ATE36090T1 - Dauermagnet-legierung. - Google Patents

Dauermagnet-legierung.

Info

Publication number
ATE36090T1
ATE36090T1 AT86303573T AT86303573T ATE36090T1 AT E36090 T1 ATE36090 T1 AT E36090T1 AT 86303573 T AT86303573 T AT 86303573T AT 86303573 T AT86303573 T AT 86303573T AT E36090 T1 ATE36090 T1 AT E36090T1
Authority
AT
Austria
Prior art keywords
permanent magnet
magnet alloy
alloy
magnet
distintegration
Prior art date
Application number
AT86303573T
Other languages
English (en)
Inventor
Kalathur S V L Narasimhan
Carol J Willman
Edward J Dulis
Original Assignee
Crucible Materials Corp
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=24958157&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE36090(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Crucible Materials Corp filed Critical Crucible Materials Corp
Application granted granted Critical
Publication of ATE36090T1 publication Critical patent/ATE36090T1/de

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)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
AT86303573T 1985-05-20 1986-05-12 Dauermagnet-legierung. ATE36090T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/736,017 US4588439A (en) 1985-05-20 1985-05-20 Oxygen containing permanent magnet alloy
EP86303573A EP0202834B1 (de) 1985-05-20 1986-05-12 Dauermagnet-Legierung

Publications (1)

Publication Number Publication Date
ATE36090T1 true ATE36090T1 (de) 1988-08-15

Family

ID=24958157

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86303573T ATE36090T1 (de) 1985-05-20 1986-05-12 Dauermagnet-legierung.

Country Status (6)

Country Link
US (1) US4588439A (de)
EP (1) EP0202834B1 (de)
JP (2) JPS61266552A (de)
AT (1) ATE36090T1 (de)
CA (1) CA1273232A (de)
DE (1) DE3660442D1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0175214B2 (de) * 1984-09-14 1993-12-29 Kabushiki Kaisha Toshiba Permanentmagnetische Legierung und Methode zu ihrer Herstellung
US4588439A (en) * 1985-05-20 1986-05-13 Crucible Materials Corporation Oxygen containing permanent magnet alloy
JPS6324030A (ja) * 1986-06-26 1988-02-01 Res Dev Corp Of Japan 異方性希土類磁石材料およびその製造方法
WO1988000387A1 (fr) * 1986-06-27 1988-01-14 Namiki Precision Jewel Co., Ltd. Procede de production d'aimants permanents
DE3637521A1 (de) * 1986-11-04 1988-05-11 Schramberg Magnetfab Permanentmagnet und verfahren zu seiner herstellung
DE3740157A1 (de) * 1987-11-26 1989-06-08 Max Planck Gesellschaft Sintermagnet auf basis von fe-nd-b
JPH02310395A (ja) * 1989-05-26 1990-12-26 Johoku Riken Kogyo:Kk ネオジウム―鉄―ボロン系焼結磁石の防食方法
US5244510A (en) * 1989-06-13 1993-09-14 Yakov Bogatin Magnetic materials and process for producing the same
US5266128A (en) * 1989-06-13 1993-11-30 Sps Technologies, Inc. Magnetic materials and process for producing the same
US5122203A (en) * 1989-06-13 1992-06-16 Sps Technologies, Inc. Magnetic materials
US5114502A (en) * 1989-06-13 1992-05-19 Sps Technologies, Inc. Magnetic materials and process for producing the same
US5227247A (en) * 1989-06-13 1993-07-13 Sps Technologies, Inc. Magnetic materials
US5129964A (en) * 1989-09-06 1992-07-14 Sps Technologies, Inc. Process for making nd-b-fe type magnets utilizing a hydrogen and oxygen treatment
US5162064A (en) * 1990-04-10 1992-11-10 Crucible Materials Corporation Permanent magnet having improved corrosion resistance and method for producing the same
JPH04337604A (ja) * 1991-05-14 1992-11-25 Seiko Instr Inc 希土類鉄系永久磁石
US5454998A (en) * 1994-02-04 1995-10-03 Ybm Technologies, Inc. Method for producing permanent magnet
WO1998050591A1 (en) * 1997-05-02 1998-11-12 Pohang Iron & Steel Co., Ltd. Apparatus for manufacturing molten iron by using calcination furnace, and manufacturing method therefor
US6261515B1 (en) 1999-03-01 2001-07-17 Guangzhi Ren Method for producing rare earth magnet having high magnetic properties
JP3231034B1 (ja) * 2000-05-09 2001-11-19 住友特殊金属株式会社 希土類磁石およびその製造方法
US6648984B2 (en) * 2000-09-28 2003-11-18 Sumitomo Special Metals Co., Ltd. Rare earth magnet and method for manufacturing the same
US20040169434A1 (en) * 2003-01-02 2004-09-02 Washington Richard G. Slip ring apparatus
US7071591B2 (en) * 2003-01-02 2006-07-04 Covi Technologies Electromagnetic circuit and servo mechanism for articulated cameras
US20050062572A1 (en) * 2003-09-22 2005-03-24 General Electric Company Permanent magnet alloy for medical imaging system and method of making

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4496395A (en) * 1981-06-16 1985-01-29 General Motors Corporation High coercivity rare earth-iron magnets
CA1316375C (en) * 1982-08-21 1993-04-20 Masato Sagawa Magnetic materials and permanent magnets
US4851058A (en) * 1982-09-03 1989-07-25 General Motors Corporation High energy product rare earth-iron magnet alloys
EP0108474B2 (de) * 1982-09-03 1995-06-21 General Motors Corporation RE-TM-B Legierungen, deren Herstellung und permanent Magnete die solche Legierungen enthalten
EP0106948B1 (de) * 1982-09-27 1989-01-25 Sumitomo Special Metals Co., Ltd. Permanent magnetisierbare Legierungen, magnetische Materialien und Dauermagnete die FeBR oder (Fe,Co)BR (R=seltene Erden) enthalten
US4597938A (en) * 1983-05-21 1986-07-01 Sumitomo Special Metals Co., Ltd. Process for producing permanent magnet materials
JPS6032306A (ja) * 1983-08-02 1985-02-19 Sumitomo Special Metals Co Ltd 永久磁石
US4588439A (en) * 1985-05-20 1986-05-13 Crucible Materials Corporation Oxygen containing permanent magnet alloy

Also Published As

Publication number Publication date
JPS61266552A (ja) 1986-11-26
US4588439A (en) 1986-05-13
EP0202834A1 (de) 1986-11-26
DE3660442D1 (en) 1988-09-01
EP0202834B1 (de) 1988-07-27
JPH06192796A (ja) 1994-07-12
CA1273232A (en) 1990-08-28
JPH0369982B2 (de) 1991-11-06
JP2770285B2 (ja) 1998-06-25

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
RZN Patent revoked