DE69720206D1 - Verbundmagnet mit niedrigen Verlusten und leichter Sättigung - Google Patents

Verbundmagnet mit niedrigen Verlusten und leichter Sättigung

Info

Publication number
DE69720206D1
DE69720206D1 DE69720206T DE69720206T DE69720206D1 DE 69720206 D1 DE69720206 D1 DE 69720206D1 DE 69720206 T DE69720206 T DE 69720206T DE 69720206 T DE69720206 T DE 69720206T DE 69720206 D1 DE69720206 D1 DE 69720206D1
Authority
DE
Germany
Prior art keywords
low losses
compound magnet
easy saturation
saturation
easy
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
Application number
DE69720206T
Other languages
English (en)
Other versions
DE69720206T2 (de
Inventor
Viswanathan Panchanathan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Magnequench International LLC
Original Assignee
Magnequench International LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Magnequench International LLC filed Critical Magnequench International LLC
Application granted granted Critical
Publication of DE69720206D1 publication Critical patent/DE69720206D1/de
Publication of DE69720206T2 publication Critical patent/DE69720206T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE69720206T 1996-04-10 1997-04-09 Verbundmagnet mit niedrigen Verlusten und leichter Sättigung Expired - Lifetime DE69720206T2 (de)

Applications Claiming Priority (3)

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
US632722 1996-04-10
PCT/US1997/006453 WO1997038426A1 (en) 1996-04-10 1997-04-09 Bonded magnet with low losses and easy saturation

Publications (2)

Publication Number Publication Date
DE69720206D1 true DE69720206D1 (de) 2003-04-30
DE69720206T2 DE69720206T2 (de) 2004-02-05

Family

ID=24536667

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69720206T Expired - Lifetime DE69720206T2 (de) 1996-04-10 1997-04-09 Verbundmagnet mit niedrigen Verlusten und leichter Sättigung

Country Status (8)

Country Link
US (1) US5725792A (de)
EP (1) EP0898778B1 (de)
JP (1) JP2000508476A (de)
KR (1) KR20000005296A (de)
CN (1) CN1132197C (de)
DE (1) DE69720206T2 (de)
TW (1) TW400526B (de)
WO (1) WO1997038426A1 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
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 (de) * 2000-10-06 2015-01-07 Santoku Corporation Verfahren zur Bewertung einer Rohlegierung für einen Magneten
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
US6555018B2 (en) * 2001-02-28 2003-04-29 Magnequench, Inc. Bonded magnets made with atomized permanent magnetic powders
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

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0242187B1 (de) * 1986-04-15 1992-06-03 TDK Corporation Dauermagnet und Verfahren zu seiner Herstellung
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

Also Published As

Publication number Publication date
DE69720206T2 (de) 2004-02-05
WO1997038426A1 (en) 1997-10-16
CN1221513A (zh) 1999-06-30
JP2000508476A (ja) 2000-07-04
EP0898778A4 (de) 1999-12-15
TW400526B (en) 2000-08-01
KR20000005296A (ko) 2000-01-25
CN1132197C (zh) 2003-12-24
US5725792A (en) 1998-03-10
EP0898778A1 (de) 1999-03-03
EP0898778B1 (de) 2003-03-26

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Legal Events

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