CN104040654A - R-t-b系烧结磁体的制造方法 - Google Patents
R-t-b系烧结磁体的制造方法 Download PDFInfo
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- CN104040654A CN104040654A CN201380004680.8A CN201380004680A CN104040654A CN 104040654 A CN104040654 A CN 104040654A CN 201380004680 A CN201380004680 A CN 201380004680A CN 104040654 A CN104040654 A CN 104040654A
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- 229910052771 Terbium Inorganic materials 0.000 claims abstract description 13
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- 238000010438 heat treatment Methods 0.000 claims description 35
- 150000002910 rare earth metals Chemical class 0.000 claims description 22
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- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical class [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
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- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910003978 SiClx Inorganic materials 0.000 description 1
- 229910001117 Tb alloy Inorganic materials 0.000 description 1
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- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 description 1
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- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
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- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- 239000007769 metal material Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
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- 238000004064 recycling Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
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- 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
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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
- H01F41/0293—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 diffusion of rare earth elements, e.g. Tb, Dy or Ho, into permanent magnets
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- 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
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- 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
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- Physics & Mathematics (AREA)
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Abstract
Description
No. | TRE | Nd | Dy | TRE’ | O | N | C | B | Al | Cu | Co | Ga | Fe |
1 | 30.5 | 30 | 0.5 | 28.5 | 0.20 | 0.02 | 0.08 | 1 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
2 | 31 | 30.5 | 0.5 | 28.4 | 0.30 | 0.02 | 0.08 | 1 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
3 | 32 | 31.5 | 0.5 | 30.0 | 0.20 | 0.02 | 0.08 | 1 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
No | TRE | Nd | Dy | TRE’ | O | N | C | B | Al | Cu | Co | Ga | Fe |
4 | 31 | 30.5 | 0.5 | 28.9 | 0.20 | 0.03 | 0.08 | 1 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
5 | 31 | 30.5 | 0.5 | 27.3 | 0.45 | 0.03 | 0.09 | 1 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
No | TRE | Nd | Dy | TRE’ | O | N | C | B | Al | Cu | Co | Ga | Fe |
6 | 31 | 30.5 | 0.5 | 27.7 | 0.40 | 0.03 | 0.08 | 1 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
7 | 31 | 30.5 | 0.5 | 28.1 | 0.35 | 0.02 | 0.08 | 1 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
8 | 31 | 30.5 | 0.5 | 29.6 | 0.10 | 0.02 | 0.08 | 1 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
9 | 31 | 30.5 | 0.5 | 29.9 | 0.05 | 0.02 | 0.08 | 1 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
10 | 32 | 31.5 | 0.5 | 28.8 | 0.40 | 0.02 | 0.08 | 1 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
11 | 32 | 31.5 | 0.5 | 29.7 | 0.20 | 0.05 | 0.08 | 1 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
12 | 34 | 33.5 | 0.5 | 31.9 | 0.20 | 0.03 | 0.08 | 1 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
13 | 36 | 35.5 | 0.5 | 33.9 | 0.20 | 0.03 | 0.08 | 1 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
14 | 36 | 35.5 | 0.5 | 34.5 | 0.10 | 0.03 | 0.08 | 1 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
15 | 37 | 36.5 | 0.5 | 35.0 | 0.20 | 0.02 | 0.08 | 1 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
16 | 37 | 36.5 | 0.5 | 35.6 | 0.10 | 0.02 | 0.08 | 1 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
No | TRE | Nd | Dy | TRE’ | O | N | C | B | Al | Cu | Co | Ga | Fe |
17 | 32 | 31.5 | 0.5 | 30.0 | 0.20 | 0.02 | 0.08 | 0.99 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
18 | 32 | 31.5 | 0.5 | 27.7 | 0.50 | 0.05 | 0.1 | 0.99 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
No | TRE | Nd | Pr | Dy | TE’ | O | N | C | B | Al | Cu | Co | Ga | Fe |
20 | 31 | 29.5 | 1.0 | 0.5 | 28.5 | 0.30 | 0.02 | 0.06 | 0.99 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
No | TRE | Nd | Pr | Dy | TRE’ | O | N | C | B | Al | Cu | Co | Ga | Fe |
22 | 33 | 31.5 | 1.0 | 0.5 | 31.0 | 0.20 | 0.02 | 0.08 | 1.01 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
No | TRE | Nd | Dy | TRE’ | O | N | C | B | Al | Cu | Co | Ga | Fe |
23 | 31 | 30.5 | 0.5 | 29.0 | 0.20 | 0.01 | 0.09 | 0.99 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
No | TFE | Nd | Dy | TRE’ | O | N | C | B | Al | Cu | Co | Ga | Fe |
24 | 31 | 30.5 | 0.5 | 29.5 | 0.10 | 0.03 | 0.08 | 1 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
25 | 31 | 30 | 1 | 29.6 | 0.10 | 0.02 | 0.08 | 1 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
26 | 31 | 29.5 | 1.5 | 29.6 | 0.10 | 0.02 | 0.08 | 1 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
27 | 31 | 29 | 2 | 29.6 | 0.10 | 0.02 | 0.08 | 1 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
28 | 31 | 26.5 | 4.5 | 29.6 | 0.10 | 0.02 | 0.08 | 1 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
29 | 31 | 24 | 7 | 29.3 | 0.10 | 0.05 | 0.08 | 1 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
30 | 31 | 21 | 10 | 29.5 | 0.10 | 0.08 | 0.08 | 1 | 0.1 | 0.1 | 0.9 | 0.1 | Bal |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004296973A (ja) * | 2003-03-28 | 2004-10-21 | Kenichi Machida | 金属蒸気収着による高性能希土類磁石の製造 |
CN101331566A (zh) * | 2006-03-03 | 2008-12-24 | 日立金属株式会社 | R-Fe-B系稀土类烧结磁铁及其制造方法 |
WO2009107397A1 (ja) * | 2008-02-28 | 2009-09-03 | 日立金属株式会社 | R-Fe-B系希土類焼結磁石の製造方法およびその方法によって製造された希土類焼結磁石 |
CN101620904A (zh) * | 2008-05-29 | 2010-01-06 | Tdk株式会社 | 磁铁的制造方法 |
WO2011007758A1 (ja) * | 2009-07-15 | 2011-01-20 | 日立金属株式会社 | R-t-b系焼結磁石の製造方法およびr-t-b系焼結磁石 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69318998T2 (de) | 1992-02-15 | 1998-10-15 | Santoku Metal Ind | Legierungsblock für einen Dauermagnet, anisotropes Pulver für einen Dauermagnet, Verfahren zur Herstellung eines solchen und Dauermagneten |
KR101336744B1 (ko) | 2006-03-03 | 2013-12-04 | 히다찌긴조꾸가부시끼가이사 | RFeB계 희토류 소결 자석 및 그 제조 방법 |
JP4962198B2 (ja) * | 2007-08-06 | 2012-06-27 | 日立金属株式会社 | R−Fe−B系希土類焼結磁石およびその製造方法 |
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 |
US9350203B2 (en) | 2010-03-30 | 2016-05-24 | Tdk Corporation | Rare earth sintered magnet, method for producing the same, motor, and automobile |
BR112013000789A2 (pt) * | 2010-07-12 | 2016-08-09 | Hitachi Metals Ltd | método para produzir ímãs sinterizados à base de r-t-b |
US9324494B2 (en) * | 2010-07-13 | 2016-04-26 | Hitachi Metals, Ltd. | Treatment device |
JP5760400B2 (ja) | 2010-11-17 | 2015-08-12 | 日立金属株式会社 | R−Fe−B系焼結磁石の製造方法 |
WO2012099186A1 (ja) | 2011-01-19 | 2012-07-26 | 日立金属株式会社 | R-t-b系焼結磁石の製造方法 |
JP5854304B2 (ja) * | 2011-01-19 | 2016-02-09 | 日立金属株式会社 | R−t−b系焼結磁石の製造方法 |
-
2013
- 2013-01-17 US US14/372,543 patent/US9478332B2/en active Active
- 2013-01-17 WO PCT/JP2013/050780 patent/WO2013108830A1/ja active Application Filing
- 2013-01-17 JP JP2013554335A patent/JP5999106B2/ja active Active
- 2013-01-17 CN CN201380004680.8A patent/CN104040654B/zh active Active
- 2013-01-17 EP EP13738350.1A patent/EP2806438B1/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004296973A (ja) * | 2003-03-28 | 2004-10-21 | Kenichi Machida | 金属蒸気収着による高性能希土類磁石の製造 |
CN101331566A (zh) * | 2006-03-03 | 2008-12-24 | 日立金属株式会社 | R-Fe-B系稀土类烧结磁铁及其制造方法 |
WO2009107397A1 (ja) * | 2008-02-28 | 2009-09-03 | 日立金属株式会社 | R-Fe-B系希土類焼結磁石の製造方法およびその方法によって製造された希土類焼結磁石 |
CN101620904A (zh) * | 2008-05-29 | 2010-01-06 | Tdk株式会社 | 磁铁的制造方法 |
WO2011007758A1 (ja) * | 2009-07-15 | 2011-01-20 | 日立金属株式会社 | R-t-b系焼結磁石の製造方法およびr-t-b系焼結磁石 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105115187A (zh) * | 2015-09-18 | 2015-12-02 | 天津阜昭合金材料有限公司 | 一种用于永磁体粉末的一体式加热制冷装置 |
CN105115187B (zh) * | 2015-09-18 | 2017-05-10 | 天津阜昭合金材料有限公司 | 一种用于永磁体粉末的一体式加热制冷装置 |
CN108140481A (zh) * | 2015-10-19 | 2018-06-08 | 日立金属株式会社 | R-t-b系烧结磁体的制造方法和r-t-b系烧结磁体 |
CN108140481B (zh) * | 2015-10-19 | 2020-07-28 | 日立金属株式会社 | R-t-b系烧结磁体的制造方法和r-t-b系烧结磁体 |
CN107134336A (zh) * | 2016-02-26 | 2017-09-05 | Tdk株式会社 | R‑t‑b系永久磁铁 |
CN107134336B (zh) * | 2016-02-26 | 2019-05-07 | Tdk株式会社 | R-t-b系永久磁铁 |
CN109585108A (zh) * | 2017-09-28 | 2019-04-05 | 日立金属株式会社 | R-t-b系烧结磁体的制造方法和扩散源 |
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