CN101447331B - 烧结型R-Fe-B系永磁体的制造方法 - Google Patents
烧结型R-Fe-B系永磁体的制造方法 Download PDFInfo
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- CN101447331B CN101447331B CN2008101610292A CN200810161029A CN101447331B CN 101447331 B CN101447331 B CN 101447331B CN 2008101610292 A CN2008101610292 A CN 2008101610292A CN 200810161029 A CN200810161029 A CN 200810161029A CN 101447331 B CN101447331 B CN 101447331B
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- Hard Magnetic Materials (AREA)
Abstract
Description
Claims (2)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-294431 | 2002-10-06 | ||
JP2002294431 | 2002-10-08 | ||
JP2002294431 | 2002-10-08 | ||
JP2002362391 | 2002-12-13 | ||
JP2002362391 | 2002-12-13 | ||
JP2002-362391 | 2002-12-13 |
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CNB2003101007067A Division CN100431062C (zh) | 2002-10-08 | 2003-10-08 | 烧结型R-Fe-B系永磁体及其制造方法 |
Publications (2)
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CN101447331A CN101447331A (zh) | 2009-06-03 |
CN101447331B true CN101447331B (zh) | 2011-08-17 |
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CN2008101610292A Expired - Lifetime CN101447331B (zh) | 2002-10-08 | 2003-10-08 | 烧结型R-Fe-B系永磁体的制造方法 |
CNB2003101007067A Expired - Lifetime CN100431062C (zh) | 2002-10-08 | 2003-10-08 | 烧结型R-Fe-B系永磁体及其制造方法 |
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CNB2003101007067A Expired - Lifetime CN100431062C (zh) | 2002-10-08 | 2003-10-08 | 烧结型R-Fe-B系永磁体及其制造方法 |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5266523B2 (ja) * | 2008-04-15 | 2013-08-21 | 日東電工株式会社 | 永久磁石及び永久磁石の製造方法 |
KR101790811B1 (ko) | 2010-03-31 | 2017-10-26 | 히타치 긴조쿠 가부시키가이샤 | 슬러리의 재생방법 및 희토류계 소결자석의 제조방법 및 슬러리의 재생장치 |
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 |
CN106165026B (zh) * | 2014-03-27 | 2019-02-15 | 日立金属株式会社 | R-t-b系合金粉末及其制造方法、以及r-t-b系烧结磁铁及其制造方法 |
CN105931833B (zh) * | 2016-04-20 | 2017-11-17 | 北京科技大学 | 一种高取向度烧结钕铁硼永磁材料的制备方法 |
JP7247687B2 (ja) * | 2019-03-19 | 2023-03-29 | Tdk株式会社 | R‐t‐b系永久磁石 |
US20200303100A1 (en) * | 2019-03-22 | 2020-09-24 | Tdk Corporation | R-t-b based permanent magnet |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1044187A (zh) * | 1988-12-29 | 1990-07-25 | 株式会社精工舍 | 环形永磁体的成型方法及成型模具 |
CN1176471A (zh) * | 1996-08-09 | 1998-03-18 | 日立金属株式会社 | 径向各向异性R-Fe-B基烧结磁体及其制造方法 |
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 |
US6312494B1 (en) * | 1999-07-05 | 2001-11-06 | Hitachi Metals, Ltd. | Arc segment magnet, ring magnet and method for producing such magnets |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5200001A (en) * | 1989-12-01 | 1993-04-06 | Sumitomo Special Metals Co., Ltd. | Permanent magnet |
JP2001037124A (ja) * | 1999-07-27 | 2001-02-09 | Hitachi Metals Ltd | 回転子 |
JP2002164238A (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 |
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 |
-
2003
- 2003-10-08 CN CN2008101610292A patent/CN101447331B/zh not_active Expired - Lifetime
- 2003-10-08 CN CNB2003101007067A patent/CN100431062C/zh not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1044187A (zh) * | 1988-12-29 | 1990-07-25 | 株式会社精工舍 | 环形永磁体的成型方法及成型模具 |
CN1176471A (zh) * | 1996-08-09 | 1998-03-18 | 日立金属株式会社 | 径向各向异性R-Fe-B基烧结磁体及其制造方法 |
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 |
US6312494B1 (en) * | 1999-07-05 | 2001-11-06 | Hitachi Metals, Ltd. | Arc segment magnet, ring magnet and method for producing such magnets |
Also Published As
Publication number | Publication date |
---|---|
CN100431062C (zh) | 2008-11-05 |
CN1497617A (zh) | 2004-05-19 |
CN101447331A (zh) | 2009-06-03 |
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Address after: Japan Tokyo port harbor 2 chome No. 70 Patentee after: HITACHI METALS, Ltd. Address before: Tokyo, Japan Patentee before: HITACHI METALS, Ltd. |
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Application publication date: 20090603 Assignee: Hitachi metal ring Ci material (Nantong) Co.,Ltd. Assignor: HITACHI METALS, Ltd. Contract record no.: 2017990000034 Denomination of invention: Sintered R-Fe-B permanent magnet and its production method Granted publication date: 20110817 License type: Common License Record date: 20170209 |
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Correction item: A transferee of the entry into force of the contract Correct: Hitachi metal ring magnets (Nantong) Co.,Ltd. False: Hitachi metal ring Ci material (Nantong) Co.,Ltd. Number: 11 Volume: 33 |
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