WO2014068267A8 - Production of powder for powder metallurgy - Google Patents

Production of powder for powder metallurgy Download PDF

Info

Publication number
WO2014068267A8
WO2014068267A8 PCT/GB2013/000463 GB2013000463W WO2014068267A8 WO 2014068267 A8 WO2014068267 A8 WO 2014068267A8 GB 2013000463 W GB2013000463 W GB 2013000463W WO 2014068267 A8 WO2014068267 A8 WO 2014068267A8
Authority
WO
WIPO (PCT)
Prior art keywords
powder
size characteristics
metallurgy process
metallic
metallic particles
Prior art date
Application number
PCT/GB2013/000463
Other languages
French (fr)
Other versions
WO2014068267A1 (en
Inventor
Kartik RAO
Lucy GRAINGER
James Deane
John Clifford
Ian Mellor
Original Assignee
Metalysis Limited
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 Metalysis Limited filed Critical Metalysis Limited
Publication of WO2014068267A1 publication Critical patent/WO2014068267A1/en
Publication of WO2014068267A8 publication Critical patent/WO2014068267A8/en

Links

Classifications

    • 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
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/05—Metallic powder characterised by the size or surface area of the particles
    • B22F1/052—Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C5/00—Electrolytic production, recovery or refining of metal powders or porous metal masses
    • C25C5/04—Electrolytic production, recovery or refining of metal powders or porous metal masses from melts
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
    • C25C7/005—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells of cells for the electrolysis of melts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Powder Metallurgy (AREA)

Abstract

A method is provided for producing a metal powder suitable for a powder metallurgy process. The method involves steps of identifying a first set of powder size characteristics that define a metal powder suitable for use in a powder metallurgy process, obtaining a non-metallic powder comprising a plurality of non-metallic particles, selecting a fraction of the non-metallic particles having a second set of powder size characteristics, and reducing the selected fraction of non-metallic particles to a metal powder. The metal powder formed by the reduction has powder size characteristics approximating the first set of powder size characteristics and is suitable for use in the powder metallurgy process. The method preferably allows the reduction of a non-metallic feedstock directly to a powder having desired powder size characteristics, such as a desired particle size distribution, for use in a powder metallurgy process without need for any further processing.
PCT/GB2013/000463 2012-10-31 2013-10-31 Production of powder for powder metallurgy WO2014068267A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB1219605.1A GB201219605D0 (en) 2012-10-31 2012-10-31 Production of powder for powder metallurgy
GB1219605.1 2012-10-31

Publications (2)

Publication Number Publication Date
WO2014068267A1 WO2014068267A1 (en) 2014-05-08
WO2014068267A8 true WO2014068267A8 (en) 2014-07-17

Family

ID=47358961

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2013/000463 WO2014068267A1 (en) 2012-10-31 2013-10-31 Production of powder for powder metallurgy

Country Status (2)

Country Link
GB (1) GB201219605D0 (en)
WO (1) WO2014068267A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2527267A (en) * 2014-02-21 2015-12-23 Metalysis Ltd Method of producing metal
GB201615660D0 (en) 2016-09-14 2016-10-26 Metalysis Ltd Method of producing a powder
GB201615658D0 (en) 2016-09-14 2016-10-26 Metalysis Ltd Method of producing a composite material
GB201615659D0 (en) 2016-09-14 2016-10-26 Metalysis Ltd Method of producing a powder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9812169D0 (en) * 1998-06-05 1998-08-05 Univ Cambridge Tech Purification method
WO2010036131A1 (en) * 2008-09-25 2010-04-01 Titanox Development Limited Production of titanium alloys in particulate form via solid state reduction process
EA030643B1 (en) * 2011-10-04 2018-09-28 Металисиз Лимитед Electrolytic production of powder

Also Published As

Publication number Publication date
WO2014068267A1 (en) 2014-05-08
GB201219605D0 (en) 2012-12-12

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