CN1221513A - 低损失及易饱和的粘结磁铁 - Google Patents
低损失及易饱和的粘结磁铁 Download PDFInfo
- Publication number
- CN1221513A CN1221513A CN97195308A CN97195308A CN1221513A CN 1221513 A CN1221513 A CN 1221513A CN 97195308 A CN97195308 A CN 97195308A CN 97195308 A CN97195308 A CN 97195308A CN 1221513 A CN1221513 A CN 1221513A
- Authority
- CN
- China
- Prior art keywords
- rare earth
- earth metal
- magnet
- iron
- boron
- 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.)
- Granted
Links
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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0094—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with organic materials as the main non-metallic constituent, e.g. resin
-
- 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
- H01F1/0578—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 bonded together
-
- 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
- H01F1/0579—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B with exchange spin coupling between hard and soft nanophases, e.g. nanocomposite spring magnets
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Nanotechnology (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
Claims (19)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/632,722 US5725792A (en) | 1996-04-10 | 1996-04-10 | Bonded magnet with low losses and easy saturation |
US08/632,722 | 1996-04-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1221513A true CN1221513A (zh) | 1999-06-30 |
CN1132197C CN1132197C (zh) | 2003-12-24 |
Family
ID=24536667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97195308A Expired - Fee Related CN1132197C (zh) | 1996-04-10 | 1997-04-09 | 低损失及易饱和的粘结磁铁 |
Country Status (8)
Country | Link |
---|---|
US (1) | US5725792A (zh) |
EP (1) | EP0898778B1 (zh) |
JP (1) | JP2000508476A (zh) |
KR (1) | KR20000005296A (zh) |
CN (1) | CN1132197C (zh) |
DE (1) | DE69720206T2 (zh) |
TW (1) | TW400526B (zh) |
WO (1) | WO1997038426A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1331167C (zh) * | 2001-02-28 | 2007-08-08 | 马格内昆茨国际公司 | 用雾化永磁粉制备的粘合磁体 |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3470032B2 (ja) * | 1997-12-22 | 2003-11-25 | 信越化学工業株式会社 | 希土類永久磁石材料およびその製造方法 |
US6478890B2 (en) | 1997-12-30 | 2002-11-12 | Magnequench, Inc. | Isotropic rare earth material of high intrinsic induction |
US6183572B1 (en) * | 1997-12-30 | 2001-02-06 | Magnequench International, Inc. | Isotropic rare earth material of high intrinsic induction |
US6511552B1 (en) * | 1998-03-23 | 2003-01-28 | Sumitomo Special Metals Co., Ltd. | Permanent magnets and R-TM-B based permanent magnets |
US6425961B1 (en) | 1998-05-15 | 2002-07-30 | Alps Electric Co., Ltd. | Composite hard magnetic material and method for producing the same |
JP3951525B2 (ja) | 1999-11-25 | 2007-08-01 | セイコーエプソン株式会社 | 薄帯状磁石材料、薄帯状磁石材料の製造方法、磁石粉末および希土類ボンド磁石 |
JP3593940B2 (ja) | 2000-01-07 | 2004-11-24 | セイコーエプソン株式会社 | 磁石粉末および等方性ボンド磁石 |
JP2001196210A (ja) * | 2000-01-06 | 2001-07-19 | Seiko Epson Corp | 磁石粉末および等方性ボンド磁石 |
JP2001196211A (ja) * | 2000-01-06 | 2001-07-19 | Seiko Epson Corp | 磁石粉末および等方性ボンド磁石 |
JP3593939B2 (ja) | 2000-01-07 | 2004-11-24 | セイコーエプソン株式会社 | 磁石粉末および等方性ボンド磁石 |
JP2001323343A (ja) * | 2000-05-12 | 2001-11-22 | Isuzu Motors Ltd | 高性能希土類永久磁石用合金及びその製造方法 |
WO2001091139A1 (en) | 2000-05-24 | 2001-11-29 | Sumitomo Special Metals Co., Ltd. | Permanent magnet including multiple ferromagnetic phases and method for producing the magnet |
JP4243413B2 (ja) * | 2000-05-31 | 2009-03-25 | セイコーエプソン株式会社 | 磁石粉末の製造方法およびボンド磁石の製造方法 |
JP4243415B2 (ja) * | 2000-06-06 | 2009-03-25 | セイコーエプソン株式会社 | 磁石粉末の製造方法およびボンド磁石の製造方法 |
CN1182548C (zh) * | 2000-07-10 | 2004-12-29 | 株式会社新王磁材 | 稀土磁铁及其制造方法 |
EP1880782B1 (en) * | 2000-10-06 | 2015-01-07 | Santoku Corporation | A method for evaluating a raw alloy for a magnet |
ES2315315T3 (es) * | 2000-11-08 | 2009-04-01 | Nycomed Gmbh | Procedimiento para la rehidratacion de polvo de magaldrato. |
US7217328B2 (en) * | 2000-11-13 | 2007-05-15 | Neomax Co., Ltd. | Compound for rare-earth bonded magnet and bonded magnet using the compound |
US6790296B2 (en) * | 2000-11-13 | 2004-09-14 | Neomax Co., Ltd. | Nanocomposite magnet and method for producing same |
US7208097B2 (en) * | 2001-05-15 | 2007-04-24 | Neomax Co., Ltd. | Iron-based rare earth alloy nanocomposite magnet and method for producing the same |
WO2002095021A2 (en) * | 2001-05-23 | 2002-11-28 | Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Agriculture And Agri-Food | A repressor-mediated regulation system for control of gene expression in plants |
JP4055709B2 (ja) * | 2001-07-31 | 2008-03-05 | 日立金属株式会社 | アトマイズ法によるナノコンポジット磁石の製造方法 |
US7261781B2 (en) * | 2001-11-22 | 2007-08-28 | Neomax Co., Ltd. | Nanocomposite magnet |
US6994755B2 (en) * | 2002-04-29 | 2006-02-07 | University Of Dayton | Method of improving toughness of sintered RE-Fe-B-type, rare earth permanent magnets |
JP3760899B2 (ja) * | 2002-07-23 | 2006-03-29 | ソニー株式会社 | データ記録再生装置及びデータ記録再生方法、並びにコンピュータ・プログラム |
US20040079445A1 (en) * | 2002-10-24 | 2004-04-29 | Zhongmin Chen | High performance magnetic materials with low flux-aging loss |
US6979409B2 (en) * | 2003-02-06 | 2005-12-27 | Magnequench, Inc. | Highly quenchable Fe-based rare earth materials for ferrite replacement |
US20060054245A1 (en) * | 2003-12-31 | 2006-03-16 | Shiqiang Liu | Nanocomposite permanent magnets |
WO2006004998A2 (en) * | 2004-06-30 | 2006-01-12 | University Of Dayton | Anisotropic nanocomposite rare earth permanent magnets and method of making |
DE102007026503B4 (de) | 2007-06-05 | 2009-08-27 | Bourns, Inc., Riverside | Verfahren zur Herstellung einer Magnetschicht auf einem Substrat und druckbarer magnetisierbarer Lack |
JPWO2011030387A1 (ja) * | 2009-09-11 | 2013-02-04 | 株式会社東芝 | 磁石材料、永久磁石、およびそれを用いたモータと発電機 |
DE112012005566T8 (de) | 2012-01-04 | 2014-11-13 | National Institute For Materials Science | Seltenerdnanoverbundmagnet |
DK2897911T3 (da) * | 2012-09-21 | 2017-11-06 | Höganäs Ab (Publ) | Fremgangsmåde til anvendelse af ny jernpulversammensætning |
CN107353208A (zh) * | 2017-08-04 | 2017-11-17 | 濮阳职业技术学院 | 利用微通道连续流反应器制备5‑硝基水杨酸工艺 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0242187B1 (en) * | 1986-04-15 | 1992-06-03 | TDK Corporation | Permanent magnet and method of producing same |
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 |
US5015307A (en) * | 1987-10-08 | 1991-05-14 | Kawasaki Steel Corporation | Corrosion resistant rare earth metal magnet |
DE68925506T2 (de) * | 1988-10-04 | 1996-09-19 | Hitachi Metals Ltd | Gebundener R-Fe-B-Magnet und Verfahren zur Herstellung |
JPH06505366A (ja) * | 1991-03-08 | 1994-06-16 | ビーエーエスエフ アクチェンゲゼルシャフト | 新規カテゴリーの磁性材料、その製造方法および用途 |
-
1996
- 1996-04-10 US US08/632,722 patent/US5725792A/en not_active Expired - Lifetime
-
1997
- 1997-04-09 CN CN97195308A patent/CN1132197C/zh not_active Expired - Fee Related
- 1997-04-09 EP EP97918716A patent/EP0898778B1/en not_active Expired - Lifetime
- 1997-04-09 KR KR1019980708006A patent/KR20000005296A/ko not_active Application Discontinuation
- 1997-04-09 JP JP9536544A patent/JP2000508476A/ja active Pending
- 1997-04-09 WO PCT/US1997/006453 patent/WO1997038426A1/en active IP Right Grant
- 1997-04-09 DE DE69720206T patent/DE69720206T2/de not_active Expired - Lifetime
- 1997-04-10 TW TW086104615A patent/TW400526B/zh not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1331167C (zh) * | 2001-02-28 | 2007-08-08 | 马格内昆茨国际公司 | 用雾化永磁粉制备的粘合磁体 |
Also Published As
Publication number | Publication date |
---|---|
DE69720206T2 (de) | 2004-02-05 |
WO1997038426A1 (en) | 1997-10-16 |
JP2000508476A (ja) | 2000-07-04 |
EP0898778A4 (en) | 1999-12-15 |
DE69720206D1 (de) | 2003-04-30 |
TW400526B (en) | 2000-08-01 |
KR20000005296A (ko) | 2000-01-25 |
CN1132197C (zh) | 2003-12-24 |
US5725792A (en) | 1998-03-10 |
EP0898778A1 (en) | 1999-03-03 |
EP0898778B1 (en) | 2003-03-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Magnequench (Tianjian) Co.,Ltd. Assignor: Magnequench International Inc.|Magnequench Inc. Contract fulfillment period: 2007.10.17 to 2024.2.4 contract change Contract record no.: 2009990000568 Denomination of invention: Bonded magnet with low losses and easy saturation Granted publication date: 20031224 License type: Exclusive license Record date: 2009.5.27 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.10.17 TO 2024.2.4; CHANGE OF CONTRACT Name of requester: MAGNEQUENCH( TIANJIN ) CO., LTD. Effective date: 20090527 |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031224 Termination date: 20140409 |