KR101036968B1 - R-t-b계 합금 및 그 제조 방법, r-t-b계 희토류 영구자석용 미분말 및 r-t-b계 희토류 영구 자석 - Google Patents
R-t-b계 합금 및 그 제조 방법, r-t-b계 희토류 영구자석용 미분말 및 r-t-b계 희토류 영구 자석 Download PDFInfo
- Publication number
- KR101036968B1 KR101036968B1 KR1020087021142A KR20087021142A KR101036968B1 KR 101036968 B1 KR101036968 B1 KR 101036968B1 KR 1020087021142 A KR1020087021142 A KR 1020087021142A KR 20087021142 A KR20087021142 A KR 20087021142A KR 101036968 B1 KR101036968 B1 KR 101036968B1
- Authority
- KR
- South Korea
- Prior art keywords
- alloy
- phase
- rare earth
- earth permanent
- permanent magnet
- Prior art date
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Classifications
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- 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%
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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
- 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)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Crystallography & Structural Chemistry (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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2007-00025504 | 2007-02-05 | ||
JP2007025504 | 2007-02-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080106211A KR20080106211A (ko) | 2008-12-04 |
KR101036968B1 true KR101036968B1 (ko) | 2011-05-25 |
Family
ID=39681532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020087021142A KR101036968B1 (ko) | 2007-02-05 | 2008-01-28 | R-t-b계 합금 및 그 제조 방법, r-t-b계 희토류 영구자석용 미분말 및 r-t-b계 희토류 영구 자석 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20090035170A1 (zh) |
EP (1) | EP1988183A4 (zh) |
JP (1) | JP2008214747A (zh) |
KR (1) | KR101036968B1 (zh) |
CN (1) | CN101541996A (zh) |
RU (1) | RU2389097C1 (zh) |
TW (1) | TW200903532A (zh) |
WO (1) | WO2008096621A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019212102A1 (ko) * | 2018-04-30 | 2019-11-07 | 성림첨단산업(주) | 희토류 영구자석의 제조방법 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102264932B (zh) * | 2008-12-26 | 2013-12-04 | 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 |
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 |
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 |
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 |
WO2016155674A1 (zh) * | 2015-04-02 | 2016-10-06 | 厦门钨业股份有限公司 | 一种含有Ho和W的稀土磁铁 |
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 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003001541A1 (fr) * | 2001-06-22 | 2003-01-03 | Sumitomo Special Metals Co., Ltd. | Aimant des terres rares et procede de production dudit aimant |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3721831B2 (ja) * | 1999-03-11 | 2005-11-30 | 昭和電工株式会社 | 希土類磁石用合金及びその製造方法 |
JP4787459B2 (ja) * | 2000-10-06 | 2011-10-05 | 株式会社三徳 | ストリップキャスト法を用いたナノコンポジット型永久磁石用原料合金の製造方法 |
JP3765793B2 (ja) * | 2001-01-30 | 2006-04-12 | 株式会社Neomax | 永久磁石の製造方法 |
EP1645648B1 (en) * | 2001-03-30 | 2007-07-25 | Neomax Co., Ltd. | A rare earth alloy sintered compact |
JP4389427B2 (ja) * | 2002-02-05 | 2009-12-24 | 日立金属株式会社 | 希土類−鉄−硼素系磁石用合金粉末を用いた焼結磁石 |
WO2005023462A1 (ja) * | 2003-08-27 | 2005-03-17 | Mitsubishi Materials Corporation | 希土類磁石粉末およびその製造方法 |
US7585378B2 (en) * | 2004-04-30 | 2009-09-08 | Hitachi Metals, Ltd. | Methods for producing raw material alloy for rare earth magnet, powder and sintered magnet |
WO2006100968A1 (ja) * | 2005-03-18 | 2006-09-28 | Ulvac, Inc. | 成膜方法及び成膜装置並びに永久磁石及び永久磁石の製造方法 |
WO2006112403A1 (ja) * | 2005-04-15 | 2006-10-26 | Hitachi Metals, Ltd. | 希土類焼結磁石とその製造方法 |
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 |
JP4832856B2 (ja) * | 2005-10-31 | 2011-12-07 | 昭和電工株式会社 | 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 |
-
2008
- 2008-01-28 WO PCT/JP2008/051186 patent/WO2008096621A1/ja active Application Filing
- 2008-01-28 EP EP08703995A patent/EP1988183A4/en not_active Withdrawn
- 2008-01-28 US US12/280,930 patent/US20090035170A1/en not_active Abandoned
- 2008-01-28 KR KR1020087021142A patent/KR101036968B1/ko not_active IP Right Cessation
- 2008-01-28 RU RU2008135113/02A patent/RU2389097C1/ru not_active IP Right Cessation
- 2008-01-28 CN CNA200880000095XA patent/CN101541996A/zh active Pending
- 2008-01-29 JP JP2008018041A patent/JP2008214747A/ja active Pending
- 2008-01-30 TW TW097103541A patent/TW200903532A/zh unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003001541A1 (fr) * | 2001-06-22 | 2003-01-03 | Sumitomo Special Metals Co., Ltd. | Aimant des terres rares et procede de production dudit aimant |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019212102A1 (ko) * | 2018-04-30 | 2019-11-07 | 성림첨단산업(주) | 희토류 영구자석의 제조방법 |
US11897034B2 (en) | 2018-04-30 | 2024-02-13 | Star Group Ind. Co., Ltd | Method for manufacturing rare earth permanent magnet |
Also Published As
Publication number | Publication date |
---|---|
RU2008135113A (ru) | 2010-03-10 |
EP1988183A4 (en) | 2012-01-25 |
JP2008214747A (ja) | 2008-09-18 |
RU2389097C1 (ru) | 2010-05-10 |
WO2008096621A1 (ja) | 2008-08-14 |
CN101541996A (zh) | 2009-09-23 |
TW200903532A (en) | 2009-01-16 |
US20090035170A1 (en) | 2009-02-05 |
KR20080106211A (ko) | 2008-12-04 |
EP1988183A1 (en) | 2008-11-05 |
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