BR8703666A - Processo de preparacao de um ima permanente - Google Patents

Processo de preparacao de um ima permanente

Info

Publication number
BR8703666A
BR8703666A BR8703666A BR8703666A BR8703666A BR 8703666 A BR8703666 A BR 8703666A BR 8703666 A BR8703666 A BR 8703666A BR 8703666 A BR8703666 A BR 8703666A BR 8703666 A BR8703666 A BR 8703666A
Authority
BR
Brazil
Prior art keywords
ima
permanent
preparing
permanent ima
Prior art date
Application number
BR8703666A
Other languages
English (en)
Inventor
Bruce M Clemens
Original Assignee
Gen Motors 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
Application filed by Gen Motors Corp filed Critical Gen Motors Corp
Publication of BR8703666A publication Critical patent/BR8703666A/pt

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
    • 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
    • H01F1/0576—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 pressed, e.g. hot working
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Hard Magnetic Materials (AREA)
  • Crushing And Grinding (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
BR8703666A 1986-07-15 1987-07-14 Processo de preparacao de um ima permanente BR8703666A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/885,943 US4778542A (en) 1986-07-15 1986-07-15 High energy ball milling method for making rare earth-transition metal-boron permanent magnets

Publications (1)

Publication Number Publication Date
BR8703666A true BR8703666A (pt) 1988-03-22

Family

ID=25388046

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8703666A BR8703666A (pt) 1986-07-15 1987-07-14 Processo de preparacao de um ima permanente

Country Status (8)

Country Link
US (1) US4778542A (pt)
EP (1) EP0253521A3 (pt)
JP (1) JPS6331102A (pt)
KR (1) KR910003784B1 (pt)
CN (1) CN1007099B (pt)
AU (1) AU591996B2 (pt)
BR (1) BR8703666A (pt)
CA (1) CA1275377C (pt)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE3832472A1 (de) * 1988-09-23 1990-03-29 Siemens Ag Verfahren zur herstellung eines werkstoffes mit einer hartmagnetischen phase aus pulverfoermigen ausgangskomponenten
JPH0439915A (ja) * 1990-06-05 1992-02-10 Seiko Instr Inc 希土類磁石の製造方法
US5395459A (en) * 1992-06-08 1995-03-07 General Motors Corporation Method for forming samarium-iron-nitride magnet alloys
WO1996010539A1 (en) * 1994-10-04 1996-04-11 The Australian National University Preparation of metal oxide powders using activated ball milling
US6596096B2 (en) * 2001-08-14 2003-07-22 General Electric Company Permanent magnet for electromagnetic device and method of making
US7207526B2 (en) * 2002-06-26 2007-04-24 Mccarthy Peter T High efficiency tip vortex reversal and induced drag reduction
US7217386B2 (en) * 2004-08-02 2007-05-15 The Regents Of The University Of California Preparation of nanocomposites of alumina and titania
US11383280B2 (en) 2013-03-22 2022-07-12 Battelle Memorial Institute Devices and methods for performing shear-assisted extrusion, extrusion feedstocks, extrusion processes, and methods for preparing metal sheets
US10695811B2 (en) 2013-03-22 2020-06-30 Battelle Memorial Institute Functionally graded coatings and claddings
US10189063B2 (en) 2013-03-22 2019-01-29 Battelle Memorial Institute System and process for formation of extrusion products
US11045851B2 (en) 2013-03-22 2021-06-29 Battelle Memorial Institute Method for Forming Hollow Profile Non-Circular Extrusions Using Shear Assisted Processing and Extrusion (ShAPE)
US20140328959A1 (en) 2013-05-03 2014-11-06 Battelle Memorial Institute System and process for friction consolidation fabrication of permanent magnets and other extrusion and non-extrusion structures
US9399223B2 (en) 2013-07-30 2016-07-26 General Electric Company System and method of forming nanostructured ferritic alloy
US9418779B2 (en) 2013-10-22 2016-08-16 Battelle Memorial Institute Process for preparing scalable quantities of high purity manganese bismuth magnetic materials for fabrication of permanent magnets
CN104646677B (zh) * 2015-01-05 2017-08-01 中国科学院物理研究所 一种磁性粉体的制备方法
CN109346258B (zh) * 2018-09-08 2020-12-18 江西理工大学 一种纳米双主相磁体及其制备方法
US11549532B1 (en) 2019-09-06 2023-01-10 Battelle Memorial Institute Assemblies, riveted assemblies, methods for affixing substrates, and methods for mixing materials to form a metallurgical bond
WO2023043839A1 (en) 2021-09-15 2023-03-23 Battelle Memorial Institute Shear-assisted extrusion assemblies and methods

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE972014C (de) * 1954-01-20 1959-05-06 Eisen & Stahlind Ag Verfahren zur Herstellung von Dauermagneten aus feinstkoernigem ferromagnetischem Metallpulver
US4135953A (en) * 1975-09-23 1979-01-23 Bbc Brown, Boveri & Company, Limited Permanent magnet and method of making it
US4043845A (en) * 1975-11-28 1977-08-23 Raytheon Company Carbon stabilized cobalt-rare earth magnetic materials
DE3379131D1 (en) * 1982-09-03 1989-03-09 Gen Motors Corp Re-tm-b alloys, method for their production and permanent magnets containing such alloys
CA1277159C (en) * 1983-05-06 1990-12-04 Setsuo Fujimura Isotropic permanent magnets and process for producing same
CA1236381A (en) * 1983-08-04 1988-05-10 Robert W. Lee Iron-rare earth-boron permanent magnets by hot working
JPS6091601A (ja) * 1983-10-25 1985-05-23 Sumitomo Special Metals Co Ltd 希土類・ボロン・鉄系永久磁石用合金粉末の粉砕方法
FR2598949B1 (fr) * 1986-05-23 1989-08-04 Centre Nat Rech Scient Procede pour la preparation de cristaux finement divises a partir d'un alliage metallique, notamment pour la preparation d'aimants permanents
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

Also Published As

Publication number Publication date
KR880002207A (ko) 1988-04-29
EP0253521A3 (en) 1990-02-07
KR910003784B1 (ko) 1991-06-12
AU591996B2 (en) 1989-12-21
CN1007099B (zh) 1990-03-07
AU7525187A (en) 1988-01-21
US4778542A (en) 1988-10-18
CA1275377C (en) 1990-10-23
CN87104923A (zh) 1988-01-27
EP0253521A2 (en) 1988-01-20
JPS6331102A (ja) 1988-02-09

Similar Documents

Publication Publication Date Title
BR8703666A (pt) Processo de preparacao de um ima permanente
PT90637A (pt) Processo de preparacao de polianidridos
KR880701445A (ko) 영구자석의 제조방법
BR8205458A (pt) Processo de preparacao de circuitos flexiveis
DK196986D0 (da) Fremstilling af polysaccharider
BR8804491A (pt) Processo de preparacao de policarbonato
BR8705460A (pt) Processo de fabricacao de um ima permanente
BR8803990A (pt) Processo de montagem de um servofreio
PT86069A (pt) Processo de preparacao de ureia
IT1230108B (it) Filtro di processo
BR8705545A (pt) Processo de preparacao de composto
PT92171A (pt) Processo de preparacao de n-fosfonometil-glicina
BR8702717A (pt) Processo de formacao de composto
PT84624B (pt) Processo de preparacao de imidazois substituidos
DK124387D0 (da) Beklaedning
BR8804065A (pt) Processo de preparacao de um composto
PT84553B (pt) Processo de preparacao de derivados de indenopirimidina
DK120386A (da) Elektromotor
PT94032A (pt) Processo de preparacao de betao betuminoso contendo pedacos de arame
BR8601349A (pt) Processo de preparar w-lactamas
BR8707074A (pt) Processo
PT84582A (pt) Processo aperfeicoado de construcao de moradias
KR880701245A (ko) 16α-메틸화공정
BR8601862A (pt) Obturador,conjunto de obturador e processo de preparar um obturador
BR8701005A (pt) Aparelho e processo de fundicao

Legal Events

Date Code Title Description
FA2 Application deemed withdrawn (art. 19(5))
HO Change of classification

Free format text: INT. CL. 5 H01F 41/02, 1/08