BR9002518A - Po de metal e processo para producao do mesmo,produto formado de metal de metalurgia em po e processo para producao do mesmo,e processo para reducao do teor de oxigenio de um po de metal - Google Patents

Po de metal e processo para producao do mesmo,produto formado de metal de metalurgia em po e processo para producao do mesmo,e processo para reducao do teor de oxigenio de um po de metal

Info

Publication number
BR9002518A
BR9002518A BR9002518A BR9002518A BR9002518A BR 9002518 A BR9002518 A BR 9002518A BR 9002518 A BR9002518 A BR 9002518A BR 9002518 A BR9002518 A BR 9002518A BR 9002518 A BR9002518 A BR 9002518A
Authority
BR
Brazil
Prior art keywords
metal powder
production
same
reducing
oxygen content
Prior art date
Application number
BR9002518A
Other languages
English (en)
Portuguese (pt)
Inventor
Prabhat Kumar
Original Assignee
Cabot 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 Cabot Corp filed Critical Cabot Corp
Publication of BR9002518A publication Critical patent/BR9002518A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/20—Obtaining niobium, tantalum or vanadium
    • C22B34/24—Obtaining niobium or tantalum
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
BR9002518A 1989-06-26 1990-05-29 Po de metal e processo para producao do mesmo,produto formado de metal de metalurgia em po e processo para producao do mesmo,e processo para reducao do teor de oxigenio de um po de metal BR9002518A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37161889A 1989-06-26 1989-06-26

Publications (1)

Publication Number Publication Date
BR9002518A true BR9002518A (pt) 1991-08-13

Family

ID=23464697

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9002518A BR9002518A (pt) 1989-06-26 1990-05-29 Po de metal e processo para producao do mesmo,produto formado de metal de metalurgia em po e processo para producao do mesmo,e processo para reducao do teor de oxigenio de um po de metal

Country Status (9)

Country Link
JP (1) JP2801370B2 (enrdf_load_stackoverflow)
AT (1) AT406349B (enrdf_load_stackoverflow)
AU (1) AU628578B2 (enrdf_load_stackoverflow)
BR (1) BR9002518A (enrdf_load_stackoverflow)
DE (1) DE4019305C2 (enrdf_load_stackoverflow)
ES (1) ES2020131A6 (enrdf_load_stackoverflow)
FR (1) FR2648826A1 (enrdf_load_stackoverflow)
GB (1) GB2233349B (enrdf_load_stackoverflow)
HK (1) HK6895A (enrdf_load_stackoverflow)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2894661B2 (ja) * 1992-08-20 1999-05-24 昭和キャボットスーパーメタル株式会社 タンタル材料及びその製造方法
EP1075884A3 (en) * 1996-11-07 2005-10-05 Cabot Corporation Niobium powders and niobium electrolytic capacitors
US5869196A (en) * 1996-12-20 1999-02-09 Composite Material Technology, Inc. Constrained filament electrolytic anode and process of fabrication
ES2171872T3 (es) * 1997-06-20 2002-09-16 Rolex Montres Espiral autocompensadora para oscilador mecanico de balancin-espiral para dispositivo de movimiento de relojeria y procedimiento de fabricacion de la espiral.
DE19831280A1 (de) * 1998-07-13 2000-01-20 Starck H C Gmbh Co Kg Verfahren zur Herstellung von Erdsäuremetallpulvern, insbesondere Niobpulvern
WO2000000661A1 (fr) * 1998-06-29 2000-01-06 Kabushiki Kaisha Toshiba Cible de vaporisation
BR0204587A (pt) * 2002-11-04 2004-06-29 Cbmm Sa Processo de produção de pó de nióbio e/ou de tântalo de elevada área superficial
US7067197B2 (en) * 2003-01-07 2006-06-27 Cabot Corporation Powder metallurgy sputtering targets and methods of producing same
CA2514118A1 (en) * 2003-01-31 2004-08-19 H.C. Starck, Inc. Refractory metal annealing bands
AU2006243447B2 (en) * 2005-05-05 2010-11-18 H.C. Starck Surface Technology and Ceramic Powders GmbH Method for coating a substrate surface and coated product
DE102006002342A1 (de) * 2006-01-18 2007-07-26 Kompetenzzentrum Neue Materialien Nordbayern Gmbh Werkzeug
DE102010002695A1 (de) 2010-03-09 2011-09-15 Robert Bosch Gmbh Verfahren zur Auswertung eines analogen Signals
CA3227568A1 (en) * 2018-03-05 2020-02-06 Global Advanced Metals Usa, Inc. Spherical tantalum powder, products containing the same, and methods of making the same
CN114192791B (zh) * 2021-12-15 2023-10-24 宁夏东方钽业股份有限公司 采用碱土金属还原氧化钽生产电容器用钽粉的方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB881997A (en) * 1958-06-13 1961-11-08 Nat Res Corp Production of tantalum powder
GB870930A (en) * 1958-08-07 1961-06-21 Union Carbide Corp Improvements in and relating to the production of columbium and tantalum
FR1471183A (fr) * 1965-12-31 1967-03-03 Kuhlmann Ets Procédé pour l'obtention de poudres métalliques ou composites par réduction directe des halogénures correspondants
CH515996A (de) * 1968-06-06 1971-11-30 Starck Hermann C Fa Verfahren zur Herstellung von hochreinem Niob und/oder Tantal
US3697255A (en) * 1970-11-17 1972-10-10 Western Electric Co Scrap tantalum reclamation process
US4062679A (en) * 1973-03-29 1977-12-13 Fansteel Inc. Embrittlement-resistant tantalum wire
JPS5731907B2 (enrdf_load_stackoverflow) * 1973-06-26 1982-07-07
US4141720A (en) * 1978-05-16 1979-02-27 Nrc, Inc. Tantalum powder reclaiming
DE3130392C2 (de) * 1981-07-31 1985-10-17 Hermann C. Starck Berlin, 1000 Berlin Verfahren zur Herstellung reiner agglomerierter Ventilmetallpulver für Elektrolytkondensatoren, deren Verwendung und Verfahren zur Herstellung von Sinteranoden
US4462845A (en) * 1982-02-17 1984-07-31 Scm Corporation Oxygen-free dispersion-strengthened copper and process for making same
US4508563A (en) * 1984-03-19 1985-04-02 Sprague Electric Company Reducing the oxygen content of tantalum
JPS61284501A (ja) * 1985-06-10 1986-12-15 Showa Kiyabotsuto Suupaa Metal Kk タンタル粉末の製造方法
JPS62103335A (ja) * 1985-10-30 1987-05-13 Toyo Soda Mfg Co Ltd 超高純度金属ニオブ
US4722826A (en) * 1986-09-15 1988-02-02 Inco Alloys International, Inc. Production of water atomized powder metallurgy products
AT386612B (de) * 1987-01-28 1988-09-26 Plansee Metallwerk Kriechfeste legierung aus hochschmelzendem metall und verfahren zu ihrer herstellung
US4722756A (en) * 1987-02-27 1988-02-02 Cabot Corp Method for deoxidizing tantalum material
US4740238A (en) * 1987-03-26 1988-04-26 Fansteel Inc. Platelet-containing tantalum powders
US4923531A (en) * 1988-09-23 1990-05-08 Rmi Company Deoxidation of titanium and similar metals using a deoxidant in a molten metal carrier

Also Published As

Publication number Publication date
GB2233349B (en) 1994-03-02
DE4019305A1 (de) 1991-01-10
GB2233349A (en) 1991-01-09
ATA135090A (de) 1999-09-15
FR2648826B1 (enrdf_load_stackoverflow) 1994-11-25
JPH0336229A (ja) 1991-02-15
JP2801370B2 (ja) 1998-09-21
AT406349B (de) 2000-04-25
AU5624790A (en) 1991-01-03
FR2648826A1 (fr) 1990-12-28
GB9010282D0 (en) 1990-06-27
ES2020131A6 (es) 1991-07-16
AU628578B2 (en) 1992-09-17
DE4019305C2 (de) 2002-04-25
HK6895A (en) 1995-01-27

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
HKFB Grant procedure suspended (deleted)
FF Decision: granting
FG9A Patent or certificate of addition granted
B21A Extinguishment of a patent or of a certificate of addition of invention: extinguishment - article 78, item i of industrial property law

Free format text: PATENTE EXTINTA EM 29/05/2010