EP0331286A3 - Compactage rapide d'alliages terres rares-métaux de transistion dans une matrice remplie d'un fluide - Google Patents

Compactage rapide d'alliages terres rares-métaux de transistion dans une matrice remplie d'un fluide Download PDF

Info

Publication number
EP0331286A3
EP0331286A3 EP89300871A EP89300871A EP0331286A3 EP 0331286 A3 EP0331286 A3 EP 0331286A3 EP 89300871 A EP89300871 A EP 89300871A EP 89300871 A EP89300871 A EP 89300871A EP 0331286 A3 EP0331286 A3 EP 0331286A3
Authority
EP
European Patent Office
Prior art keywords
transition metal
rare earth
fluid
metal alloys
rapid compaction
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.)
Withdrawn
Application number
EP89300871A
Other languages
German (de)
English (en)
Other versions
EP0331286A2 (fr
Inventor
Peter Vernia
Elizabeth F. Harasek
Ronald G. Lanzi
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.)
Motors Liquidation Co
Original Assignee
General 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 General Motors Corp filed Critical General Motors Corp
Publication of EP0331286A2 publication Critical patent/EP0331286A2/fr
Publication of EP0331286A3 publication Critical patent/EP0331286A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/001—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a flexible element, e.g. diaphragm, urged by fluid pressure; Isostatic presses
    • B30B11/002—Isostatic press chambers; Press stands therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/1208—Containers or coating used therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/14—Both compacting and sintering simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/14—Both compacting and sintering simultaneously
    • B22F3/15—Hot isostatic pressing
    • 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
    • H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
    • H01F1/0556—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together pressed
    • 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
    • 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
    • H01F41/02—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 manufacturing cores, coils, or magnets
    • H01F41/0253—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 manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0266—Moulding; Pressing

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
EP89300871A 1988-03-03 1989-01-30 Compactage rapide d'alliages terres rares-métaux de transistion dans une matrice remplie d'un fluide Withdrawn EP0331286A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16355888A 1988-03-03 1988-03-03
US163558 1988-03-03

Publications (2)

Publication Number Publication Date
EP0331286A2 EP0331286A2 (fr) 1989-09-06
EP0331286A3 true EP0331286A3 (fr) 1989-11-02

Family

ID=22590556

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89300871A Withdrawn EP0331286A3 (fr) 1988-03-03 1989-01-30 Compactage rapide d'alliages terres rares-métaux de transistion dans une matrice remplie d'un fluide

Country Status (2)

Country Link
EP (1) EP0331286A3 (fr)
JP (1) JPH01287204A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0102103D0 (sv) * 2001-06-13 2001-06-13 Hoeganaes Ab High density soft magnetic products and method for the preparation thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094164A1 (fr) * 1982-04-28 1983-11-16 Kelsey-Hayes Company Procédé de consolidation d'un matériau au moyen d'une matière coulée transmettant la pression
EP0133758A2 (fr) * 1983-08-04 1985-03-06 General Motors Corporation Aimants permanents à partir de fer, de métaux de terres rares et de bore, par traitement thermique
JPS6089533A (ja) * 1983-10-20 1985-05-20 Namiki Precision Jewel Co Ltd Ｃｏ−Ｆｅ系永久磁石合金の製造方法
GB2165862A (en) * 1984-10-18 1986-04-23 Hitachi Shipbuilding Eng Co Press sintering compact in melt
US4612161A (en) * 1983-10-20 1986-09-16 The United States Of America As Represented By The United States Department Of Energy Fabrication of metallic glass structures
EP0196448A1 (fr) * 1985-02-25 1986-10-08 Nippondenso Co., Ltd. Procédé de fabrication d'une ébauche amorphe
EP0203311A1 (fr) * 1985-05-24 1986-12-03 Kernforschungszentrum Karlsruhe Gmbh Préparation d'ébauches à propriétés isotropes

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62176700A (ja) * 1986-01-29 1987-08-03 Mitsubishi Heavy Ind Ltd 静水圧加圧処理装置及び静水圧加圧処理方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094164A1 (fr) * 1982-04-28 1983-11-16 Kelsey-Hayes Company Procédé de consolidation d'un matériau au moyen d'une matière coulée transmettant la pression
EP0133758A2 (fr) * 1983-08-04 1985-03-06 General Motors Corporation Aimants permanents à partir de fer, de métaux de terres rares et de bore, par traitement thermique
JPS6089533A (ja) * 1983-10-20 1985-05-20 Namiki Precision Jewel Co Ltd Ｃｏ−Ｆｅ系永久磁石合金の製造方法
US4612161A (en) * 1983-10-20 1986-09-16 The United States Of America As Represented By The United States Department Of Energy Fabrication of metallic glass structures
GB2165862A (en) * 1984-10-18 1986-04-23 Hitachi Shipbuilding Eng Co Press sintering compact in melt
EP0196448A1 (fr) * 1985-02-25 1986-10-08 Nippondenso Co., Ltd. Procédé de fabrication d'une ébauche amorphe
EP0203311A1 (fr) * 1985-05-24 1986-12-03 Kernforschungszentrum Karlsruhe Gmbh Préparation d'ébauches à propriétés isotropes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, Vol. 9, No. 228 (C-303)[1951], 13th September 1985; & JP-A-60 089 533 (NAMIKI SEIMITSU HOUSEKI K.K.) (20-05-1985) *

Also Published As

Publication number Publication date
JPH01287204A (ja) 1989-11-17
EP0331286A2 (fr) 1989-09-06

Similar Documents

Publication Publication Date Title
AU2491488A (en) Pressure balanced hydraulic coupling with metal seals
TW346503B (en) Method of polishing a surface of copper or an alloy comprising mainly copper, magnetic head obtainable by means of the method
EP0945199A3 (fr) Boitier forgé en alliage de magnésium et procédé pour sa fabrication
DE3463461D1 (en) A method for producing a clad alloy article and an assembly for use therein
AU3125884A (en) Low-pressure die casting of metals
AU563371B2 (en) Semi-isostatic compaction
CA2100833A1 (fr) Methode et dispositif pour la densification d'un materiau
AU2039395A (en) Method of making an aluminum alloy brazing agent containing a flux
EP0202668A3 (fr) Méthode de culture de protoplastes
EP0331286A3 (fr) Compactage rapide d'alliages terres rares-métaux de transistion dans une matrice remplie d'un fluide
EP0150713A3 (fr) Ebauche en Mo-Ti contenant un adjuvant de frittage non-métallique
SE8400271L (sv) Hydraulisk press med tryckcell
MY107578A (en) Method of closing a mould before at least partly fil- ling a cavity of this mould with a solidifiable liquid and press suitable for carrying out this method and mould part suitable for use in this press
ES8102866A1 (es) Procedimiento e instalacion de moldeo a baja presion de pie-zas metalicas en impresion de arena con pared delgada
EP0351154A3 (fr) Moule revêtu de métal pour objet plastique et son procédé de fabrication
Vernia et al. Rapid Compaction of Rare Earth--Transition Metal Alloys in a Fluid-Filled Die
EP0355741A3 (fr) Aimant permanent à haut degré d'orientation et son procédé de fabrication
JPS5740669A (en) Watch hand and manuacture thereof
EP0392818A3 (fr) Outillage et procédé pour le pressage isostatique de matières céramiques
NO884330L (no) Fremgangsmaate til fremstilling av et roerformet halvferdigprodukt av kobberlegering.
JPS56167935A (en) Friction member
AU3966389A (en) Low pressure casting of metal
CA2245952A1 (fr) Methode de fabrication d'ebauche de foret
TW271503B (en) Process of adhering plates
ES2032261A6 (es) Aparato intensificador de carga oleoneumatico y su metodo de aplicacion.

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB

18W Application withdrawn

Withdrawal date: 19890922