WO2008096621A1 - R-t-b系合金とその製造方法、r-t-b系希土類永久磁石用微粉、r-t-b系希土類永久磁石 - Google Patents
R-t-b系合金とその製造方法、r-t-b系希土類永久磁石用微粉、r-t-b系希土類永久磁石 Download PDFInfo
- Publication number
- WO2008096621A1 WO2008096621A1 PCT/JP2008/051186 JP2008051186W WO2008096621A1 WO 2008096621 A1 WO2008096621 A1 WO 2008096621A1 JP 2008051186 W JP2008051186 W JP 2008051186W WO 2008096621 A1 WO2008096621 A1 WO 2008096621A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- alloy
- permanent magnet
- rare earth
- earth permanent
- mass
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0611—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by a single casting wheel, e.g. for casting amorphous metal strips or wires
-
- 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%
-
- 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
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/041—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by mechanical alloying, e.g. blending, milling
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/044—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by jet milling
-
- 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
-
- 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
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
-
- 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
- H01F1/058—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IVa elements, e.g. Gd2Fe14C
-
- 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
- H01F1/059—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/280,930 US20090035170A1 (en) | 2007-02-05 | 2008-01-28 | R-t-b type alloy and production method thereof, fine powder for r-t-b type rare earth permanent magnet, and r-t-b type rare earth permanent magnet |
EP08703995A EP1988183A4 (en) | 2007-02-05 | 2008-01-28 | R-T-B ALLOY, METHOD OF MANUFACTURING THEREOF, FINE POWDER FOR A PERMANENT R-T-B RARE TERMINAL, AND PERMANENT R-T-B RARE-TERM DIAGNET |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007025504 | 2007-02-05 | ||
JP2007-025504 | 2007-02-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008096621A1 true WO2008096621A1 (ja) | 2008-08-14 |
Family
ID=39681532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/051186 WO2008096621A1 (ja) | 2007-02-05 | 2008-01-28 | R-t-b系合金とその製造方法、r-t-b系希土類永久磁石用微粉、r-t-b系希土類永久磁石 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20090035170A1 (ja) |
EP (1) | EP1988183A4 (ja) |
JP (1) | JP2008214747A (ja) |
KR (1) | KR101036968B1 (ja) |
CN (1) | CN101541996A (ja) |
RU (1) | RU2389097C1 (ja) |
TW (1) | TW200903532A (ja) |
WO (1) | WO2008096621A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110260565A1 (en) * | 2008-12-26 | 2011-10-27 | Showa Denko K.K. | Alloy material for r-t- b system rare earth permanent magnet, method for production of r-t-b system rare earth permanent magnet, and motor |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5767788B2 (ja) * | 2010-06-29 | 2015-08-19 | 昭和電工株式会社 | R−t−b系希土類永久磁石、モーター、自動車、発電機、風力発電装置 |
JP2012015168A (ja) * | 2010-06-29 | 2012-01-19 | Showa Denko Kk | R−t−b系希土類永久磁石、モーター、自動車、発電機、風力発電装置 |
JP5753481B2 (ja) * | 2011-11-28 | 2015-07-22 | 中央電気工業株式会社 | 希土類系合金およびその製造方法 |
US10497497B2 (en) | 2012-02-02 | 2019-12-03 | Santoku Corporation | R-T-B—Ga-based magnet material alloy and method of producing the same |
CN104674115A (zh) | 2013-11-27 | 2015-06-03 | 厦门钨业股份有限公司 | 一种低b的稀土磁铁 |
CN104952574A (zh) | 2014-03-31 | 2015-09-30 | 厦门钨业股份有限公司 | 一种含W的Nd-Fe-B-Cu系烧结磁铁 |
CN105321647B (zh) | 2014-07-30 | 2018-02-23 | 厦门钨业股份有限公司 | 稀土磁铁用急冷合金和稀土磁铁的制备方法 |
GB2536939A (en) * | 2015-04-01 | 2016-10-05 | Isis Innovation | Method for designing alloys |
US10468168B2 (en) * | 2015-04-02 | 2019-11-05 | Xiamen Tungsten Co., Ltd. | Rare-earth magnet comprising holmium and tungsten |
JP6614084B2 (ja) * | 2016-09-26 | 2019-12-04 | 信越化学工業株式会社 | R−Fe−B系焼結磁石の製造方法 |
JP6863008B2 (ja) * | 2017-03-30 | 2021-04-21 | Tdk株式会社 | R−t−b系希土類焼結磁石用合金およびr−t−b系希土類焼結磁石の製造方法 |
CN106920620A (zh) * | 2017-04-05 | 2017-07-04 | 北京京磁电工科技有限公司 | 钕铁硼磁体及其制备方法 |
KR102045402B1 (ko) * | 2018-04-30 | 2019-11-15 | 성림첨단산업(주) | 희토류 영구자석의 제조방법 |
Citations (5)
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JPH11315357A (ja) * | 1999-03-11 | 1999-11-16 | Showa Denko Kk | 希土類磁石用合金及びその製造方法 |
WO2003001541A1 (fr) * | 2001-06-22 | 2003-01-03 | Sumitomo Special Metals Co., Ltd. | Aimant des terres rares et procede de production dudit aimant |
JP2003226944A (ja) * | 2002-02-05 | 2003-08-15 | Sumitomo Special Metals Co Ltd | 希土類−鉄−硼素系磁石用合金粉末を用いた焼結磁石 |
JP2006310660A (ja) * | 2005-04-28 | 2006-11-09 | Neomax Co Ltd | 高電気抵抗r−t−b系焼結磁石およびその製造方法 |
JP2007119882A (ja) * | 2005-10-31 | 2007-05-17 | Showa Denko Kk | R−t−b系合金及びr−t−b系合金薄片の製造方法、r−t−b系希土類永久磁石用微粉、r−t−b系希土類永久磁石 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7004228B2 (en) * | 2000-10-06 | 2006-02-28 | Santoku Corporation | Process for producing, through strip casting, raw alloy for nanocomposite type permanent magnet |
EP1365422B1 (en) * | 2001-01-30 | 2012-04-25 | Hitachi Metals, Ltd. | Method for preparation of permanent magnet |
CN1300360C (zh) * | 2001-03-30 | 2007-02-14 | 株式会社新王磁材 | 稀土合金烧坯及其制造方法 |
US7632360B2 (en) * | 2003-08-27 | 2009-12-15 | Nissan Motor Co., Ltd. | Rare earth magnet powder and method of producing the same |
WO2005105343A1 (ja) * | 2004-04-30 | 2005-11-10 | Neomax Co., Ltd. | 希土類磁石用原料合金および粉末ならびに焼結磁石の製造方法 |
KR101316803B1 (ko) * | 2005-03-18 | 2013-10-11 | 가부시키가이샤 알박 | 성막 방법, 성막 장치, 영구자석 및 영구자석의 제조 방법 |
EP1879201B1 (en) * | 2005-04-15 | 2016-11-30 | Hitachi Metals, Ltd. | Rare earth sintered magnet and process for producing the same |
-
2008
- 2008-01-28 WO PCT/JP2008/051186 patent/WO2008096621A1/ja active Application Filing
- 2008-01-28 US US12/280,930 patent/US20090035170A1/en not_active Abandoned
- 2008-01-28 RU RU2008135113/02A patent/RU2389097C1/ru not_active IP Right Cessation
- 2008-01-28 KR KR1020087021142A patent/KR101036968B1/ko not_active IP Right Cessation
- 2008-01-28 CN CNA200880000095XA patent/CN101541996A/zh active Pending
- 2008-01-28 EP EP08703995A patent/EP1988183A4/en not_active Withdrawn
- 2008-01-29 JP JP2008018041A patent/JP2008214747A/ja active Pending
- 2008-01-30 TW TW097103541A patent/TW200903532A/zh unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH11315357A (ja) * | 1999-03-11 | 1999-11-16 | Showa Denko Kk | 希土類磁石用合金及びその製造方法 |
WO2003001541A1 (fr) * | 2001-06-22 | 2003-01-03 | Sumitomo Special Metals Co., Ltd. | Aimant des terres rares et procede de production dudit aimant |
JP2003226944A (ja) * | 2002-02-05 | 2003-08-15 | Sumitomo Special Metals Co Ltd | 希土類−鉄−硼素系磁石用合金粉末を用いた焼結磁石 |
JP2006310660A (ja) * | 2005-04-28 | 2006-11-09 | Neomax Co Ltd | 高電気抵抗r−t−b系焼結磁石およびその製造方法 |
JP2007119882A (ja) * | 2005-10-31 | 2007-05-17 | Showa Denko Kk | R−t−b系合金及びr−t−b系合金薄片の製造方法、r−t−b系希土類永久磁石用微粉、r−t−b系希土類永久磁石 |
Non-Patent Citations (1)
Title |
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See also references of EP1988183A4 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110260565A1 (en) * | 2008-12-26 | 2011-10-27 | Showa Denko K.K. | Alloy material for r-t- b system rare earth permanent magnet, method for production of r-t-b system rare earth permanent magnet, and motor |
CN102264932A (zh) * | 2008-12-26 | 2011-11-30 | 昭和电工株式会社 | R-t-b系稀土类永久磁铁用合金材料、r-t-b系稀土类永久磁铁的制造方法和电动机 |
Also Published As
Publication number | Publication date |
---|---|
US20090035170A1 (en) | 2009-02-05 |
KR101036968B1 (ko) | 2011-05-25 |
EP1988183A4 (en) | 2012-01-25 |
RU2008135113A (ru) | 2010-03-10 |
JP2008214747A (ja) | 2008-09-18 |
CN101541996A (zh) | 2009-09-23 |
EP1988183A1 (en) | 2008-11-05 |
RU2389097C1 (ru) | 2010-05-10 |
TW200903532A (en) | 2009-01-16 |
KR20080106211A (ko) | 2008-12-04 |
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