DE69819953D1 - Auf Fe basierte hartmagnetische Legierung mit einer supergekühlter Spanne - Google Patents

Auf Fe basierte hartmagnetische Legierung mit einer supergekühlter Spanne

Info

Publication number
DE69819953D1
DE69819953D1 DE69819953T DE69819953T DE69819953D1 DE 69819953 D1 DE69819953 D1 DE 69819953D1 DE 69819953 T DE69819953 T DE 69819953T DE 69819953 T DE69819953 T DE 69819953T DE 69819953 D1 DE69819953 D1 DE 69819953D1
Authority
DE
Germany
Prior art keywords
super
span
cooled
magnetic alloy
hard magnetic
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
DE69819953T
Other languages
English (en)
Other versions
DE69819953T2 (de
Inventor
Akihisa Inoue
Kouichi Fujita
Katsuhiro Fujita
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.)
INOUE, AKIHISA, SENDAI, MIYAGI, JP
Toda Kogyo Corp
Original Assignee
Alps Electric Co Ltd
Toda Kogyo Corp
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 Alps Electric Co Ltd, Toda Kogyo Corp filed Critical Alps Electric Co Ltd
Publication of DE69819953D1 publication Critical patent/DE69819953D1/de
Application granted granted Critical
Publication of DE69819953T2 publication Critical patent/DE69819953T2/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
    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Power Engineering (AREA)
  • Nanotechnology (AREA)
  • Composite Materials (AREA)
  • Hard Magnetic Materials (AREA)
  • Soft Magnetic Materials (AREA)
DE69819953T 1997-03-25 1998-03-11 Auf Fe basierte hartmagnetische Legierung mit einer supergekühlter Spanne Expired - Lifetime DE69819953T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7247297 1997-03-25
JP7247297 1997-03-25

Publications (2)

Publication Number Publication Date
DE69819953D1 true DE69819953D1 (de) 2004-01-08
DE69819953T2 DE69819953T2 (de) 2004-11-11

Family

ID=13490303

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69819953T Expired - Lifetime DE69819953T2 (de) 1997-03-25 1998-03-11 Auf Fe basierte hartmagnetische Legierung mit einer supergekühlter Spanne

Country Status (4)

Country Link
US (1) US6280536B1 (de)
EP (1) EP0867897B1 (de)
KR (1) KR100315074B1 (de)
DE (1) DE69819953T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69814762T2 (de) 1997-08-22 2003-12-04 Alps Electric Co Ltd Hartmagnetische Legierung mit supergekühlter Schmelzregion,gesintertes Produkt davon und Anwendungen
JP2001267111A (ja) * 2000-01-14 2001-09-28 Seiko Epson Corp 磁石粉末および等方性ボンド磁石
US6594157B2 (en) * 2000-03-21 2003-07-15 Alps Electric Co., Ltd. Low-loss magnetic powder core, and switching power supply, active filter, filter, and amplifying device using the same
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
AU2001288123A1 (en) * 2000-10-06 2002-04-22 Santoku Corporation Process for producing, through strip casting, raw alloy for nanocomposite type permanent magnet
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
HU227736B1 (en) * 2001-05-15 2012-02-28 Hitachi Metals Ltd Iron-based rare earth alloy nanocomposite magnet and method for producing the same
JP2001355050A (ja) 2001-06-29 2001-12-25 Sumitomo Special Metals Co Ltd Ｒ−ｔ−ｂ−ｃ系希土類磁性粉末およびボンド磁石
EP1414050B1 (de) * 2001-07-31 2006-10-25 Neomax Co., Ltd. Verfahren zum herstellen eines nanozusammensetzungsmagneten unter verwendung eines atomisierungsverfahrens
US7261781B2 (en) * 2001-11-22 2007-08-28 Neomax Co., Ltd. Nanocomposite magnet
JP2005517808A (ja) * 2002-02-11 2005-06-16 ユニヴァースティ オブ ヴァージニア パテント ファウンデイション 嵩凝固する高マンガン非強磁性アモルファス・スチール合金、およびそれを用いたおよび製造する関連する方法
AU2003272093A1 (en) * 2002-10-17 2004-05-04 Neomax Co., Ltd. Nanocomposite magnet and method for producing the same
WO2005024075A2 (en) * 2003-06-02 2005-03-17 University Of Virginia Patent Foundation Non-ferromagnetic amorphous steel alloys containing large-atom metals
US7763125B2 (en) * 2003-06-02 2010-07-27 University Of Virginia Patent Foundation Non-ferromagnetic amorphous steel alloys containing large-atom metals
USRE47863E1 (en) 2003-06-02 2020-02-18 University Of Virginia Patent Foundation Non-ferromagnetic amorphous steel alloys containing large-atom metals
US7052561B2 (en) * 2003-08-12 2006-05-30 Ut-Battelle, Llc Bulk amorphous steels based on Fe alloys
WO2005020252A1 (ja) * 2003-08-22 2005-03-03 Nec Tokin Corporation 高周波用磁心及びそれを用いたインダクタンス部品
US9051630B2 (en) * 2005-02-24 2015-06-09 University Of Virginia Patent Foundation Amorphous steel composites with enhanced strengths, elastic properties and ductilities
US9818520B2 (en) 2012-01-04 2017-11-14 Toyota Jidosha Kabushiki Kaisha Rare-earth nanocomposite magnet

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5466308A (en) * 1982-08-21 1995-11-14 Sumitomo Special Metals Co. Ltd. Magnetic precursor materials for making permanent magnets
US5194098A (en) * 1982-08-21 1993-03-16 Sumitomo Special Metals Co., Ltd. Magnetic materials
JPH01103805A (ja) * 1987-07-30 1989-04-20 Tdk Corp 永久磁石
JPH0257662A (ja) 1988-08-23 1990-02-27 M G:Kk ボンド磁石用急冷薄帯合金
DE68925506T2 (de) * 1988-10-04 1996-09-19 Hitachi Metals Ltd Gebundener R-Fe-B-Magnet und Verfahren zur Herstellung
JPH04147605A (ja) * 1990-10-11 1992-05-21 Hitachi Metals Ltd 希土類―鉄―硼素系永久磁石の製造方法
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
EP0632471B1 (de) * 1993-06-14 1997-09-24 Santoku Metal Industry Co., Ltd. Verfahren zur Herstellung eines Dauermagneten aus Seltenerdmetall, Bor und Eisen
US5690752A (en) * 1993-06-14 1997-11-25 Santoku Metal Industry Co., Ltd. Permanent magnet containing rare earth metal, boron and iron
JP3519438B2 (ja) * 1993-10-28 2004-04-12 住友特殊金属株式会社 希土類磁石合金粉末とその製造方法
JP3288875B2 (ja) 1994-11-28 2002-06-04 株式会社東芝 シールドケースの取付構造

Also Published As

Publication number Publication date
KR100315074B1 (ko) 2002-04-24
DE69819953T2 (de) 2004-11-11
EP0867897A1 (de) 1998-09-30
US6280536B1 (en) 2001-08-28
KR19980080585A (ko) 1998-11-25
EP0867897B1 (de) 2003-11-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: INOUE, AKIHISA, SENDAI, MIYAGI, JP

Owner name: TODA KOGYO CORP., HIROSHIMA, JP