DE101552T1 - Magnetische materialien und permanente magnete. - Google Patents

Magnetische materialien und permanente magnete.

Info

Publication number
DE101552T1
DE101552T1 DE198383106573T DE83106573T DE101552T1 DE 101552 T1 DE101552 T1 DE 101552T1 DE 198383106573 T DE198383106573 T DE 198383106573T DE 83106573 T DE83106573 T DE 83106573T DE 101552 T1 DE101552 T1 DE 101552T1
Authority
DE
Germany
Prior art keywords
permanent magnet
rare earth
earth element
intermetallic compound
element including
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.)
Pending
Application number
DE198383106573T
Other languages
English (en)
Inventor
Setsuo Hanazonodanchi 14-106 Ukyo-Ku Kyoto Fujimura
Yutaka Ibaraki-Shi Osaka-Fu Matsuura
Masato Nagaokakyo-Shi Kyoto-Fu Sagawa
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
Sumitomo Special Metals 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27563324&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE101552(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP57145072A external-priority patent/JPS5946008A/ja
Priority claimed from JP57200204A external-priority patent/JPS5989401A/ja
Priority claimed from JP58005814A external-priority patent/JPS59132105A/ja
Priority claimed from JP58037896A external-priority patent/JPS59163802A/ja
Priority claimed from JP58037898A external-priority patent/JPS59163804A/ja
Priority claimed from JP58084859A external-priority patent/JPS59211558A/ja
Priority claimed from JP58094876A external-priority patent/JPH0778269B2/ja
Application filed by Sumitomo Special Metals Co Ltd filed Critical Sumitomo Special Metals Co Ltd
Publication of DE101552T1 publication Critical patent/DE101552T1/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)

Claims (10)

  1. S 4430-EP München, 8.8.1988
    EP 83 106 573.5-2207
    PATENTANSPRÜCHE
    . Magnetisches Material mit einem Gehalt an Fe, B und R, wobei R mindestens ein Seltenerdelement einschließlich Y ist, worin eine Hauptphase aus mindestens einer intermetallischen Verbindung des Typs Fe-B-R mit einer im wesentlichen dem tetragonalen System zuzuordnenden Kristallstruktur gebildet ist.
  2. 2. Gesintertes magnetisches Material mit einer Hauptphase, die aus mindestens einer intermetallischen Verbindung gebildet ist, die im wesentlichen aus 8 bis 30 % R, wobei R mindestens ein Seltenerdelement einschließlich Y ist, 2 bis 28 % B, jeweils in Atom-% angegeben, und Rest Fe mit Verunreinigungen besteht.
  3. 3. Gesintertes magnetisches Material mit einer Hauptphase, die aus mindestens einer intermetallischen Verbindung gebildet ist, die im wesentlichen dem tetragonalen System zugehört und hauptsächlich aus 8 bis 30 % R, wobei R mindestens ein Seltenerdelement einschließlich Y ist, 2 bis 28 % B, jeweils in Atom-% angegeben, und Rest Fe mit Verunreinigungen besteht.
    ·'" ■■■ " : 01Ü15b2
  4. 4. Gesinterter anisotroper Permanentmagnet, bestehend im wesentlichen aus 8 bis 30 % R, wobei R mindestens ein Seltenerdelement einschließlich Y ist, 2 bis 28 % B, jeweils in Atom-% angegeben, und Rest Fe mit Verunreinigungen.
  5. 5. Gesinterter anisotroper Permanentmagnet mit einer Hauptphase, die aus mindestens einer intermetallischen Verbindung des Typs Fe-B-R mit einer im wesentlichen dem tetragonalen System zuzuordnenden Kristallstruktur gebildet ist und hauptsächlich aus 8 bis 30 % R, wobei R mindestens ein Seltenerdelement einschließlich Y ist, 2 bis 28 % B, jeweils in Atom-% angegeben, und Rest Fe mit Verunreinigungen besteht.
  6. 6. Magnetisches Material nach Anspruch 1 oder 3, bei dem das im wesentlichen tetragonale System mit einem Anteil von nicht weniger als 50 Vol-% vorliegt.
  7. 7. Permanentmagnet nach Anspruch 5, bei dem das im wesentlichen tetragonale System mit einem Anteil von nicht weniger als 50 Vol-% vorliegt.
  8. 8. Permanentmagnet nach Anspruch 7, der nicht weniger als 1 Vol-% an nichtmagnetischen Phasen einer intermetallischen Verbindung enthält.
  9. 9. Permanentmagnet nach Anspruch 4 oder 5, bei dem die mittlere Kristallkorngröße 1 bis 80 &mgr;&pgr;&igr; beträgt.
  10. 10. Permanentmagnet nach Anspruch 9, bei dem die mitt-5 lere Kristallkorngröße 2 bis 40 &mgr;&pgr;&igr; beträgt.
DE198383106573T 1982-08-21 1983-07-05 Magnetische materialien und permanente magnete. Pending DE101552T1 (de)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP57145072A JPS5946008A (ja) 1982-08-21 1982-08-21 永久磁石
JP57200204A JPS5989401A (ja) 1982-11-15 1982-11-15 永久磁石
JP58005814A JPS59132105A (ja) 1983-01-19 1983-01-19 永久磁石用合金
JP58037896A JPS59163802A (ja) 1983-03-08 1983-03-08 永久磁石材料
JP58037898A JPS59163804A (ja) 1983-03-08 1983-03-08 永久磁石用合金
JP58084859A JPS59211558A (ja) 1983-05-14 1983-05-14 永久磁石材料
JP58094876A JPH0778269B2 (ja) 1983-05-31 1983-05-31 永久磁石用希土類・鉄・ボロン系正方晶化合物

Publications (1)

Publication Number Publication Date
DE101552T1 true DE101552T1 (de) 1989-06-22

Family

ID=27563324

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8383106573T Expired DE3380376D1 (en) 1982-08-21 1983-07-05 Magnetic materials, permanent magnets and methods of making those
DE198383106573T Pending DE101552T1 (de) 1982-08-21 1983-07-05 Magnetische materialien und permanente magnete.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE8383106573T Expired DE3380376D1 (en) 1982-08-21 1983-07-05 Magnetic materials, permanent magnets and methods of making those

Country Status (6)

Country Link
US (2) US4770723A (de)
EP (1) EP0101552B2 (de)
CA (1) CA1316375C (de)
DE (2) DE3380376D1 (de)
HK (1) HK68290A (de)
SG (1) SG48490G (de)

Families Citing this family (193)

* Cited by examiner, † Cited by third party
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US4770723A (en) 1988-09-13
US5096512A (en) 1992-03-17
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EP0101552A3 (en) 1985-03-20
EP0101552A2 (de) 1984-02-29
EP0101552B1 (de) 1989-08-09
EP0101552B2 (de) 2002-12-11
DE3380376D1 (en) 1989-09-14

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