CN1139082C - 用于生产稀土磁体的铸造合金和生产铸造合金与磁体的方法 - Google Patents
用于生产稀土磁体的铸造合金和生产铸造合金与磁体的方法 Download PDFInfo
- Publication number
- CN1139082C CN1139082C CNB971112843A CN97111284A CN1139082C CN 1139082 C CN1139082 C CN 1139082C CN B971112843 A CNB971112843 A CN B971112843A CN 97111284 A CN97111284 A CN 97111284A CN 1139082 C CN1139082 C CN 1139082C
- Authority
- CN
- China
- Prior art keywords
- phase
- rich
- alloy
- rare earth
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- 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
-
- 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
- B22F3/02—Compacting only
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0433—Nickel- or cobalt-based alloys
- C22C1/0441—Alloys based on intermetallic compounds of the type rare earth - Co, Ni
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C28/00—Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00
-
- 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
-
- 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
-
- 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
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Hard Magnetic Materials (AREA)
- Continuous Casting (AREA)
Abstract
Description
Claims (7)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP113085/1996 | 1996-04-10 | ||
JP113085/96 | 1996-04-10 | ||
JP11308596 | 1996-04-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1166677A CN1166677A (zh) | 1997-12-03 |
CN1139082C true CN1139082C (zh) | 2004-02-18 |
Family
ID=14603110
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB971112843A Expired - Lifetime CN1139082C (zh) | 1996-04-10 | 1997-04-10 | 用于生产稀土磁体的铸造合金和生产铸造合金与磁体的方法 |
Country Status (4)
Country | Link |
---|---|
US (2) | US5908513A (zh) |
EP (2) | EP0801402B1 (zh) |
CN (1) | CN1139082C (zh) |
DE (2) | DE69716588T2 (zh) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3242818B2 (ja) * | 1995-07-21 | 2001-12-25 | 昭和電工株式会社 | 希土類磁石用合金及びその製造方法 |
US6328825B1 (en) * | 1997-11-12 | 2001-12-11 | Showa Denko K.K. | Alloy used for production of a rare-earth magnet and method for producing the same |
DE19945943B4 (de) * | 1999-09-24 | 2005-06-02 | Vacuumschmelze Gmbh | Borarme Nd-Fe-B-Legierung und Verfahren zu deren Herstellung |
EP1395381B1 (en) * | 2000-08-31 | 2006-04-05 | Showa Denko K.K. | Centrifugal casting method und centrifugal casting apparatus |
KR100771676B1 (ko) * | 2000-10-04 | 2007-10-31 | 가부시키가이샤 네오맥스 | 희토류 소결자석 및 그 제조방법 |
WO2002072900A2 (en) * | 2001-03-12 | 2002-09-19 | Showa Denko K.K. | Method for controlling structure of rare earth element-containing alloy, powder material of the alloy and magnet using the same |
WO2002099823A1 (en) * | 2001-05-30 | 2002-12-12 | Sumitomo Special Metals Co., Ltd. | Method of making sintered compact for rare earth magnet |
US7258751B2 (en) | 2001-06-22 | 2007-08-21 | Neomax Co., Ltd. | Rare earth magnet and method for production thereof |
US7014718B2 (en) * | 2001-09-03 | 2006-03-21 | Showa Denko K.K. | Rare earth magnet alloy ingot, manufacturing method for the same, R-T-B type magnet alloy ingot, R-T-B type magnet, R-T-B type bonded magnet, R-T-B type exchange spring magnet alloy ingot, R-T-B type exchange spring magnet, and R-T-B type exchange spring bonded magnet |
US6918973B2 (en) * | 2001-11-05 | 2005-07-19 | Johns Hopkins University | Alloy and method of producing the same |
TWI253956B (en) * | 2001-11-16 | 2006-05-01 | Shinetsu Chemical Co | Crucible for melting rare earth element alloy and rare earth element alloy |
CN1306527C (zh) | 2001-12-18 | 2007-03-21 | 昭和电工株式会社 | 用于稀土磁体的合金薄片及其生产方法、用于稀土烧结磁体的合金粉末、稀土烧结磁体、用于结合磁体的合金粉末和结合磁体 |
WO2003052779A1 (fr) * | 2001-12-19 | 2003-06-26 | Neomax Co., Ltd. | Alliage d'elements de terres rares-fer-bore, poudre d'aimant permanent anisotrope magnetiquement et son procede de production |
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 |
JP4224453B2 (ja) * | 2002-05-29 | 2009-02-12 | 株式会社三徳 | 希土類金属含有合金の製造システム |
WO2004046409A2 (en) * | 2002-11-18 | 2004-06-03 | Iowa State University Research Foundation, Inc. | Permanent magnet alloy with improved high temperature performance |
US20050098239A1 (en) * | 2003-10-15 | 2005-05-12 | Neomax Co., Ltd. | R-T-B based permanent magnet material alloy and R-T-B based permanent magnet |
JP4486084B2 (ja) | 2004-03-31 | 2010-06-23 | 株式会社三徳 | 希土類焼結磁石用合金鋳片の製造法、希土類焼結磁石用合金鋳片及び希土類焼結磁石 |
EP1738377B1 (en) * | 2004-04-07 | 2012-10-03 | Showa Denko K.K. | Alloy lump for r-t-b type sintered magnet, producing method thereof, and magnet |
EP1749599B1 (en) * | 2004-04-30 | 2015-09-09 | Hitachi Metals, Ltd. | Methods for producing raw material alloy for rare earth magnet, powder and sintered magnet |
US7846273B2 (en) * | 2005-10-31 | 2010-12-07 | Showa Denko K.K. | R-T-B type alloy, production method of R-T-B type alloy flake, fine powder for R-T-B type rare earth permanent magnet, and R-T-B type rare earth permanent magnet |
EP2026923B1 (en) * | 2006-04-07 | 2012-03-14 | Showa Denko K.K. | Apparatus for producing alloy and rare earth element alloy |
CN102199719A (zh) * | 2010-03-24 | 2011-09-28 | Tdk株式会社 | 稀土磁体用合金和稀土磁体用合金的制造方法 |
JP5705141B2 (ja) * | 2012-01-24 | 2015-04-22 | 中央電気工業株式会社 | 希土類系合金片の製造方法 |
JP6119548B2 (ja) * | 2012-10-17 | 2017-04-26 | 信越化学工業株式会社 | 希土類焼結磁石の製造方法 |
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 |
CN104766717B (zh) * | 2014-01-07 | 2018-12-07 | 中国科学院宁波材料技术与工程研究所 | 一种提高烧结钕铁硼永磁体磁性能的方法 |
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 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6187825A (ja) * | 1984-10-05 | 1986-05-06 | Hitachi Metals Ltd | 永久磁石材料の製造方法 |
JPH0789521B2 (ja) * | 1985-03-28 | 1995-09-27 | 株式会社東芝 | 希土類鉄系永久磁石 |
DE3676403D1 (de) * | 1985-09-10 | 1991-02-07 | Toshiba Kawasaki Kk | Dauermagnet. |
DE3786719T2 (de) * | 1986-08-04 | 1993-12-09 | Sumitomo Spec Metals | Seltenerdmagnet und Seltenerdlegierung-Magnetpulver mit grossem Korrosionswiderstand. |
JP2665590B2 (ja) * | 1987-06-19 | 1997-10-22 | 住友特殊金属株式会社 | 希土類―鉄―ボロン系磁気異方性焼結永久磁石原料用合金薄板並びに磁気異方性焼結永久磁石原料用合金粉末,及び磁気異方性焼結永久磁石 |
JPH0812815B2 (ja) * | 1987-06-23 | 1996-02-07 | 株式会社トーキン | 希土類磁石の製造方法 |
US5022939A (en) * | 1987-07-30 | 1991-06-11 | Tdk Corporation | Permanent magnets |
JPH01103805A (ja) * | 1987-07-30 | 1989-04-20 | Tdk Corp | 永久磁石 |
IE891581A1 (en) * | 1988-06-20 | 1991-01-02 | Seiko Epson Corp | Permanent magnet and a manufacturing method thereof |
EP0517179B1 (en) * | 1991-06-04 | 1995-05-17 | Shin-Etsu Chemical Co., Ltd. | Method of making two phase Rare Earth permanent magnets |
US5405455A (en) * | 1991-06-04 | 1995-04-11 | Shin-Etsu Chemical Co. Ltd. | Rare earth-based permanent magnet |
US5383978A (en) * | 1992-02-15 | 1995-01-24 | Santoku Metal Industry Co., Ltd. | Alloy ingot for permanent magnet, anisotropic powders for permanent magnet, method for producing same and permanent magnet |
DE69434323T2 (de) * | 1993-11-02 | 2006-03-09 | Tdk Corp. | Preparation d'un aimant permanent |
JP3724513B2 (ja) * | 1993-11-02 | 2005-12-07 | Tdk株式会社 | 永久磁石の製造方法 |
DE69423305T2 (de) * | 1993-12-10 | 2000-11-30 | Sumitomo Spec Metals | Dauermagnet-Legierungspulver auf Eisenbasis für harzgebundene Magneten und daraus hergestellte Magneten |
JPH08264363A (ja) * | 1995-03-24 | 1996-10-11 | Hitachi Metals Ltd | 希土類永久磁石の製造方法 |
JP4106099B2 (ja) * | 1995-03-29 | 2008-06-25 | 日立金属株式会社 | R−Fe−B系磁石合金用鋳片の製造方法 |
-
1997
- 1997-04-10 DE DE69716588T patent/DE69716588T2/de not_active Expired - Lifetime
- 1997-04-10 EP EP97105936A patent/EP0801402B1/en not_active Expired - Lifetime
- 1997-04-10 US US08/838,784 patent/US5908513A/en not_active Expired - Lifetime
- 1997-04-10 DE DE69707185T patent/DE69707185T2/de not_active Expired - Lifetime
- 1997-04-10 CN CNB971112843A patent/CN1139082C/zh not_active Expired - Lifetime
- 1997-04-10 EP EP98115613A patent/EP0886284B1/en not_active Expired - Lifetime
-
1998
- 1998-04-24 US US09/065,564 patent/US5963774A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0801402B1 (en) | 2001-10-10 |
US5908513A (en) | 1999-06-01 |
CN1166677A (zh) | 1997-12-03 |
DE69716588D1 (de) | 2002-11-28 |
EP0801402A1 (en) | 1997-10-15 |
DE69716588T2 (de) | 2003-06-12 |
DE69707185D1 (de) | 2001-11-15 |
DE69707185T2 (de) | 2002-06-27 |
EP0886284B1 (en) | 2002-10-23 |
US5963774A (en) | 1999-10-05 |
EP0886284A1 (en) | 1998-12-23 |
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C10 | Entry into substantive examination | ||
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C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 19971203 Assignee: Baotou Showa rare earth hi tech new material Co Ltd Assignor: Showa Denko K. K. Contract record no.: 2013990000080 Denomination of invention: Cast alloy used for production of rare earth magnet and method for producing cast alloy and magnet Granted publication date: 20040218 License type: Common License Record date: 20130308 |
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LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20040218 |