HK68390A - Isotropic permanent magnets and process for producing same - Google Patents

Isotropic permanent magnets and process for producing same

Info

Publication number
HK68390A
HK68390A HK68390A HK68390A HK68390A HK 68390 A HK68390 A HK 68390A HK 68390 A HK68390 A HK 68390A HK 68390 A HK68390 A HK 68390A HK 68390 A HK68390 A HK 68390A
Authority
HK
Hong Kong
Prior art keywords
permanent magnets
producing same
isotropic permanent
isotropic
producing
Prior art date
Application number
HK68390A
Inventor
Setsuo Fujimura
Masato Sagawa
Yutaka Matsuura
Original Assignee
Sumitomo Spec Metals
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=26420168&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK68390(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP58079096A external-priority patent/JPS59204209A/en
Priority claimed from JP58079098A external-priority patent/JPS59204211A/en
Application filed by Sumitomo Spec Metals filed Critical Sumitomo Spec Metals
Publication of HK68390A publication Critical patent/HK68390A/en

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)
HK68390A 1983-05-06 1990-08-30 Isotropic permanent magnets and process for producing same HK68390A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58079096A JPS59204209A (en) 1983-05-06 1983-05-06 Isotropic permanent magnet and manufacture thereof
JP58079098A JPS59204211A (en) 1983-05-06 1983-05-06 Isotropic permanent magnet and manufacture thereof

Publications (1)

Publication Number Publication Date
HK68390A true HK68390A (en) 1990-09-07

Family

ID=26420168

Family Applications (1)

Application Number Title Priority Date Filing Date
HK68390A HK68390A (en) 1983-05-06 1990-08-30 Isotropic permanent magnets and process for producing same

Country Status (5)

Country Link
EP (1) EP0124655B1 (en)
CA (1) CA1277159C (en)
DE (1) DE3380612D1 (en)
HK (1) HK68390A (en)
SG (1) SG49090G (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1271394A (en) * 1985-02-25 1990-07-10 Karen S. Canavan Enhanced remanence permanent magnetic alloy and bodies thereof and method of preparing same
US4954186A (en) * 1986-05-30 1990-09-04 Union Oil Company Of California Rear earth-iron-boron permanent magnets containing aluminum
US4778542A (en) * 1986-07-15 1988-10-18 General Motors Corporation High energy ball milling method for making rare earth-transition metal-boron permanent magnets
US4829277A (en) * 1986-11-20 1989-05-09 General Motors Corporation Isotropic rare earth-iron field magnets for magnetic resonance imaging
US4849035A (en) * 1987-08-11 1989-07-18 Crucible Materials Corporation Rare earth, iron carbon permanent magnet alloys and method for producing the same
DE4027598C2 (en) * 1990-06-30 1997-09-11 Vacuumschmelze Gmbh Permanent magnet of type SE-Fe-B and process for its production
DE4135403C2 (en) * 1991-10-26 1994-06-16 Vacuumschmelze Gmbh SE-Fe-B permanent magnet and process for its manufacture
DE19636283A1 (en) * 1996-09-06 1998-03-12 Vacuumschmelze Gmbh Process for manufacturing a SE-FE-B permanent magnet
DE19636285C2 (en) * 1996-09-06 1998-07-16 Vakuumschmelze Gmbh Process for producing an SE-Fe-B permanent magnet
DE19636284C2 (en) * 1996-09-06 1998-07-16 Vacuumschmelze Gmbh SE-Fe-B permanent magnet and process for its manufacture
DE19945942C2 (en) * 1999-09-24 2003-07-17 Vacuumschmelze Gmbh Process for the production of permanent magnets from a low-boron Nd-Fe-B alloy
DE19945943B4 (en) * 1999-09-24 2005-06-02 Vacuumschmelze Gmbh Borarme Nd-Fe-B alloy and process for its preparation
DE19962232B4 (en) * 1999-12-22 2006-05-04 Vacuumschmelze Gmbh Method for producing rod-shaped permanent magnets
US6966953B2 (en) * 2002-04-29 2005-11-22 University Of Dayton Modified sintered RE-Fe-B-type, rare earth permanent magnets with improved toughness
US6994755B2 (en) * 2002-04-29 2006-02-07 University Of Dayton Method of improving toughness of sintered RE-Fe-B-type, rare earth permanent magnets
CN1934283B (en) 2004-06-22 2011-07-27 信越化学工业株式会社 R-Fe-B-based rare earth permanent magnet material
GB0525766D0 (en) * 2005-12-19 2006-01-25 Dymo Nv Magnetic tape
CN110957092B (en) * 2019-12-19 2021-06-11 厦门钨业股份有限公司 R-T-B series magnet material, raw material composition, preparation method and application

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1316375C (en) * 1982-08-21 1993-04-20 Masato Sagawa Magnetic materials and permanent magnets
US4597938A (en) * 1983-05-21 1986-07-01 Sumitomo Special Metals Co., Ltd. Process for producing permanent magnet materials

Also Published As

Publication number Publication date
EP0124655A3 (en) 1986-09-10
EP0124655A2 (en) 1984-11-14
SG49090G (en) 1990-08-17
DE3380612D1 (en) 1989-10-26
CA1277159C (en) 1990-12-04
EP0124655B1 (en) 1989-09-20

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Legal Events

Date Code Title Description
PE Patent expired