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DE60206031D1 - Verfahren zur herstellung von seltenerdlegierungs sinterformteilen - Google Patents

Verfahren zur herstellung von seltenerdlegierungs sinterformteilen

Info

Publication number
DE60206031D1
DE60206031D1 DE60206031T DE60206031T DE60206031D1 DE 60206031 D1 DE60206031 D1 DE 60206031D1 DE 60206031 T DE60206031 T DE 60206031T DE 60206031 T DE60206031 T DE 60206031T DE 60206031 D1 DE60206031 D1 DE 60206031D1
Authority
DE
Germany
Prior art keywords
rare
differential
production
sintered parts
sintered
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
DE60206031T
Other languages
English (en)
Other versions
DE60206031T2 (de
Inventor
Hitoshi Morimoto
Yuji Kaneko
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.)
Proterial Ltd
Original Assignee
Neomax 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
Application filed by Neomax Co Ltd filed Critical Neomax Co Ltd
Application granted granted Critical
Publication of DE60206031D1 publication Critical patent/DE60206031D1/de
Publication of DE60206031T2 publication Critical patent/DE60206031T2/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
    • H01F1/058—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IVa elements, e.g. Gd2Fe14C
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/09—Mixtures of metallic powders
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0293—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets diffusion of rare earth elements, e.g. Tb, Dy or Ho, into permanent magnets
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
DE60206031T 2001-03-30 2002-03-29 Verfahren zur herstellung von seltenerdlegierungs sinterformteilen Expired - Lifetime DE60206031T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001102513 2001-03-30
JP2001102513 2001-03-30
PCT/JP2002/003237 WO2002079530A2 (en) 2001-03-30 2002-03-29 Rare earth alloy sintered compact and method of making the same

Publications (2)

Publication Number Publication Date
DE60206031D1 true DE60206031D1 (de) 2005-10-13
DE60206031T2 DE60206031T2 (de) 2006-01-19

Family

ID=18955693

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60221448T Expired - Lifetime DE60221448T2 (de) 2001-03-30 2002-03-29 Seltenerdlegierungs Sinterformteil
DE60206031T Expired - Lifetime DE60206031T2 (de) 2001-03-30 2002-03-29 Verfahren zur herstellung von seltenerdlegierungs sinterformteilen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE60221448T Expired - Lifetime DE60221448T2 (de) 2001-03-30 2002-03-29 Seltenerdlegierungs Sinterformteil

Country Status (6)

Country Link
US (1) US7201810B2 (de)
EP (2) EP1377691B1 (de)
CN (1) CN1300360C (de)
AU (1) AU2002241342A1 (de)
DE (2) DE60221448T2 (de)
WO (1) WO2002079530A2 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7258751B2 (en) * 2001-06-22 2007-08-21 Neomax Co., Ltd. Rare earth magnet and method for production thereof
WO2003052778A1 (en) * 2001-12-18 2003-06-26 Showa Denko K.K. Alloy flake for rare earth magnet, production method thereof, alloy powder for rare earth sintered magnet, rare earth sintered magnet, alloy powder for bonded magnet and bonded magnet
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
WO2003107362A1 (ja) * 2002-06-13 2003-12-24 住友特殊金属株式会社 希土類焼結磁石およびその製造方法
JP2004270544A (ja) * 2003-03-07 2004-09-30 Matsushita Electric Ind Co Ltd 着磁治具および電動圧縮機ならびに回転子の組み立て方法および電動圧縮機の組み立て方法
US7199690B2 (en) * 2003-03-27 2007-04-03 Tdk Corporation R-T-B system rare earth permanent magnet
US7618497B2 (en) * 2003-06-30 2009-11-17 Tdk Corporation R-T-B based rare earth permanent magnet and method for production thereof
WO2006003872A1 (ja) * 2004-06-30 2006-01-12 Tdk Corporation 希土類焼結磁石用原料粉体の製造方法、希土類焼結磁石の製造方法、顆粒及び焼結体
JP4425107B2 (ja) * 2004-10-04 2010-03-03 富士フイルム株式会社 磁性粒子の製造方法
JP4645855B2 (ja) * 2005-03-14 2011-03-09 Ｔｄｋ株式会社 Ｒ−ｔ−ｂ系焼結磁石
US8182618B2 (en) * 2005-12-02 2012-05-22 Hitachi Metals, Ltd. Rare earth sintered magnet and method for producing same
WO2008096621A1 (ja) * 2007-02-05 2008-08-14 Showa Denko K.K. Ｒ－ｔ－ｂ系合金とその製造方法、ｒ－ｔ－ｂ系希土類永久磁石用微粉、ｒ－ｔ－ｂ系希土類永久磁石
US8142573B2 (en) * 2007-04-13 2012-03-27 Hitachi Metals, Ltd. R-T-B sintered magnet and method for producing the same
PT2184747E (pt) * 2007-09-04 2015-06-01 Hitachi Metals Ltd Íman sinterizado anisotrópico de r-fe-b
JP5561170B2 (ja) * 2009-01-16 2014-07-30 日立金属株式会社 Ｒ−ｔ−ｂ系焼結磁石の製造方法
US20110074530A1 (en) * 2009-09-30 2011-03-31 General Electric Company Mixed rare-earth permanent magnet and method of fabrication
US8823478B2 (en) * 2010-03-30 2014-09-02 Tdk Corporation Rare earth sintered magnet, method for producing same, motor and automobile
CN104752013A (zh) * 2013-12-27 2015-07-01 比亚迪股份有限公司 一种稀土永磁材料及其制备方法
JP6003920B2 (ja) * 2014-02-12 2016-10-05 トヨタ自動車株式会社 希土類磁石の製造方法
JP5686212B1 (ja) * 2014-03-28 2015-03-18 Tdk株式会社 Ｒ−ｔ−ｂ系永久磁石
JP5686213B1 (ja) * 2014-03-28 2015-03-18 Tdk株式会社 Ｒ−ｔ−ｂ系永久磁石
JP6380738B2 (ja) * 2014-04-21 2018-08-29 Tdk株式会社 Ｒ−ｔ−ｂ系永久磁石、ｒ−ｔ−ｂ系永久磁石用原料合金
CN104252938B (zh) * 2014-09-12 2016-10-05 沈阳中北通磁科技股份有限公司 一种含Ho的多主相钕铁硼永磁铁及制造方法
CN104252939B (zh) * 2014-09-12 2016-10-05 沈阳中北通磁科技股份有限公司 一种具有复合主相的钕铁硼永磁铁及其制造方法
CN104240886B (zh) * 2014-09-12 2017-01-11 沈阳中北通磁科技股份有限公司 一种含Tb的多主相钕铁硼永磁铁及制造方法
CN105063517B (zh) * 2015-08-03 2017-01-25 河北工业大学 Sm‑Co‑Fe‑Al‑B非晶基硬磁合金的制备方法
TWI603886B (zh) * 2016-11-22 2017-11-01 Fu-Zi Xu Damping gear

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US4792368A (en) 1982-08-21 1988-12-20 Sumitomo Special Metals Co., Ltd. Magnetic materials and permanent magnets
JPH066728B2 (ja) 1986-07-24 1994-01-26 住友特殊金属株式会社 永久磁石材料用原料粉末の製造方法
JPS63245903A (ja) 1986-09-05 1988-10-13 Taiyo Yuden Co Ltd 磁石及びその製造方法
JPS6373502A (ja) 1986-09-16 1988-04-04 Tokin Corp 希土類磁石の製造方法
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JPH0696928A (ja) 1992-06-30 1994-04-08 Aichi Steel Works Ltd 希土類焼結磁石及びその製造方法
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JPH0831626A (ja) 1993-11-11 1996-02-02 Seiko Epson Corp 希土類磁性粉末、その永久磁石及びこれらの製造方法
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CN1246864C (zh) * 2001-01-30 2006-03-22 株式会社新王磁材 永久磁体的制造方法
WO2002099823A1 (en) * 2001-05-30 2002-12-12 Sumitomo Special Metals Co., Ltd. Method of making sintered compact for rare earth magnet
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Also Published As

Publication number Publication date
EP1645648A1 (de) 2006-04-12
CN1468319A (zh) 2004-01-14
DE60206031T2 (de) 2006-01-19
AU2002241342A1 (en) 2002-10-15
CN1300360C (zh) 2007-02-14
US7201810B2 (en) 2007-04-10
US20050098238A1 (en) 2005-05-12
DE60221448D1 (de) 2007-09-06
EP1377691B1 (de) 2005-09-07
EP1377691A2 (de) 2004-01-07
WO2002079530A3 (en) 2003-09-04
DE60221448T2 (de) 2007-11-29
EP1645648B1 (de) 2007-07-25
WO2002079530A2 (en) 2002-10-10

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Legal Events

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8327 Change in the person/name/address of the patent owner

Owner name: HITACHI METALS, LTD., TOKIO/TOKYO, JP