DE69716588D1 - Gusslegierung für die Herstellung von Dauermagneten mit seltenen Erden und Verfahren zur Herstellung dieser Legierung und dieser Dauermagneten - Google Patents

Gusslegierung für die Herstellung von Dauermagneten mit seltenen Erden und Verfahren zur Herstellung dieser Legierung und dieser Dauermagneten

Info

Publication number
DE69716588D1
DE69716588D1 DE69716588T DE69716588T DE69716588D1 DE 69716588 D1 DE69716588 D1 DE 69716588D1 DE 69716588 T DE69716588 T DE 69716588T DE 69716588 T DE69716588 T DE 69716588T DE 69716588 D1 DE69716588 D1 DE 69716588D1
Authority
DE
Germany
Prior art keywords
permanent magnets
alloy
manufacture
production
rare earths
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
DE69716588T
Other languages
English (en)
Other versions
DE69716588T2 (de
Inventor
Shiro Sasaki
Hiroshi Hasegawa
Yoichi Hirose
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.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
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 Showa Denko KK filed Critical Showa Denko KK
Publication of DE69716588D1 publication Critical patent/DE69716588D1/de
Application granted granted Critical
Publication of DE69716588T2 publication Critical patent/DE69716588T2/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
    • 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)
DE69716588T 1996-04-10 1997-04-10 Gusslegierung für die Herstellung von Dauermagneten mit seltenen Erden und Verfahren zur Herstellung dieser Legierung und dieser Dauermagneten Expired - Lifetime DE69716588T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11308596 1996-04-10

Publications (2)

Publication Number Publication Date
DE69716588D1 true DE69716588D1 (de) 2002-11-28
DE69716588T2 DE69716588T2 (de) 2003-06-12

Family

ID=14603110

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69716588T Expired - Lifetime DE69716588T2 (de) 1996-04-10 1997-04-10 Gusslegierung für die Herstellung von Dauermagneten mit seltenen Erden und Verfahren zur Herstellung dieser Legierung und dieser Dauermagneten
DE69707185T Expired - Lifetime DE69707185T2 (de) 1996-04-10 1997-04-10 Gusslegierung für die Herstellung von Dauermagneten mit seltenen Erden und Verfahren zur Herstellung dieser Legierung und dieser Dauermagneten

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69707185T Expired - Lifetime DE69707185T2 (de) 1996-04-10 1997-04-10 Gusslegierung für die Herstellung von Dauermagneten mit seltenen Erden und Verfahren zur Herstellung dieser Legierung und dieser Dauermagneten

Country Status (4)

Country Link
US (2) US5908513A (de)
EP (2) EP0801402B1 (de)
CN (1) CN1139082C (de)
DE (2) DE69716588T2 (de)

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* Cited by examiner, † Cited by third party
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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 (de) * 2000-08-31 2006-04-05 Showa Denko K.K. Schleudergussverfahren und schleudergussvorrichtung
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 (de) * 2004-04-07 2012-10-03 Showa Denko K.K. Legierungs-klumpen für einen gesinterten magneten des r-t-b-typs, herstellungsverfahren dafür und magnet
EP1749599B1 (de) * 2004-04-30 2015-09-09 Hitachi Metals, Ltd. Verfahren zur herstellung einer rohmateriallegierung für seltenerdmagenten, pulvermagneten und sintermagneten
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 (de) * 2006-04-07 2012-03-14 Showa Denko K.K. Vorrichtung zur herstellung einer legierung und seltenerdelementlegierung
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

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JPH0789521B2 (ja) * 1985-03-28 1995-09-27 株式会社東芝 希土類鉄系永久磁石
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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 (de) * 1991-06-04 1995-05-17 Shin-Etsu Chemical Co., Ltd. Verfahren zur Herstellung von zweiphasigen Dauermagneten auf der Basis von Seltenen Erden
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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

Also Published As

Publication number Publication date
CN1139082C (zh) 2004-02-18
EP0801402B1 (de) 2001-10-10
US5908513A (en) 1999-06-01
CN1166677A (zh) 1997-12-03
EP0801402A1 (de) 1997-10-15
DE69716588T2 (de) 2003-06-12
DE69707185D1 (de) 2001-11-15
DE69707185T2 (de) 2002-06-27
EP0886284B1 (de) 2002-10-23
US5963774A (en) 1999-10-05
EP0886284A1 (de) 1998-12-23

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