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SG49090G - Isotropic permanent magnets and process for producing same - Google Patents

Isotropic permanent magnets and process for producing same

Info

Publication number
SG49090G
SG49090G SG49090A SG49090A SG49090G SG 49090 G SG49090 G SG 49090G SG 49090 A SG49090 A SG 49090A SG 49090 A SG49090 A SG 49090A SG 49090 G SG49090 G SG 49090G
Authority
SG
Singapore
Prior art keywords
permanent magnets
producing same
isotropic permanent
isotropic
producing
Prior art date
Application number
SG49090A
Other languages
English (en)
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=SG49090(G) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP58079098A external-priority patent/JPS59204211A/ja
Priority claimed from JP58079096A external-priority patent/JPS59204209A/ja
Application filed by Sumitomo Spec Metals filed Critical Sumitomo Spec Metals
Publication of SG49090G publication Critical patent/SG49090G/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)
SG49090A 1983-05-06 1990-07-04 Isotropic permanent magnets and process for producing same SG49090G (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58079098A JPS59204211A (ja) 1983-05-06 1983-05-06 等方性永久磁石材料
JP58079096A JPS59204209A (ja) 1983-05-06 1983-05-06 等方性永久磁石材料

Publications (1)

Publication Number Publication Date
SG49090G true SG49090G (en) 1990-08-17

Family

ID=26420168

Family Applications (1)

Application Number Title Priority Date Filing Date
SG49090A SG49090G (en) 1983-05-06 1990-07-04 Isotropic permanent magnets and process for producing same

Country Status (5)

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

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1271394A (fr) * 1985-02-25 1990-07-10 Karen S. Canavan Alliage magnetique permanent a remanence accrue et composes et methode de fabrication de cet alliage
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 (de) * 1990-06-30 1997-09-11 Vacuumschmelze Gmbh Dauermagnet des Typs SE-Fe-B und Verfahren zu seiner Herstellung
DE4135403C2 (de) * 1991-10-26 1994-06-16 Vacuumschmelze Gmbh SE-Fe-B-Dauermagnet und Verfahren zu seiner Herstellung
DE19636284C2 (de) * 1996-09-06 1998-07-16 Vacuumschmelze Gmbh SE-Fe-B-Dauermagnet und Verfahren zu seiner Herstellung
DE19636283A1 (de) * 1996-09-06 1998-03-12 Vacuumschmelze Gmbh Verfahren zur Herstellung eines SE-FE-B-Dauermagneten
DE19636285C2 (de) * 1996-09-06 1998-07-16 Vakuumschmelze Gmbh Verfahren zur Herstellung eines SE-Fe-B-Dauermagneten
DE19945943B4 (de) * 1999-09-24 2005-06-02 Vacuumschmelze Gmbh Borarme Nd-Fe-B-Legierung und Verfahren zu deren Herstellung
DE19945942C2 (de) * 1999-09-24 2003-07-17 Vacuumschmelze Gmbh Verfahren zur Herstellung von Dauermagneten aus einer borarmen Nd-Fe-B-Legierung
DE19962232B4 (de) 1999-12-22 2006-05-04 Vacuumschmelze Gmbh Verfahren zur Herstellung stabförmiger Dauermagnete
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
US6966953B2 (en) * 2002-04-29 2005-11-22 University Of Dayton Modified sintered RE-Fe-B-type, rare earth permanent magnets with improved toughness
US7485193B2 (en) 2004-06-22 2009-02-03 Shin-Etsu Chemical Co., Ltd R-FE-B based rare earth permanent magnet material
GB0525766D0 (en) * 2005-12-19 2006-01-25 Dymo Nv Magnetic tape
CN110957092B (zh) * 2019-12-19 2021-06-11 厦门钨业股份有限公司 R-t-b系磁体材料、原料组合物及制备方法和应用

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1316375C (fr) * 1982-08-21 1993-04-20 Masato Sagawa Materiaux magnetiques et aimants permanents
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
EP0124655A2 (fr) 1984-11-14
EP0124655B1 (fr) 1989-09-20
CA1277159C (fr) 1990-12-04
DE3380612D1 (en) 1989-10-26
HK68390A (en) 1990-09-07
EP0124655A3 (en) 1986-09-10

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