DE69904757D1 - Verfahren zur herstellung von sinterfähigen metallpulvern aus wolfram und kupfer - Google Patents

Verfahren zur herstellung von sinterfähigen metallpulvern aus wolfram und kupfer

Info

Publication number
DE69904757D1
DE69904757D1 DE69904757T DE69904757T DE69904757D1 DE 69904757 D1 DE69904757 D1 DE 69904757D1 DE 69904757 T DE69904757 T DE 69904757T DE 69904757 T DE69904757 T DE 69904757T DE 69904757 D1 DE69904757 D1 DE 69904757D1
Authority
DE
Germany
Prior art keywords
tungsten
copper
metal powder
reduction
temperature
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.)
Expired - Lifetime
Application number
DE69904757T
Other languages
German (de)
English (en)
Inventor
Gualtiero Gusmano
Alessandra Bianco
Riccardo Polini
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.)
CELSIA SpA
Original Assignee
CELSIA SpA
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 CELSIA SpA filed Critical CELSIA SpA
Application granted granted Critical
Publication of DE69904757D1 publication Critical patent/DE69904757D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
    • 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
    • B22F1/17—Metallic particles coated with metal
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/045—Alloys based on refractory metals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/021—Composite material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
DE69904757T 1998-12-16 1999-10-12 Verfahren zur herstellung von sinterfähigen metallpulvern aus wolfram und kupfer Expired - Lifetime DE69904757D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1998RM000776A IT1302926B1 (it) 1998-12-16 1998-12-16 Procedimento per la produzione di polveri composite tungsteno-ramesinterizzabili.
PCT/IT1999/000321 WO2000035616A1 (en) 1998-12-16 1999-10-12 Process for the production of tungsten-copper composite sinterable powders

Publications (1)

Publication Number Publication Date
DE69904757D1 true DE69904757D1 (de) 2003-02-06

Family

ID=11406255

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69904757T Expired - Lifetime DE69904757D1 (de) 1998-12-16 1999-10-12 Verfahren zur herstellung von sinterfähigen metallpulvern aus wolfram und kupfer

Country Status (7)

Country Link
EP (1) EP1140397B1 (it)
AT (1) ATE230321T1 (it)
AU (1) AU1073800A (it)
CZ (1) CZ20012180A3 (it)
DE (1) DE69904757D1 (it)
IT (1) IT1302926B1 (it)
WO (1) WO2000035616A1 (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10041194A1 (de) 2000-08-23 2002-03-07 Starck H C Gmbh Verfahren zur Herstellung von Verbundbauteilen durch Pulver-Spritzgießen und dazu geeignete Verbundpulver
DE112004000163T5 (de) * 2003-01-21 2006-03-02 Osram Sylvania Inc., Danvers Elektrochemisches Verdrängungsablagerungsverfahren zur Herstellung von Metallverbundpulvern
CN102554218A (zh) * 2011-11-23 2012-07-11 西安理工大学 一种通过化学镀铜制备钨铜复合粉末的方法
CN104722753B (zh) * 2015-03-24 2017-01-18 中国石油集团川庆钻探工程有限公司 一种射孔弹药型罩用钨铜粉末制备方法
US10737248B2 (en) * 2018-06-26 2020-08-11 Uop Llc Crystalline transition metal tungstate
CN113020588B (zh) * 2021-02-26 2023-02-24 西安稀有金属材料研究院有限公司 一种氧化石墨烯掺杂钨-铜核壳结构材料的制备方法
CN113523295B (zh) * 2021-07-20 2023-01-17 天津大学 一种增材制造用铜包覆钨球形复合粉末的制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2537898A1 (fr) * 1982-12-21 1984-06-22 Univ Paris Procede de reduction de composes metalliques par les polyols, et poudres metalliques obtenues par ce procede
GB2236117A (en) * 1989-09-20 1991-03-27 Shell Int Research Process for preparing silver powder
US5439638A (en) * 1993-07-16 1995-08-08 Osram Sylvania Inc. Method of making flowable tungsten/copper composite powder
FR2723015B1 (fr) * 1994-07-29 1996-09-13 Commissariat Energie Atomique Procede d'obtention de poudres de fer ou a base d e fer par precipitation en phase liquide organique
US5759230A (en) * 1995-11-30 1998-06-02 The United States Of America As Represented By The Secretary Of The Navy Nanostructured metallic powders and films via an alcoholic solvent process

Also Published As

Publication number Publication date
WO2000035616A1 (en) 2000-06-22
IT1302926B1 (it) 2000-10-10
ITRM980776A1 (it) 2000-06-16
CZ20012180A3 (cs) 2002-03-13
EP1140397B1 (en) 2003-01-02
EP1140397A1 (en) 2001-10-10
AU1073800A (en) 2000-07-03
ATE230321T1 (de) 2003-01-15

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Legal Events

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