IT1302926B1 - Procedimento per la produzione di polveri composite tungsteno-ramesinterizzabili. - Google Patents

Procedimento per la produzione di polveri composite tungsteno-ramesinterizzabili.

Info

Publication number
IT1302926B1
IT1302926B1 IT1998RM000776A ITRM980776A IT1302926B1 IT 1302926 B1 IT1302926 B1 IT 1302926B1 IT 1998RM000776 A IT1998RM000776 A IT 1998RM000776A IT RM980776 A ITRM980776 A IT RM980776A IT 1302926 B1 IT1302926 B1 IT 1302926B1
Authority
IT
Italy
Prior art keywords
tungsten
production
ramesinterizable
procedure
reduction
Prior art date
Application number
IT1998RM000776A
Other languages
English (en)
Inventor
Gualtiero Gusmano
Alessandra Bianco
Riccardo Polini
Original Assignee
Celsia S P A
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 S P A filed Critical Celsia S P A
Priority to IT1998RM000776A priority Critical patent/IT1302926B1/it
Priority to AT99954333T priority patent/ATE230321T1/de
Priority to PCT/IT1999/000321 priority patent/WO2000035616A1/en
Priority to CZ20012180A priority patent/CZ20012180A3/cs
Priority to DE69904757T priority patent/DE69904757D1/de
Priority to EP99954333A priority patent/EP1140397B1/en
Priority to AU10738/00A priority patent/AU1073800A/en
Publication of ITRM980776A1 publication Critical patent/ITRM980776A1/it
Application granted granted Critical
Publication of IT1302926B1 publication Critical patent/IT1302926B1/it

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)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
IT1998RM000776A 1998-12-16 1998-12-16 Procedimento per la produzione di polveri composite tungsteno-ramesinterizzabili. IT1302926B1 (it)

Priority Applications (7)

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.
AT99954333T ATE230321T1 (de) 1998-12-16 1999-10-12 Verfahren zur herstellung von sinterfähigen metallpulvern aus wolfram und kupfer
PCT/IT1999/000321 WO2000035616A1 (en) 1998-12-16 1999-10-12 Process for the production of tungsten-copper composite sinterable powders
CZ20012180A CZ20012180A3 (cs) 1998-12-16 1999-10-12 Způsob výroby wolframo-měděných kompozitních sintrovatelných práąků
DE69904757T DE69904757D1 (de) 1998-12-16 1999-10-12 Verfahren zur herstellung von sinterfähigen metallpulvern aus wolfram und kupfer
EP99954333A EP1140397B1 (en) 1998-12-16 1999-10-12 Process for the production of tungsten-copper composite sinterable powders
AU10738/00A AU1073800A (en) 1998-12-16 1999-10-12 Process for the production of tungsten-copper composite sinterable powders

Applications Claiming Priority (1)

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.

Publications (2)

Publication Number Publication Date
ITRM980776A1 ITRM980776A1 (it) 2000-06-16
IT1302926B1 true IT1302926B1 (it) 2000-10-10

Family

ID=11406255

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1998RM000776A IT1302926B1 (it) 1998-12-16 1998-12-16 Procedimento per la produzione di polveri composite tungsteno-ramesinterizzabili.

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
CN100402204C (zh) * 2003-01-21 2008-07-16 奥斯兰姆施尔凡尼亚公司 制备复合金属粉末的电化学置换-沉积方法
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
ITRM980776A1 (it) 2000-06-16
WO2000035616A1 (en) 2000-06-22
CZ20012180A3 (cs) 2002-03-13
EP1140397B1 (en) 2003-01-02
DE69904757D1 (de) 2003-02-06
AU1073800A (en) 2000-07-03
EP1140397A1 (en) 2001-10-10
ATE230321T1 (de) 2003-01-15

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Legal Events

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0001 Granted