DE602006011516D1 - Ausgangsmaterial für R-T-B-Sintermagnet, R-T-B-Sintermagnet und zugehöriges Herstellungsverfahren - Google Patents

Ausgangsmaterial für R-T-B-Sintermagnet, R-T-B-Sintermagnet und zugehöriges Herstellungsverfahren

Info

Publication number
DE602006011516D1
DE602006011516D1 DE602006011516T DE602006011516T DE602006011516D1 DE 602006011516 D1 DE602006011516 D1 DE 602006011516D1 DE 602006011516 T DE602006011516 T DE 602006011516T DE 602006011516 T DE602006011516 T DE 602006011516T DE 602006011516 D1 DE602006011516 D1 DE 602006011516D1
Authority
DE
Germany
Prior art keywords
sintered magnet
starting material
related manufacturing
sintered
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
DE602006011516T
Other languages
English (en)
Inventor
Yasushi Enokido
Chikara Ishizaka
Gouichi Nishizawa
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.)
TDK Corp
Original Assignee
TDK 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
Priority claimed from JP2005016365A external-priority patent/JP4543940B2/ja
Application filed by TDK Corp filed Critical TDK Corp
Publication of DE602006011516D1 publication Critical patent/DE602006011516D1/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
    • 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
    • H01F41/0266—Moulding; Pressing
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
DE602006011516T 2005-01-25 2006-01-24 Ausgangsmaterial für R-T-B-Sintermagnet, R-T-B-Sintermagnet und zugehöriges Herstellungsverfahren Active DE602006011516D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005016365A JP4543940B2 (ja) 2005-01-25 2005-01-25 Ｒ−ｔ−ｂ系焼結磁石の製造方法
JP2005086100 2005-03-24

Publications (1)

Publication Number Publication Date
DE602006011516D1 true DE602006011516D1 (de) 2010-02-25

Family

ID=36215711

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006011516T Active DE602006011516D1 (de) 2005-01-25 2006-01-24 Ausgangsmaterial für R-T-B-Sintermagnet, R-T-B-Sintermagnet und zugehöriges Herstellungsverfahren

Country Status (4)

Country Link
US (2) US20060165550A1 (de)
EP (1) EP1684314B1 (de)
CN (1) CN101694798B (de)
DE (1) DE602006011516D1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5880569B2 (ja) * 2011-10-13 2016-03-09 Tdk株式会社 Ｒ−ｔ−ｂ系合金薄片及びその製造方法、並びにｒ−ｔ−ｂ系焼結磁石の製造方法
JP2015135935A (ja) * 2013-03-28 2015-07-27 Tdk株式会社 希土類磁石
JP6361089B2 (ja) * 2013-04-22 2018-07-25 Tdk株式会社 Ｒ−ｔ−ｂ系焼結磁石
JP6265368B2 (ja) * 2013-04-22 2018-01-24 昭和電工株式会社 Ｒ−ｔ−ｂ系希土類焼結磁石およびその製造方法
JP6287167B2 (ja) * 2013-07-16 2018-03-07 Tdk株式会社 希土類磁石
CN103377820B (zh) 2013-07-17 2015-11-25 烟台首钢磁性材料股份有限公司 一种r-t-b-m系烧结磁体及其制造方法
CN111968813B (zh) * 2020-07-10 2023-11-07 瑞声科技（南京）有限公司 NdFeB系磁粉、NdFeB系烧结磁体及制备方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2744140B2 (de) 1977-09-30 1980-12-18 Siemens Ag, 1000 Berlin Und 8000 Muenchen Beleuchtungsvorrichtung für ärztliche, insbesondere zahnärztliche Zwecke
JPS60221551A (ja) 1984-03-21 1985-11-06 Hitachi Metals Ltd 永久磁石合金
JP2639609B2 (ja) 1992-02-15 1997-08-13 三徳金属工業株式会社 永久磁石用合金鋳塊及びその製造法
JP3932143B2 (ja) 1992-02-21 2007-06-20 Ｔｄｋ株式会社 磁石の製造方法
JPH05211102A (ja) 1992-10-15 1993-08-20 Daido Steel Co Ltd 永久磁石用粉末および永久磁石
JP3479168B2 (ja) 1995-06-30 2003-12-15 住友特殊金属株式会社 耐食性のすぐれたＲ−Ｆｅ−Ｂ−Ｃ系磁石合金用鋳片の製造方法
JP3846835B2 (ja) * 1998-10-14 2006-11-15 株式会社Ｎｅｏｍａｘ Ｒ−ｔ−ｂ系焼結型永久磁石
JP2001254103A (ja) * 2000-03-13 2001-09-18 Sanei Kasei Kk ナノコンポジット構造を有する金属粒子及び自己組織化によるその製造方法
US6818041B2 (en) * 2000-09-18 2004-11-16 Neomax Co., Ltd Magnetic alloy powder for permanent magnet and method for producing the same
US7258751B2 (en) * 2001-06-22 2007-08-21 Neomax Co., Ltd. Rare earth magnet and method for production thereof
EP1457998A4 (de) * 2001-12-19 2009-06-17 Hitachi Metals Ltd Seltenerdelement-eisenborlegierung und magnetisch anisotropes permanentmagnetpulver und verfahren zu seiner herstellung
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
EP1408518B1 (de) * 2002-10-08 2010-12-15 Hitachi Metals, Ltd. R-Fe-B gesinterter Permanentmagnet und Verfahren zu dessen Herstellung

Also Published As

Publication number Publication date
US20060165550A1 (en) 2006-07-27
US8157927B2 (en) 2012-04-17
EP1684314A2 (de) 2006-07-26
EP1684314B1 (de) 2010-01-06
US20100111746A1 (en) 2010-05-06
CN101694798A (zh) 2010-04-14
EP1684314A3 (de) 2008-01-23
CN101694798B (zh) 2012-05-30

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Legal Events

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