DE3783647D1 - Verfahren zur thermischen behandlung von gesinterten metall-permanentmagneten. - Google Patents

Verfahren zur thermischen behandlung von gesinterten metall-permanentmagneten.

Info

Publication number
DE3783647D1
DE3783647D1 DE8787303278T DE3783647T DE3783647D1 DE 3783647 D1 DE3783647 D1 DE 3783647D1 DE 8787303278 T DE8787303278 T DE 8787303278T DE 3783647 T DE3783647 T DE 3783647T DE 3783647 D1 DE3783647 D1 DE 3783647D1
Authority
DE
Germany
Prior art keywords
permanent magnets
thermal treatment
sinked
metal
metal permanent
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 - Fee Related
Application number
DE8787303278T
Other languages
English (en)
Other versions
DE3783647T2 (de
Inventor
Mauri Kalervo Veistinen
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.)
Outokumpu Oyj
Original Assignee
Outokumpu Oyj
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 Oyj filed Critical Outokumpu Oyj
Publication of DE3783647D1 publication Critical patent/DE3783647D1/de
Application granted granted Critical
Publication of DE3783647T2 publication Critical patent/DE3783647T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Hard Magnetic Materials (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Amplifiers (AREA)
  • Communication Cables (AREA)
  • Powder Metallurgy (AREA)
  • Chemical Vapour Deposition (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Physical Vapour Deposition (AREA)
DE8787303278T 1986-05-07 1987-04-14 Verfahren zur thermischen behandlung von gesinterten metall-permanentmagneten. Expired - Fee Related DE3783647T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI861898A FI861898A (fi) 1986-05-07 1986-05-07 Foerfarande foer hantering av metallstycken.

Publications (2)

Publication Number Publication Date
DE3783647D1 true DE3783647D1 (de) 1993-03-04
DE3783647T2 DE3783647T2 (de) 1993-05-13

Family

ID=8522575

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787303278T Expired - Fee Related DE3783647T2 (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) FI861898A (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
CN1299300C (zh) * 2001-12-28 2007-02-07 信越化学工业株式会社 稀土类烧结磁体及其制造方法
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
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
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
EP0244968A2 (de) 1987-11-11
US4966668A (en) 1990-10-30
ES2038173T3 (es) 1993-07-16
FI861898A0 (fi) 1986-05-07
DE3783647T2 (de) 1993-05-13
FI861898A (fi) 1987-11-08
ATE84903T1 (de) 1993-02-15
EP0244968B1 (de) 1993-01-20
JPH0669011B2 (ja) 1994-08-31
JPH01125813A (ja) 1989-05-18
EP0244968A3 (en) 1989-01-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee