CN101652822B - R-Fe-B系稀土类烧结磁铁 - Google Patents
R-Fe-B系稀土类烧结磁铁 Download PDFInfo
- Publication number
- CN101652822B CN101652822B CN2008800111149A CN200880011114A CN101652822B CN 101652822 B CN101652822 B CN 101652822B CN 2008800111149 A CN2008800111149 A CN 2008800111149A CN 200880011114 A CN200880011114 A CN 200880011114A CN 101652822 B CN101652822 B CN 101652822B
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- China
- Prior art keywords
- rare earth
- sintered magnet
- heavy rare
- dvielement
- earth dvielement
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- 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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
- C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
- H01F1/06—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 in the form of particles, e.g. powder
- H01F1/08—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 in the form of particles, e.g. powder pressed, sintered, or bound together
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—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
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
- B22F2003/248—Thermal after-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2202/00—Physical properties
- C22C2202/02—Magnetic
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Thermal Sciences (AREA)
- Inorganic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
样品 | Nd | Dy | B | Co | Al | Cu | Fe |
12345 | 32.029.527.024.522.0 | 02.55.07.510.0 | 1.00 | 0.90 | 0.15 | 0.10 | bal. |
678910 | 31.529.026.524.021.5 | 0.53.05.58.010.5 | 1.00 | 0.90 | 0.15 | 0.10 | bal. |
Claims (5)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP196159/2007 | 2007-07-27 | ||
JP2007196159 | 2007-07-27 | ||
PCT/JP2008/001996 WO2009016815A1 (ja) | 2007-07-27 | 2008-07-25 | R-Fe-B系希土類焼結磁石 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101652822A CN101652822A (zh) | 2010-02-17 |
CN101652822B true CN101652822B (zh) | 2012-06-13 |
Family
ID=40304059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008800111149A Active CN101652822B (zh) | 2007-07-27 | 2008-07-25 | R-Fe-B系稀土类烧结磁铁 |
Country Status (10)
Country | Link |
---|---|
US (1) | US8177921B2 (zh) |
EP (1) | EP2178096B1 (zh) |
JP (1) | JP5532922B2 (zh) |
KR (1) | KR101474946B1 (zh) |
CN (1) | CN101652822B (zh) |
BR (1) | BRPI0813089B1 (zh) |
ES (1) | ES2563460T3 (zh) |
HU (1) | HUE028707T2 (zh) |
PL (1) | PL2178096T3 (zh) |
WO (1) | WO2009016815A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110997950A (zh) * | 2018-02-01 | 2020-04-10 | 福建省长汀金龙稀土有限公司 | 一种合金工件或金属工件的连续热处理装置以及方法 |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103227022B (zh) * | 2006-03-03 | 2017-04-12 | 日立金属株式会社 | R‑Fe‑B系稀土类烧结磁铁 |
KR101474946B1 (ko) * | 2007-07-27 | 2014-12-19 | 히다찌긴조꾸가부시끼가이사 | R-Fe-B계 희토류 소결 자석 |
HUE025146T2 (en) * | 2007-09-04 | 2016-01-28 | Hitachi Metals Ltd | R-Fe-B anisotropic sintered magnet |
CN102361998B (zh) * | 2009-03-31 | 2013-07-17 | 日立金属株式会社 | R-t-b-m系烧结磁体用合金及其制造方法 |
EP2455954B1 (en) * | 2009-07-15 | 2019-10-16 | Hitachi Metals, Ltd. | Process for production of r-t-b based sintered magnets |
CN102483980B (zh) * | 2010-03-04 | 2016-09-07 | Tdk株式会社 | 稀土烧结磁体和电动机 |
WO2011122638A1 (ja) * | 2010-03-30 | 2011-10-06 | Tdk株式会社 | 焼結磁石、モーター、自動車、及び焼結磁石の製造方法 |
US9350203B2 (en) | 2010-03-30 | 2016-05-24 | Tdk Corporation | Rare earth sintered magnet, method for producing the same, motor, and automobile |
JP5870522B2 (ja) * | 2010-07-14 | 2016-03-01 | トヨタ自動車株式会社 | 永久磁石の製造方法 |
JP5373834B2 (ja) * | 2011-02-15 | 2013-12-18 | 株式会社豊田中央研究所 | 希土類磁石およびその製造方法 |
JP5447736B2 (ja) | 2011-05-25 | 2014-03-19 | Tdk株式会社 | 希土類焼結磁石、希土類焼結磁石の製造方法及び回転機 |
KR101922188B1 (ko) * | 2011-08-03 | 2018-11-26 | 가부시키가이샤 산도쿠 | 희토류 소결 자석용 원료 합금 주편 및 그 제조 방법 |
JP6089535B2 (ja) * | 2011-10-28 | 2017-03-08 | Tdk株式会社 | R−t−b系焼結磁石 |
JP5338956B2 (ja) * | 2011-11-29 | 2013-11-13 | Tdk株式会社 | 希土類焼結磁石 |
JP5586648B2 (ja) | 2012-03-30 | 2014-09-10 | 株式会社東芝 | 永久磁石とそれを用いたモータおよび発電機 |
PH12013000103B1 (en) * | 2012-04-11 | 2015-09-07 | Shinetsu Chemical Co | Rare earth sintered magnet and making method |
JP6221233B2 (ja) * | 2012-12-28 | 2017-11-01 | 日立金属株式会社 | R−t−b系焼結磁石およびその製造方法 |
CN109275334A (zh) * | 2016-01-25 | 2019-01-25 | Ut巴特勒有限公司 | 具有选择性表面改性的钕-铁-硼磁体及其制造方法 |
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CN1098368C (zh) * | 1998-07-29 | 2003-01-08 | 同和矿业株式会社 | 耐热性优良的永磁体合金及其制造方法 |
CN1169165C (zh) * | 1998-10-14 | 2004-09-29 | 日立金属株式会社 | R-t-b系烧结型永磁体 |
CN1246864C (zh) * | 2001-01-30 | 2006-03-22 | 株式会社新王磁材 | 永久磁体的制造方法 |
CN101006534A (zh) * | 2005-04-15 | 2007-07-25 | 株式会社新王磁材 | 稀土类烧结磁铁及其制造方法 |
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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 |
JPH0547533A (ja) | 1991-08-15 | 1993-02-26 | Tdk Corp | 焼結永久磁石およびその製造方法 |
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ES2547853T3 (es) * | 2006-01-31 | 2015-10-09 | Hitachi Metals, Limited | Imán sinterizado de tierras raras de R-Fe-B y procedimiento para producir el mismo |
CN103227022B (zh) * | 2006-03-03 | 2017-04-12 | 日立金属株式会社 | R‑Fe‑B系稀土类烧结磁铁 |
JP4788427B2 (ja) | 2006-03-23 | 2011-10-05 | 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 |
JP4677942B2 (ja) | 2006-03-31 | 2011-04-27 | 日立金属株式会社 | R−Fe−B系希土類焼結磁石の製造方法 |
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MY149353A (en) * | 2007-03-16 | 2013-08-30 | Shinetsu Chemical Co | Rare earth permanent magnet and its preparations |
CN101652821B (zh) * | 2007-07-02 | 2013-06-12 | 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 |
KR101474946B1 (ko) * | 2007-07-27 | 2014-12-19 | 히다찌긴조꾸가부시끼가이사 | R-Fe-B계 희토류 소결 자석 |
HUE025146T2 (en) * | 2007-09-04 | 2016-01-28 | Hitachi Metals Ltd | R-Fe-B anisotropic sintered magnet |
-
2008
- 2008-07-25 KR KR1020097025351A patent/KR101474946B1/ko active IP Right Grant
- 2008-07-25 JP JP2009525275A patent/JP5532922B2/ja active Active
- 2008-07-25 HU HUE08776893A patent/HUE028707T2/en unknown
- 2008-07-25 BR BRPI0813089A patent/BRPI0813089B1/pt active IP Right Grant
- 2008-07-25 ES ES08776893.3T patent/ES2563460T3/es active Active
- 2008-07-25 EP EP08776893.3A patent/EP2178096B1/en active Active
- 2008-07-25 US US12/670,718 patent/US8177921B2/en active Active
- 2008-07-25 CN CN2008800111149A patent/CN101652822B/zh active Active
- 2008-07-25 WO PCT/JP2008/001996 patent/WO2009016815A1/ja active Application Filing
- 2008-07-25 PL PL08776893T patent/PL2178096T3/pl unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1098368C (zh) * | 1998-07-29 | 2003-01-08 | 同和矿业株式会社 | 耐热性优良的永磁体合金及其制造方法 |
CN1169165C (zh) * | 1998-10-14 | 2004-09-29 | 日立金属株式会社 | R-t-b系烧结型永磁体 |
CN1246864C (zh) * | 2001-01-30 | 2006-03-22 | 株式会社新王磁材 | 永久磁体的制造方法 |
CN101006534A (zh) * | 2005-04-15 | 2007-07-25 | 株式会社新王磁材 | 稀土类烧结磁铁及其制造方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110997950A (zh) * | 2018-02-01 | 2020-04-10 | 福建省长汀金龙稀土有限公司 | 一种合金工件或金属工件的连续热处理装置以及方法 |
CN110997950B (zh) * | 2018-02-01 | 2021-07-16 | 福建省长汀金龙稀土有限公司 | 一种合金工件或金属工件的连续热处理装置以及方法 |
Also Published As
Publication number | Publication date |
---|---|
BRPI0813089A2 (pt) | 2015-08-04 |
CN101652822A (zh) | 2010-02-17 |
ES2563460T3 (es) | 2016-03-15 |
EP2178096B1 (en) | 2015-12-23 |
EP2178096A1 (en) | 2010-04-21 |
PL2178096T3 (pl) | 2016-06-30 |
US20110012699A1 (en) | 2011-01-20 |
EP2178096A4 (en) | 2011-08-17 |
US8177921B2 (en) | 2012-05-15 |
KR101474946B1 (ko) | 2014-12-19 |
KR20100037030A (ko) | 2010-04-08 |
JP5532922B2 (ja) | 2014-06-25 |
JPWO2009016815A1 (ja) | 2010-10-14 |
WO2009016815A1 (ja) | 2009-02-05 |
BRPI0813089B1 (pt) | 2019-02-05 |
HUE028707T2 (en) | 2016-12-28 |
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C56 | Change in the name or address of the patentee | ||
CP02 | Change in the address of a patent holder |
Address after: Japan Tokyo port harbor 2 chome No. 70 Patentee after: Hitachi Metals Co., Ltd. Address before: Tokyo, Japan, Japan Patentee before: Hitachi Metals Co., Ltd. Address after: Japan Tokyo port harbor 2 chome No. 70 Patentee after: Hitachi Metals Co., Ltd. Address before: Tokyo, Japan, Japan Patentee before: Hitachi Metals Co., Ltd. |
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EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20100217 Assignee: Hitachi metal ring Ci material (Nantong) Co. Ltd. Assignor: Hitachi Metals Contract record no.: 2017990000034 Denomination of invention: R-fe-b rare earth sintered magnet Granted publication date: 20120613 License type: Common License Record date: 20170209 Application publication date: 20100217 Assignee: Hitachi metal ring Ci material (Nantong) Co. Ltd. Assignor: Hitachi Metals Contract record no.: 2017990000034 Denomination of invention: R-fe-b rare earth sintered magnet Granted publication date: 20120613 License type: Common License Record date: 20170209 |
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LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CI03 | Correction of invention patent |
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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CI03 | Correction of invention patent |