (1) | JP3765793B2 (de) |
| CN (1) | CN1246864C (de) |
| AT (1) | ATE555485T1 (de) |
| WO (1) | WO2002061769A1 (de) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7201810B2 (en) * | 2001-03-30 | 2007-04-10 | Neomax Co., Ltd. | Rare earth alloy sintered compact and method of making the same |
| WO2002099823A1 (en) * | 2001-05-30 | 2002-12-12 | Sumitomo Special Metals Co., Ltd. | Method of making sintered compact for rare earth magnet |
| JP4547840B2 (ja) * | 2001-07-27 | 2010-09-22 | Ｔｄｋ株式会社 | 永久磁石およびその製造方法 |
| JP2005011973A (ja) * | 2003-06-18 | 2005-01-13 | Japan Science & Technology Agency | 希土類−鉄−ホウ素系磁石及びその製造方法 |
| JP4645855B2 (ja) * | 2005-03-14 | 2011-03-09 | Ｔｄｋ株式会社 | Ｒ−ｔ−ｂ系焼結磁石 |
| KR101447301B1 (ko) * | 2006-09-15 | 2014-10-06 | 인터메탈릭스 가부시키가이샤 | ＮｄＦｅＢ 소결자석의 제조방법 |
| WO2008096621A1 (ja) * | 2007-02-05 | 2008-08-14 | Showa Denko K.K. | Ｒ－ｔ－ｂ系合金とその製造方法、ｒ－ｔ－ｂ系希土類永久磁石用微粉、ｒ－ｔ－ｂ系希土類永久磁石 |
| JP4900085B2 (ja) * | 2007-06-29 | 2012-03-21 | Ｔｄｋ株式会社 | 希土類磁石の製造方法 |
| JP4900113B2 (ja) * | 2007-07-24 | 2012-03-21 | Ｔｄｋ株式会社 | 希土類永久焼結磁石の製造方法 |
| EP2178096B1 (de) * | 2007-07-27 | 2015-12-23 | Hitachi Metals, Ltd. | Gesinterter r-fe-b-seltenerdmagnet |
| US8177922B2 (en) * | 2007-09-04 | 2012-05-15 | Hitachi Metals, Ltd. | R-Fe-B anisotropic sintered magnet |
| JP5328161B2 (ja) * | 2008-01-11 | 2013-10-30 | インターメタリックス株式会社 | ＮｄＦｅＢ焼結磁石の製造方法及びＮｄＦｅＢ焼結磁石 |
| JP5417632B2 (ja) | 2008-03-18 | 2014-02-19 | 日東電工株式会社 | 永久磁石及び永久磁石の製造方法 |
| JP4835758B2 (ja) * | 2009-03-30 | 2011-12-14 | Ｔｄｋ株式会社 | 希土類磁石の製造方法 |
| JP5057111B2 (ja) * | 2009-07-01 | 2012-10-24 | 信越化学工業株式会社 | 希土類磁石の製造方法 |
| JP2011210823A (ja) * | 2010-03-29 | 2011-10-20 | Tdk Corp | 希土類焼結磁石の製造方法及び希土類焼結磁石 |
| US9548157B2 (en) * | 2010-03-30 | 2017-01-17 | Tdk Corporation | Sintered magnet, motor, automobile, and method for producing sintered magnet |
| US8480816B2 (en) * | 2010-03-31 | 2013-07-09 | Nitto Denko Corporation | Permanent magnet and manufacturing method thereof |
| MY174972A (en) | 2011-05-02 | 2020-05-29 | Shinetsu Chemical Co | Rare earth permanent magnets and their preparation |
| JP6256140B2 (ja) * | 2013-04-22 | 2018-01-10 | Tdk株式会社 | Ｒ−ｔ−ｂ系焼結磁石 |
| JP6361089B2 (ja) | 2013-04-22 | 2018-07-25 | Tdk株式会社 | Ｒ−ｔ−ｂ系焼結磁石 |
| BR112015031725A2 (pt) | 2013-06-17 | 2017-07-25 | Urban Mining Tech Company Llc | método para fabricação de um imã permanente de nd-fe-b reciclado |
| US9336932B1 (en) | 2014-08-15 | 2016-05-10 | Urban Mining Company | Grain boundary engineering |
| DE112016001353T5 (de) | 2015-03-25 | 2017-12-07 | Tdk Corporation | Seltenerdmagnet |
| CN115083708A (zh) * | 2021-03-10 | 2022-09-20 | 福建省长汀金龙稀土有限公司 | 一种钕铁硼磁体及其制备方法 |
| CN119542022A (zh) * | 2025-01-23 | 2025-02-28 | 浙江鑫盛永磁科技股份有限公司 | 一种低涡流损耗永磁材料 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4369075A (en) * | 1979-04-18 | 1983-01-18 | Namiki Precision Jewel Co., Ltd. | Method of manufacturing permanent magnet alloys |
| JPH07105289B2 (ja) | 1986-03-06 | 1995-11-13 | 信越化学工業株式会社 | 希土類永久磁石の製造方法 |
| US4849035A (en) * | 1987-08-11 | 1989-07-18 | Crucible Materials Corporation | Rare earth, iron carbon permanent magnet alloys and method for producing the same |
| US5405455A (en) * | 1991-06-04 | 1995-04-11 | Shin-Etsu Chemical Co. Ltd. | Rare earth-based permanent magnet |
| US5387291A (en) * | 1992-03-19 | 1995-02-07 | Sumitomo Special Metals Co., Ltd. | Process for producing alloy powder material for R-Fe-B permanent magnets and alloy powder for adjusting the composition therefor |
| EP0576282B1 (de) * | 1992-06-24 | 1997-09-24 | Sumitomo Special Metals Co., Ltd. | Verfahren zur Herstellung von R-Fe-B-Typ Sintermagneten durch Injektionsformen |
| JPH0696928A (ja) | 1992-06-30 | 1994-04-08 | Aichi Steel Works Ltd | 希土類焼結磁石及びその製造方法 |
| JP3157661B2 (ja) | 1993-09-06 | 2001-04-16 | 住友特殊金属株式会社 | Ｒ−Ｆｅ−Ｂ系永久磁石材料の製造方法 |
| DE69431096T2 (de) * | 1993-11-02 | 2003-01-23 | Tdk Corp., Tokio/Tokyo | Herstellung eines Dauermagneten |
| US5647886A (en) * | 1993-11-11 | 1997-07-15 | Seiko Epson Corporation | Magnetic powder, permanent magnet produced therefrom and process for producing them |
| US6139765A (en) * | 1993-11-11 | 2000-10-31 | Seiko Epson Corporation | Magnetic powder, permanent magnet produced therefrom and process for producing them |
| JPH07245206A (ja) * | 1994-03-04 | 1995-09-19 | Tokin Corp | 希土類永久磁石用粉末及びその製造方法 |
| JPH09283312A (ja) * | 1996-04-15 | 1997-10-31 | Seiko Epson Corp | ボンド磁石 |
-
2002
- 2002-01-22 US US10/470,490 patent/US7244318B2/en not_active Expired - Lifetime
- 2002-01-22 JP JP2002561846A patent/JP3765793B2/ja not_active Expired - Lifetime
- 2002-01-22 CN CN02804360.XA patent/CN1246864C/zh not_active Expired - Lifetime
- 2002-01-22 EP EP02715875A patent/EP1365422B1/de not_active Expired - Lifetime
- 2002-01-22 WO PCT/JP2002/000442 patent/WO2002061769A1/ja active Application Filing
- 2002-01-22 AT AT02715875T patent/ATE555485T1/de active
Also Published As
| Publication number | Publication date |
|---|---|
| EP1365422A4 (de) | 2008-12-31 |
| US20040050454A1 (en) | 2004-03-18 |
| WO2002061769A1 (fr) | 2002-08-08 |
| EP1365422A1 (de) | 2003-11-26 |
| US7244318B2 (en) | 2007-07-17 |
| EP1365422B1 (de) | 2012-04-25 |
| JP3765793B2 (ja) | 2006-04-12 |
| JPWO2002061769A1 (ja) | 2004-06-03 |
| CN1246864C (zh) | 2006-03-22 |
| CN1489771A (zh) | 2004-04-14 |
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