DE60140244D1 - Verfahren zur Herstellung eines korrosionswiderständiges Magnetpulvers - Google Patents

Verfahren zur Herstellung eines korrosionswiderständiges Magnetpulvers

Info

Publication number
DE60140244D1
DE60140244D1 DE60140244T DE60140244T DE60140244D1 DE 60140244 D1 DE60140244 D1 DE 60140244D1 DE 60140244 T DE60140244 T DE 60140244T DE 60140244 T DE60140244 T DE 60140244T DE 60140244 D1 DE60140244 D1 DE 60140244D1
Authority
DE
Germany
Prior art keywords
corrosion
preparation
magnetic powder
resistant magnetic
resistant
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
DE60140244T
Other languages
English (en)
Inventor
Kenji Ohmori
Osako Toshiyuki
Hashiguchi Kayo
Yokosawa Kouichi
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.)
Sumitomo Metal Mining Co Ltd
Original Assignee
Sumitomo Metal Mining 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 Sumitomo Metal Mining Co Ltd filed Critical Sumitomo Metal Mining Co Ltd
Application granted granted Critical
Publication of DE60140244D1 publication Critical patent/DE60140244D1/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
    • H01F1/059—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
    • 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
    • H01F1/0572—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 with a protective layer
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
DE60140244T 2000-10-13 2001-07-06 Verfahren zur Herstellung eines korrosionswiderständiges Magnetpulvers Expired - Lifetime DE60140244D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000312940A JP3882490B2 (ja) 2000-10-13 2000-10-13 高耐候性磁石粉の製造方法及び得られる製品

Publications (1)

Publication Number Publication Date
DE60140244D1 true DE60140244D1 (de) 2009-12-03

Family

ID=18792432

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60140244T Expired - Lifetime DE60140244D1 (de) 2000-10-13 2001-07-06 Verfahren zur Herstellung eines korrosionswiderständiges Magnetpulvers

Country Status (5)

Country Link
US (1) US6638367B2 (de)
EP (1) EP1197975B1 (de)
JP (1) JP3882490B2 (de)
CN (1) CN1199204C (de)
DE (1) DE60140244D1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3882545B2 (ja) * 2000-11-13 2007-02-21 住友金属鉱山株式会社 高耐候性磁石粉及びこれを用いた磁石
JP4135447B2 (ja) * 2002-09-17 2008-08-20 住友金属鉱山株式会社 高耐候性磁石粉、ボンド磁石用樹脂組成物及びそれを用いて得られるボンド磁石
MX2007003194A (es) * 2004-09-17 2007-05-16 Hoeganaes Ab Composiciones de metal en polvo que comprende amidas secundarias como lubricante y/o aglutinante.
US7416578B2 (en) 2004-09-17 2008-08-26 Höganäs Ab Powder metal composition
US20060234085A1 (en) * 2005-03-29 2006-10-19 Tdk Corporation Bonded magnet and process for its manufacture
CN1808648B (zh) * 2006-01-19 2010-11-10 北京科技大学 一种稀土粘结磁体的制备方法
DE102006019614B4 (de) * 2006-04-25 2010-06-17 Vacuumschmelze Gmbh & Co. Kg Alterungsbeständiger Dauermagnet aus einem Legierungspulver und Verfahren zu seiner Herstellung
CN105742049A (zh) * 2016-04-29 2016-07-06 成都锦粼科技有限公司 一种铁芯及其制作方法
JP6572171B2 (ja) * 2016-05-26 2019-09-04 国立大学法人東北大学 磁石合金粉の製造方法
JP6471724B2 (ja) * 2016-05-26 2019-02-20 住友金属鉱山株式会社 ボンド磁石用磁石合金粉の製造方法
CN109655521A (zh) * 2019-01-28 2019-04-19 中国地质科学院水文地质环境地质研究所 基于加速器质谱技术的14c的快速测量方法
JP7460904B2 (ja) 2020-06-22 2024-04-03 愛知製鋼株式会社 希土類磁石粉末の製造方法
WO2023119612A1 (ja) * 2021-12-24 2023-06-29 愛知製鋼株式会社 希土類磁石粉末およびその製造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1215223A (en) * 1983-07-04 1986-12-16 Tokuji Abe Composition for plastic magnets
JPS60240105A (ja) * 1984-05-14 1985-11-29 Shin Etsu Chem Co Ltd プラスチツク磁石組成物
US4668283A (en) * 1984-06-25 1987-05-26 Mitsui Toatsu Chemicals, Incorporated Magnetic powder and production process thereof
JPS61263208A (ja) * 1985-05-17 1986-11-21 Mitsui Toatsu Chem Inc 磁性成形体の製造方法
US5067990A (en) * 1988-12-22 1991-11-26 Hitachi Metals International, Ltd. Method of applying phosphate conversion coatings to Fe-R-B substrates, and Fe-R-B articles having a phosphate conversion coating thereon
US5087302A (en) * 1989-05-15 1992-02-11 Industrial Technology Research Institute Process for producing rare earth magnet
US4933025A (en) * 1989-10-02 1990-06-12 General Motors Corporation Method for enhancing magnetic properties of rare earth permanent magnets
JPH05190311A (ja) * 1992-01-17 1993-07-30 Tdk Corp 磁石の製造方法および磁石粉末
JPH11251124A (ja) 1998-03-03 1999-09-17 Sumitomo Metal Mining Co Ltd 樹脂結合型磁石用組成物
JP2000208321A (ja) 1999-01-19 2000-07-28 Seiko Precision Inc プラスチック磁石成形体

Also Published As

Publication number Publication date
JP2002124406A (ja) 2002-04-26
CN1349230A (zh) 2002-05-15
EP1197975A1 (de) 2002-04-17
US6638367B2 (en) 2003-10-28
US20020066499A1 (en) 2002-06-06
JP3882490B2 (ja) 2007-02-14
CN1199204C (zh) 2005-04-27
EP1197975B1 (de) 2009-10-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition