CN102956337A - 一种烧结Nd-Fe-B系磁铁的省却工序的制作方法 - Google Patents
一种烧结Nd-Fe-B系磁铁的省却工序的制作方法 Download PDFInfo
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- CN102956337A CN102956337A CN2012104489465A CN201210448946A CN102956337A CN 102956337 A CN102956337 A CN 102956337A CN 2012104489465 A CN2012104489465 A CN 2012104489465A CN 201210448946 A CN201210448946 A CN 201210448946A CN 102956337 A CN102956337 A CN 102956337A
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Abstract
Description
试验号 | 氢气压力(atm) |
1 | 0.07 |
2 | 0.1 |
3 | 0.5 |
4 | 1 |
5 | 5 |
6 | 10 |
7 | 15 |
Claims (8)
Priority Applications (3)
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US14/441,944 US20150302960A1 (en) | 2012-11-09 | 2013-11-08 | Manufacturing method of a powder for compacting rare earth magnet and the rare earth magnet omitting jet milling process |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1347123A (zh) * | 2000-10-04 | 2002-05-01 | 住友特殊金属株式会社 | 稀土烧结磁铁及其制造方法 |
CN1360317A (zh) * | 2000-09-19 | 2002-07-24 | 住友特殊金属株式会社 | 稀土磁铁及其制造方法 |
CN1510700A (zh) * | 2002-12-26 | 2004-07-07 | 烟台正海磁性材料有限公司 | 含微量氧的R-Fe-B系烧结磁体及其制造方法 |
CN102211192A (zh) * | 2011-06-09 | 2011-10-12 | 天津一阳磁性材料有限责任公司 | 二次回收料制备高性能钕铁硼的方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1047683C (zh) * | 1992-09-30 | 1999-12-22 | 上海申建冶金机电技术工程公司 | 一种微晶稀土永磁体的制造方法 |
JP3415208B2 (ja) * | 1993-07-06 | 2003-06-09 | 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 |
CN1300807C (zh) * | 2001-12-19 | 2007-02-14 | 株式会社新王磁材 | 稀土类-铁-硼系合金以及磁各向异性永久磁体粉末及其制造方法 |
JP2008117855A (ja) * | 2006-11-01 | 2008-05-22 | Toyota Motor Corp | ナノコンポジット磁石の製造方法 |
CN101740190B (zh) * | 2008-11-26 | 2013-01-16 | 绵阳西磁磁电有限公司 | 一种高性价比高耐腐蚀性烧结钕铁硼磁体及制备方法 |
CN101812606B (zh) * | 2010-03-05 | 2012-09-05 | 宁波科田磁业有限公司 | 铸锭改铸片添加重稀土氧化物制备低成本钕铁硼的方法 |
CN102956337B (zh) * | 2012-11-09 | 2016-05-25 | 厦门钨业股份有限公司 | 一种烧结Nd-Fe-B系磁铁的省却工序的制作方法 |
CN102982936B (zh) * | 2012-11-09 | 2015-09-23 | 厦门钨业股份有限公司 | 烧结Nd-Fe-B系磁铁的省却工序的制作方法 |
-
2012
- 2012-11-09 CN CN201210448946.5A patent/CN102956337B/zh active Active
-
2013
- 2013-11-08 WO PCT/CN2013/086806 patent/WO2014071873A1/zh active Application Filing
- 2013-11-08 US US14/441,944 patent/US20150302960A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1360317A (zh) * | 2000-09-19 | 2002-07-24 | 住友特殊金属株式会社 | 稀土磁铁及其制造方法 |
CN1347123A (zh) * | 2000-10-04 | 2002-05-01 | 住友特殊金属株式会社 | 稀土烧结磁铁及其制造方法 |
CN1510700A (zh) * | 2002-12-26 | 2004-07-07 | 烟台正海磁性材料有限公司 | 含微量氧的R-Fe-B系烧结磁体及其制造方法 |
CN102211192A (zh) * | 2011-06-09 | 2011-10-12 | 天津一阳磁性材料有限责任公司 | 二次回收料制备高性能钕铁硼的方法 |
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