DE602005003599D1 - Seltenerd-Permanentmagnet - Google Patents

Seltenerd-Permanentmagnet

Info

Publication number
DE602005003599D1
DE602005003599D1 DE602005003599T DE602005003599T DE602005003599D1 DE 602005003599 D1 DE602005003599 D1 DE 602005003599D1 DE 602005003599 T DE602005003599 T DE 602005003599T DE 602005003599 T DE602005003599 T DE 602005003599T DE 602005003599 D1 DE602005003599 D1 DE 602005003599D1
Authority
DE
Germany
Prior art keywords
permanent magnet
rare earth
earth permanent
rare
magnet
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.)
Active
Application number
DE602005003599T
Other languages
English (en)
Other versions
DE602005003599T2 (de
Inventor
Ken Ohashi
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.)
Shin Etsu Chemical Co Ltd
Original Assignee
Shin Etsu Chemical Co Ltd
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
Priority claimed from JP2004050982A external-priority patent/JP4448713B2/ja
Priority claimed from JP2004050981A external-priority patent/JP2005243883A/ja
Application filed by Shin Etsu Chemical Co Ltd filed Critical Shin Etsu Chemical Co Ltd
Publication of DE602005003599D1 publication Critical patent/DE602005003599D1/de
Application granted granted Critical
Publication of DE602005003599T2 publication Critical patent/DE602005003599T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H01F1/059—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
    • H01F1/0596—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2 of rhombic or rhombohedral Th2Zn17 structure or hexagonal Th2Ni17 structure
    • 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
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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
    • H01F1/0536—Alloys characterised by their composition containing rare earth metals sintered
    • 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
    • H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
    • H01F1/0557—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
DE602005003599T 2004-02-26 2005-02-23 Seltenerd-Permanentmagnet Active DE602005003599T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2004050982 2004-02-26
JP2004050981 2004-02-26
JP2004050982A JP4448713B2 (ja) 2004-02-26 2004-02-26 希土類永久磁石
JP2004050981A JP2005243883A (ja) 2004-02-26 2004-02-26 希土類永久磁石

Publications (2)

Publication Number Publication Date
DE602005003599D1 true DE602005003599D1 (de) 2008-01-17
DE602005003599T2 DE602005003599T2 (de) 2008-11-13

Family

ID=34752159

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005003599T Active DE602005003599T2 (de) 2004-02-26 2005-02-23 Seltenerd-Permanentmagnet

Country Status (3)

Country Link
US (1) US7713360B2 (de)
EP (1) EP1569247B1 (de)
DE (1) DE602005003599T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011016089A1 (ja) 2009-08-06 2011-02-10 株式会社 東芝 永久磁石とそれを用いた可変磁束モータおよび発電機
IN2012DN03194A (de) 2009-10-28 2015-10-09 Magnetation Inc
WO2011121647A1 (ja) 2010-03-30 2011-10-06 株式会社 東芝 永久磁石とその製造方法、およびそれを用いたモータおよび発電機
JP5259668B2 (ja) 2010-09-24 2013-08-07 株式会社東芝 永久磁石とその製造方法、およびそれを用いたモータと発電機
US8708152B2 (en) 2011-04-20 2014-04-29 Magnetation, Inc. Iron ore separation device
WO2015037041A1 (ja) * 2013-09-13 2015-03-19 株式会社 東芝 永久磁石、モータ、および発電機
EP3196895B1 (de) * 2014-09-19 2019-06-26 Kabushiki Kaisha Toshiba Dauermagnet, motor und generator
KR101882632B1 (ko) * 2014-11-28 2018-07-26 가부시끼가이샤 도시바 영구 자석, 모터 및 발전기
WO2019053886A1 (ja) 2017-09-15 2019-03-21 株式会社 東芝 永久磁石、回転電機、及び車両
KR102077147B1 (ko) * 2017-09-29 2020-02-13 도요타 지도샤（주） 희토류 자석

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3057448B2 (ja) * 1988-05-26 2000-06-26 信越化学工業株式会社 希土類永久磁石
DE69200130T2 (de) * 1991-03-27 1994-09-22 Toshiba Kawasaki Kk Magnetisches Material.
US5482573A (en) * 1991-10-16 1996-01-09 Kabushiki Kaisha Toshiba Magnetic material
JPH05143972A (ja) 1991-11-19 1993-06-11 Kubota Corp 金属薄膜型磁気記録媒体およびその製造法
US5456769A (en) * 1993-03-10 1995-10-10 Kabushiki Kaisha Toshiba Magnetic material
JP3645312B2 (ja) 1994-05-25 2005-05-11 旭化成株式会社 磁性材料と製造法
US5750044A (en) * 1994-07-12 1998-05-12 Tdk Corporation Magnet and bonded magnet
US5684076A (en) * 1994-12-16 1997-11-04 Matsushita Electric Industrial Co., Ltd. Rare earth-iron-nitrogen based magnetic material and method of manufacturing the same
JP3171558B2 (ja) * 1995-06-30 2001-05-28 株式会社東芝 磁性材料およびボンド磁石
JP3304726B2 (ja) * 1995-11-28 2002-07-22 住友金属鉱山株式会社 希土類−鉄−窒素系磁石合金
JPH1187119A (ja) 1997-09-01 1999-03-30 Yaskawa Electric Corp 表面処理膜付磁石
US6290782B1 (en) * 1998-03-27 2001-09-18 Kabushiki Kaisha Toshiba Magnetic material and manufacturing method thereof, and bonded magnet using the same
DE19981167T1 (de) * 1998-05-26 2000-08-10 Hitachi Metals Ltd Seltenerd-Magnetmaterialien vom Nitrid-Typ und daraus gebildete Verbundmagnete
JP2001313206A (ja) 2000-04-28 2001-11-09 Hitachi Metals Ltd Ｒ−ｔ−ｎ系異方性磁粉およびその製造方法ならびにｒ−ｔ−ｎ系異方性ボンド磁石
EP1187147B1 (de) * 2000-09-08 2009-12-16 Shin-Etsu Chemical Co., Ltd. Seltenerd-Legierung, Seltenerd-Sintermagnet und Herstellungsverfahren
JP2002270416A (ja) * 2001-03-14 2002-09-20 Shin Etsu Chem Co Ltd バルク状異方性希土類永久磁石及びその製造方法
US7364628B2 (en) 2001-04-24 2008-04-29 Asahi Kasei Kabushiki Kaisha Solid material for magnet
JP3715573B2 (ja) 2001-12-28 2005-11-09 株式会社東芝 磁石材料及びその製造方法

Also Published As

Publication number Publication date
DE602005003599T2 (de) 2008-11-13
US7713360B2 (en) 2010-05-11
EP1569247B1 (de) 2007-12-05
EP1569247A1 (de) 2005-08-31
US20050189042A1 (en) 2005-09-01

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