DE3637521A1 - Permanentmagnet und verfahren zu seiner herstellung - Google Patents

Permanentmagnet und verfahren zu seiner herstellung

Info

Publication number
DE3637521A1
DE3637521A1 DE19863637521 DE3637521A DE3637521A1 DE 3637521 A1 DE3637521 A1 DE 3637521A1 DE 19863637521 DE19863637521 DE 19863637521 DE 3637521 A DE3637521 A DE 3637521A DE 3637521 A1 DE3637521 A1 DE 3637521A1
Authority
DE
Germany
Prior art keywords
percent
weight
permanent magnet
alloy
rare earth
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.)
Granted
Application number
DE19863637521
Other languages
German (de)
English (en)
Other versions
DE3637521C2 (enExample
Inventor
Sevi Gaiffi
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.)
SCHRAMBERG MAGNETFAB
Original Assignee
SCHRAMBERG MAGNETFAB
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 SCHRAMBERG MAGNETFAB filed Critical SCHRAMBERG MAGNETFAB
Priority to DE19863637521 priority Critical patent/DE3637521A1/de
Publication of DE3637521A1 publication Critical patent/DE3637521A1/de
Application granted granted Critical
Publication of DE3637521C2 publication Critical patent/DE3637521C2/de
Granted 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
    • H01F1/057—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

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
DE19863637521 1986-11-04 1986-11-04 Permanentmagnet und verfahren zu seiner herstellung Granted DE3637521A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19863637521 DE3637521A1 (de) 1986-11-04 1986-11-04 Permanentmagnet und verfahren zu seiner herstellung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863637521 DE3637521A1 (de) 1986-11-04 1986-11-04 Permanentmagnet und verfahren zu seiner herstellung

Publications (2)

Publication Number Publication Date
DE3637521A1 true DE3637521A1 (de) 1988-05-11
DE3637521C2 DE3637521C2 (enExample) 1989-11-30

Family

ID=6313125

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863637521 Granted DE3637521A1 (de) 1986-11-04 1986-11-04 Permanentmagnet und verfahren zu seiner herstellung

Country Status (1)

Country Link
DE (1) DE3637521A1 (enExample)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989005031A1 (fr) * 1987-11-26 1989-06-01 Max-Planck-Gesellschaft Zur Förderung Der Wissensc AIMANT FRITTE A BASE DE Fe-Nd-B
DE3928389A1 (de) * 1989-08-28 1991-03-14 Schramberg Magnetfab Permanentmagnet
EP0389626A4 (en) * 1988-06-03 1991-07-31 Mitsubishi Metal Corporation Sintered rare earth element-b-fe-magnet and process for its production
AT393177B (de) * 1989-04-28 1991-08-26 Boehler Gmbh Permanentmagnet(-werkstoff) sowie verfahren zur herstellung desselben
US5162064A (en) * 1990-04-10 1992-11-10 Crucible Materials Corporation Permanent magnet having improved corrosion resistance and method for producing the same
US5217543A (en) * 1991-05-14 1993-06-08 Seiko Instruments Inc. Rare earth-iron magnet
DE4331563A1 (de) * 1992-09-18 1994-03-24 Hitachi Metals Ltd Nd-Fe-B-Sintermagnete
EP0571002B2 (en) † 1989-08-25 2003-01-02 Dowa Mining Co., Ltd. Permanent magnet alloy having improved resistance to oxidation and process for production thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4588439A (en) * 1985-05-20 1986-05-13 Crucible Materials Corporation Oxygen containing permanent magnet alloy

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4588439A (en) * 1985-05-20 1986-05-13 Crucible Materials Corporation Oxygen containing permanent magnet alloy

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
IEEE Trans.on Magnetics,Vol.MAG-22(1986)S.309,314 *
IEEE Trans.on Magnetics,Vol.MAG-22(1986)S.763-748 *
IEEE Trans.on Magnetics,Vol.MAG-22(1986)S.763-765 *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989005031A1 (fr) * 1987-11-26 1989-06-01 Max-Planck-Gesellschaft Zur Förderung Der Wissensc AIMANT FRITTE A BASE DE Fe-Nd-B
US5194099A (en) * 1987-11-26 1993-03-16 501 Max-Planck-Gesellschaft zur Forderung der Wissenschaften E.V. Sinter magnet based on fe-nd-b
EP0389626A4 (en) * 1988-06-03 1991-07-31 Mitsubishi Metal Corporation Sintered rare earth element-b-fe-magnet and process for its production
AT393177B (de) * 1989-04-28 1991-08-26 Boehler Gmbh Permanentmagnet(-werkstoff) sowie verfahren zur herstellung desselben
EP0571002B2 (en) † 1989-08-25 2003-01-02 Dowa Mining Co., Ltd. Permanent magnet alloy having improved resistance to oxidation and process for production thereof
EP0414645B2 (en) † 1989-08-25 2003-01-02 Dowa Mining Co., Ltd. Permanent magnet alloy having improved resistance to oxidation and process for production thereof
DE3928389A1 (de) * 1989-08-28 1991-03-14 Schramberg Magnetfab Permanentmagnet
US5162064A (en) * 1990-04-10 1992-11-10 Crucible Materials Corporation Permanent magnet having improved corrosion resistance and method for producing the same
US5282904A (en) * 1990-04-10 1994-02-01 Crucible Materials Corporation Permanent magnet having improved corrosion resistance and method for producing the same
US5217543A (en) * 1991-05-14 1993-06-08 Seiko Instruments Inc. Rare earth-iron magnet
DE4331563A1 (de) * 1992-09-18 1994-03-24 Hitachi Metals Ltd Nd-Fe-B-Sintermagnete

Also Published As

Publication number Publication date
DE3637521C2 (enExample) 1989-11-30

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8363 Opposition against the patent
8331 Complete revocation