AU628578B2 - Powders and products of tantalum, niobium and their alloys - Google Patents

Powders and products of tantalum, niobium and their alloys

Info

Publication number: AU628578B2
Authority: AU; Australia
Prior art keywords: niobium; tantalum; alloys; powders; products
Prior art date: 1989-06-26
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.): Ceased

Application number

AU56247/90A

Other versions

AU5624790A (en

Inventor

Prabhat Kumar

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.)

Cabot Corp

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.)

1989-06-26

Filing date

1990-06-05

Publication date

1992-09-17

1990-06-05 Application filed by Cabot Corp filed Critical Cabot Corp

1991-01-03 Publication of AU5624790A publication Critical patent/AU5624790A/en

1992-09-17 Application granted granted Critical

1992-09-17 Publication of AU628578B2 publication Critical patent/AU628578B2/en

2010-06-05 Anticipated expiration legal-status Critical

Status Ceased legal-status Critical Current

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

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Manufacturing & Machinery (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Powder Metallurgy (AREA)

AU56247/90A 1989-06-26 1990-06-05 Powders and products of tantalum, niobium and their alloys Ceased AU628578B2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US37161889A	1989-06-26	1989-06-26
US371618		1989-06-26

Publications (2)

Publication Number	Publication Date
AU5624790A AU5624790A (en)	1991-01-03
AU628578B2 true AU628578B2 (en)	1992-09-17

Family

ID=23464697

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU56247/90A Ceased AU628578B2 (en)	1989-06-26	1990-06-05	Powders and products of tantalum, niobium and their alloys

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 (14)

* 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
DE69710445T2 (en) *	1997-06-20	2002-10-10	Manufacture Des Montres Rolex S.A., Biel/Bienne	Self-compensating coil spring for mechanical clockwork balance spring oscillators and process for their production
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
US7067197B2 (en) *	2003-01-07	2006-06-27	Cabot Corporation	Powder metallurgy sputtering targets and methods of producing same
WO2004069453A2 (en) *	2003-01-31	2004-08-19	H.C. Starck, Inc.	Refractory metal annealing bands
JP5065248B2 (en) *	2005-05-05	2012-10-31	ハー．ツェー．スタルクゲゼルシャフトミットベシュレンクテルハフツング	Coating method and coated product on substrate surface
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
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 (en) *	2021-12-15	2023-10-24	宁夏东方钽业股份有限公司	Method for producing tantalum powder for capacitor by adopting alkaline earth metal to reduce tantalum oxide

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1266065A (en) *	1968-06-06	1972-03-08
US3697255A (en) *	1970-11-17	1972-10-10	Western Electric Co	Scrap tantalum reclamation process

Family Cites Families (16)

* 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
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

1990
- 1990-03-29 ES ES9000898A patent/ES2020131A6/en not_active Expired - Lifetime
- 1990-05-08 GB GB9010282A patent/GB2233349B/en not_active Expired - Lifetime
- 1990-05-29 BR BR909002518A patent/BR9002518A/en not_active IP Right Cessation
- 1990-06-05 AU AU56247/90A patent/AU628578B2/en not_active Ceased
- 1990-06-16 DE DE4019305A patent/DE4019305C2/en not_active Expired - Lifetime
- 1990-06-25 AT AT0135090A patent/AT406349B/en not_active IP Right Cessation
- 1990-06-25 JP JP2164345A patent/JP2801370B2/en not_active Expired - Fee Related
- 1990-06-25 FR FR9007960A patent/FR2648826A1/en active Granted
1995
- 1995-01-19 HK HK6895A patent/HK6895A/en not_active IP Right Cessation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1266065A (en) *	1968-06-06	1972-03-08
US3697255A (en) *	1970-11-17	1972-10-10	Western Electric Co	Scrap tantalum reclamation process

Also Published As

Publication number	Publication date
FR2648826B1 (en)	1994-11-25
GB2233349A (en)	1991-01-09
JPH0336229A (en)	1991-02-15
GB9010282D0 (en)	1990-06-27
DE4019305A1 (en)	1991-01-10
AT406349B (en)	2000-04-25
BR9002518A (en)	1991-08-13
ATA135090A (en)	1999-09-15
AU5624790A (en)	1991-01-03
ES2020131A6 (en)	1991-07-16
DE4019305C2 (en)	2002-04-25
GB2233349B (en)	1994-03-02
JP2801370B2 (en)	1998-09-21
HK6895A (en)	1995-01-27
FR2648826A1 (en)	1990-12-28

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