BR9002518A - METAL POWDER AND PROCESS FOR THE PRODUCTION OF THE SAME, PRODUCT FORMED OF METALLURGY METAL POWDER AND PROCESS FOR THE PRODUCTION OF THE SAME, AND PROCESS FOR REDUCING THE OXYGEN CONTENT OF A METAL POWDER - Google Patents

METAL POWDER AND PROCESS FOR THE PRODUCTION OF THE SAME, PRODUCT FORMED OF METALLURGY METAL POWDER AND PROCESS FOR THE PRODUCTION OF THE SAME, AND PROCESS FOR REDUCING THE OXYGEN CONTENT OF A METAL POWDER

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
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/en

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 METAL POWDER AND PROCESS FOR THE PRODUCTION OF THE SAME, PRODUCT FORMED OF METALLURGY METAL POWDER AND PROCESS FOR THE PRODUCTION OF THE SAME, AND PROCESS FOR REDUCING THE OXYGEN CONTENT OF A METAL POWDER BR9002518A (en)

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 (en) 1991-08-13

Family

ID=23464697

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9002518A BR9002518A (en) 1989-06-26 1990-05-29 METAL POWDER AND PROCESS FOR THE PRODUCTION OF THE SAME, PRODUCT FORMED OF METALLURGY METAL POWDER AND PROCESS FOR THE PRODUCTION OF THE SAME, AND PROCESS FOR REDUCING THE OXYGEN CONTENT OF A METAL POWDER

Country Status (9)

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

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2894661B2 (en) * 1992-08-20 1999-05-24 昭和キャボットスーパーメタル株式会社 Tantalum material and method for producing the same
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
EP0886195B1 (en) * 1997-06-20 2002-02-13 Montres Rolex Sa Auto-compensating spring for mechanical oscillatory spiral spring of clockwork movement and method of manufacturing the same
DE19831280A1 (en) * 1998-07-13 2000-01-20 Starck H C Gmbh Co Kg Acidic earth metal, specifically tantalum or niobium, powder for use, e.g., in capacitor production is produced by two-stage reduction of the pentoxide using hydrogen as the first stage reducing agent for initial suboxide formation
EP1099777A1 (en) 1998-06-29 2001-05-16 Kabushiki Kaisha Toshiba Sputter target
BR0204587A (en) * 2002-11-04 2004-06-29 Cbmm Sa High Surface Area Niobium and / or Tantalum Powder Production Process
TWI341337B (en) * 2003-01-07 2011-05-01 Cabot Corp Powder metallurgy sputtering targets and methods of producing same
CN1744961A (en) * 2003-01-31 2006-03-08 H.C.施塔克公司 Refractory metal annealing bands
MX2007013600A (en) * 2005-05-05 2008-01-24 Starck H C Gmbh Method for coating a substrate surface and coated product.
DE102006002342A1 (en) * 2006-01-18 2007-07-26 Kompetenzzentrum Neue Materialien Nordbayern Gmbh Metal injection mold with injection channel and cold plug, used for magnesium-based melt, has specified composition avoiding undesired interactions
DE102010002695A1 (en) 2010-03-09 2011-09-15 Robert Bosch Gmbh Method for evaluating an analog signal

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 (en) * 1965-12-31 1967-03-03 Kuhlmann Ets Process for obtaining metallic or composite powders by direct reduction of the corresponding halides
CH515996A (en) * 1968-06-06 1971-11-30 Starck Hermann C Fa Process for the production of high-purity niobium and / or tantalum
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 (en) * 1973-06-26 1982-07-07
US4141720A (en) * 1978-05-16 1979-02-27 Nrc, Inc. Tantalum powder reclaiming
DE3130392C2 (en) * 1981-07-31 1985-10-17 Hermann C. Starck Berlin, 1000 Berlin Process for the production of pure agglomerated valve metal powder for electrolytic capacitors, their use and process for the production of sintered anodes
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 (en) * 1985-06-10 1986-12-15 Showa Kiyabotsuto Suupaa Metal Kk Production of tantalum powder
JPS62103335A (en) * 1985-10-30 1987-05-13 Toyo Soda Mfg Co Ltd Ultra-high-purity metallic niobium
US4722826A (en) * 1986-09-15 1988-02-02 Inco Alloys International, Inc. Production of water atomized powder metallurgy products
AT386612B (en) * 1987-01-28 1988-09-26 Plansee Metallwerk CRISP-RESISTANT ALLOY FROM MELTING-MELTING METAL AND METHOD FOR THEIR PRODUCTION
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
DE4019305C2 (en) 2002-04-25
HK6895A (en) 1995-01-27
AU628578B2 (en) 1992-09-17
JP2801370B2 (en) 1998-09-21
AT406349B (en) 2000-04-25
ES2020131A6 (en) 1991-07-16
JPH0336229A (en) 1991-02-15
GB9010282D0 (en) 1990-06-27
AU5624790A (en) 1991-01-03
FR2648826B1 (en) 1994-11-25
ATA135090A (en) 1999-09-15
DE4019305A1 (en) 1991-01-10
FR2648826A1 (en) 1990-12-28
GB2233349A (en) 1991-01-09
GB2233349B (en) 1994-03-02

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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