CN102714081A - 耐腐蚀性磁铁及其制造方法 - Google Patents
耐腐蚀性磁铁及其制造方法 Download PDFInfo
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- CN102714081A CN102714081A CN2010800621825A CN201080062182A CN102714081A CN 102714081 A CN102714081 A CN 102714081A CN 2010800621825 A CN2010800621825 A CN 2010800621825A CN 201080062182 A CN201080062182 A CN 201080062182A CN 102714081 A CN102714081 A CN 102714081A
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Classifications
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- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
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- 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
- H01F41/026—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 protecting methods against environmental influences, e.g. oxygen, by surface treatment
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- 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
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- 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
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- Engineering & Computer Science (AREA)
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- Power Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Chemical Treatment Of Metals (AREA)
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Abstract
Description
主相上部 | Zr | Nd | Pr | Fe | O | F | 备注 |
点1 | 35.2 | 1.7 | 0.5 | 13.3 | 49.4 | 外侧层 | |
点2 | 19.1 | 3.2 | 24.0 | 53.7 | 第二中间层 | ||
点3 | 7.7 | 2.0 | 62.5 | 27.9 | 第一中间层 | ||
点4 | 4.6 | 0.8 | 61.3 | 24.4 | 8.9 | 内侧层 | |
点5 | 6.1 | 1.4 | 82.3 | 10.2 | 磁铁主相 |
晶界相上部 | Zr | Nd | Pr | Fe | O | F | 备注 |
点1 | 49.7 | 1.8 | 0.6 | 2.7 | 45.1 | 外侧层 | |
点2 | 16.9 | 12.6 | 4.6 | 6.4 | 59.6 | 中间层 | |
点3 | 25.7 | 8.2 | 0.4 | 55.4 | 10.3 | 内侧层 | |
点4 | 41.6 | 14.4 | 2.5 | 41.4 | 磁铁晶界相 |
热处理层上部 | Zr | Nd | Pr | Fe | O | F | 备注 |
点1 | 10.0 | 0.3 | 0.2 | 2.4 | 87.1 | 外侧层 | |
点2 | 36.7 | 9.4 | 5.0 | 35.5 | 13.4 | 内侧层 | |
点3 | 33.6 | 7.6 | 16.4 | 42.3 | 热处理层 |
Claims (15)
Applications Claiming Priority (3)
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JP2009-297153 | 2009-12-28 | ||
JP2009297153 | 2009-12-28 | ||
PCT/JP2010/073675 WO2011081170A1 (ja) | 2009-12-28 | 2010-12-28 | 耐食性磁石およびその製造方法 |
Publications (2)
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CN102714081A true CN102714081A (zh) | 2012-10-03 |
CN102714081B CN102714081B (zh) | 2015-11-25 |
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CN201080062182.5A Active CN102714081B (zh) | 2009-12-28 | 2010-12-28 | 耐腐蚀性磁铁及其制造方法 |
Country Status (5)
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US (1) | US20120299676A1 (zh) |
EP (1) | EP2521141B1 (zh) |
JP (1) | JP5573848B2 (zh) |
CN (1) | CN102714081B (zh) |
WO (1) | WO2011081170A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20200381984A1 (en) * | 2019-05-31 | 2020-12-03 | MagniX USA, Inc. | High-torque electric motor assembly |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2858074A4 (en) * | 2012-05-30 | 2016-02-17 | Hitachi Ltd | SINTER MAGNET AND METHOD FOR THE PRODUCTION THEREOF |
WO2013186864A1 (ja) * | 2012-06-13 | 2013-12-19 | 株式会社 日立製作所 | 焼結磁石及びその製造方法 |
US10375901B2 (en) | 2014-12-09 | 2019-08-13 | Mtd Products Inc | Blower/vacuum |
JP7145701B2 (ja) | 2018-09-06 | 2022-10-03 | 大同特殊鋼株式会社 | 希土類焼結磁石及びその製造方法 |
CN111128537B (zh) * | 2019-12-27 | 2022-01-25 | 浙江工业大学 | 一种基于氟锆酸水解的软磁复合材料制备方法 |
CN115537796A (zh) * | 2022-09-02 | 2022-12-30 | 中国科学院宁波材料技术与工程研究所 | 烧结钕铁硼磁体的表面防护方法及其制品 |
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JP2004327966A (ja) * | 2003-04-07 | 2004-11-18 | Neomax Co Ltd | リン酸鉄系皮膜被覆r−t−b系磁石及びその化成処理方法 |
CN101276665A (zh) * | 2007-03-29 | 2008-10-01 | 株式会社日立制作所 | 稀土类磁铁及其制造方法 |
CN102084438A (zh) * | 2008-07-04 | 2011-06-01 | 日立金属株式会社 | 耐腐蚀性磁铁及其制造方法 |
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JP3471876B2 (ja) * | 1992-12-26 | 2003-12-02 | 住友特殊金属株式会社 | 耐食性のすぐれた希土類磁石及びその製造方法 |
JP2000199074A (ja) * | 1998-12-28 | 2000-07-18 | Nippon Parkerizing Co Ltd | 希土類・鉄系焼結永久磁石の沈着型表面処理液および表面処理方法、ならびに該表面処理方法により得られた表面を有する希土類・鉄系焼結永久磁石 |
DE60106695T2 (de) * | 2000-08-11 | 2005-03-31 | Neomax Co., Ltd. | Auf einem Seltenerdmetall basierender Permanentmagnet mit einem korrosionsbeständigen Film und Verfahren zu seiner Herstellung |
TWI268965B (en) * | 2001-06-15 | 2006-12-21 | Nihon Parkerizing | Treating solution for surface treatment of metal and surface treatment method |
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2010
- 2010-12-28 US US13/516,798 patent/US20120299676A1/en not_active Abandoned
- 2010-12-28 CN CN201080062182.5A patent/CN102714081B/zh active Active
- 2010-12-28 JP JP2011547708A patent/JP5573848B2/ja active Active
- 2010-12-28 WO PCT/JP2010/073675 patent/WO2011081170A1/ja active Application Filing
- 2010-12-28 EP EP10841025.9A patent/EP2521141B1/en active Active
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JP2004327966A (ja) * | 2003-04-07 | 2004-11-18 | Neomax Co Ltd | リン酸鉄系皮膜被覆r−t−b系磁石及びその化成処理方法 |
CN101276665A (zh) * | 2007-03-29 | 2008-10-01 | 株式会社日立制作所 | 稀土类磁铁及其制造方法 |
CN102084438A (zh) * | 2008-07-04 | 2011-06-01 | 日立金属株式会社 | 耐腐蚀性磁铁及其制造方法 |
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US20200381984A1 (en) * | 2019-05-31 | 2020-12-03 | MagniX USA, Inc. | High-torque electric motor assembly |
Also Published As
Publication number | Publication date |
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US20120299676A1 (en) | 2012-11-29 |
EP2521141A4 (en) | 2014-06-04 |
JP5573848B2 (ja) | 2014-08-20 |
JPWO2011081170A1 (ja) | 2013-05-13 |
CN102714081B (zh) | 2015-11-25 |
EP2521141A1 (en) | 2012-11-07 |
WO2011081170A1 (ja) | 2011-07-07 |
EP2521141B1 (en) | 2016-11-09 |
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