ATE84903T1 - Verfahren zur thermischen behandlung von gesinterten metall-permanentmagneten. - Google Patents

Verfahren zur thermischen behandlung von gesinterten metall-permanentmagneten.

Info

Publication number
ATE84903T1
ATE84903T1 AT87303278T AT87303278T ATE84903T1 AT E84903 T1 ATE84903 T1 AT E84903T1 AT 87303278 T AT87303278 T AT 87303278T AT 87303278 T AT87303278 T AT 87303278T AT E84903 T1 ATE84903 T1 AT E84903T1
Authority
AT
Austria
Prior art keywords
permanent magnets
thermal treatment
sintered metal
metal permanent
advantageously
Prior art date
Application number
AT87303278T
Other languages
English (en)
Inventor
Mauri Kalervo Veistinen
Original Assignee
Outokumpu Oy
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 Outokumpu Oy filed Critical Outokumpu Oy
Application granted granted Critical
Publication of ATE84903T1 publication Critical patent/ATE84903T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • 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
    • H01F1/057—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
    • 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
    • H01F41/026—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 protecting methods against environmental influences, e.g. oxygen, by surface treatment

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Metallurgy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Hard Magnetic Materials (AREA)
  • Chemical Vapour Deposition (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Powder Metallurgy (AREA)
  • Physical Vapour Deposition (AREA)
  • Communication Cables (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Amplifiers (AREA)
AT87303278T 1986-05-07 1987-04-14 Verfahren zur thermischen behandlung von gesinterten metall-permanentmagneten. ATE84903T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI861898A FI861898L (fi) 1986-05-07 1986-05-07 Foerfarande foer hantering av metallstycken.
EP87303278A EP0244968B1 (de) 1986-05-07 1987-04-14 Verfahren zur thermischen Behandlung von gesinterten Metall-Permanentmagneten

Publications (1)

Publication Number Publication Date
ATE84903T1 true ATE84903T1 (de) 1993-02-15

Family

ID=8522575

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87303278T ATE84903T1 (de) 1986-05-07 1987-04-14 Verfahren zur thermischen behandlung von gesinterten metall-permanentmagneten.

Country Status (7)

Country Link
US (1) US4966668A (de)
EP (1) EP0244968B1 (de)
JP (1) JPH0669011B2 (de)
AT (1) ATE84903T1 (de)
DE (1) DE3783647T2 (de)
ES (1) ES2038173T3 (de)
FI (1) FI861898L (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5087297A (en) * 1991-01-17 1992-02-11 Johnson Matthey Inc. Aluminum target for magnetron sputtering and method of making same
DE69220566T2 (de) * 1991-11-21 1998-02-19 Nisshin Steel Co Ltd Verfahren zur bildung einer beschichtung mittels aufdampfen
FR2768551B1 (fr) * 1997-09-12 1999-11-05 Rhodia Chimie Sa Aimant plat comportant une couche de revetement et son procede de preparation
US7438768B2 (en) * 2001-12-28 2008-10-21 Shin-Etsu Chemical Co., Ltd. Rare earth element sintered magnet and method for producing rare earth element sintered magnet
JP5348110B2 (ja) * 2010-10-28 2013-11-20 Ｔｄｋ株式会社 希土類磁石、希土類磁石の製造方法及び回転機
JP5348109B2 (ja) * 2010-10-28 2013-11-20 Ｔｄｋ株式会社 希土類磁石、希土類磁石の製造方法及び回転機
CN104651779A (zh) * 2015-02-11 2015-05-27 烟台首钢磁性材料股份有限公司 一种用于钕铁硼磁体的镀膜设备及镀膜工艺
CN105931785A (zh) * 2016-07-14 2016-09-07 安徽万磁电子有限公司 一种钆钬离子注入的镀镍钕铁硼磁体及其制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2429600A1 (de) * 1973-06-22 1975-01-16 Gen Electric In luft stabile, magnetische materialien und verfahren zu deren herstellung
JPS5681908A (en) * 1980-10-14 1981-07-04 Seiko Epson Corp Rare earth metal intermetallic compound sintered magnet having covered surface
JPS61166115A (ja) * 1985-01-18 1986-07-26 Sumitomo Special Metals Co Ltd 耐食性のすぐれた永久磁石の製造方法
CN1007847B (zh) * 1984-12-24 1990-05-02 住友特殊金属株式会社 制造具有改进耐蚀性磁铁的方法

Also Published As

Publication number Publication date
EP0244968A3 (en) 1989-01-11
US4966668A (en) 1990-10-30
DE3783647D1 (de) 1993-03-04
FI861898A0 (fi) 1986-05-07
EP0244968A2 (de) 1987-11-11
EP0244968B1 (de) 1993-01-20
FI861898A7 (fi) 1987-11-08
JPH01125813A (ja) 1989-05-18
DE3783647T2 (de) 1993-05-13
ES2038173T3 (es) 1993-07-16
FI861898L (fi) 1987-11-08
JPH0669011B2 (ja) 1994-08-31

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Legal Events

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UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee