ATE113568T1 - Verfahren zur herstellung von wolframmonokarbid. - Google Patents

Verfahren zur herstellung von wolframmonokarbid.

Info

Publication number: ATE113568T1
Authority: AT; Austria
Prior art keywords: tungsten; carbon; monokarbide; production; equant
Prior art date: 1989-01-23

Application number

AT90900550T

Other languages

English (en)

Inventor

Charles J Terry

Harold C Newman

Original Assignee

Kennametal Inc

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.)

1989-01-23

Filing date

1989-12-07

Publication date

1994-11-15

1989-12-07 Application filed by Kennametal Inc filed Critical Kennametal Inc

1994-11-15 Application granted granted Critical

1994-11-15 Publication of ATE113568T1 publication Critical patent/ATE113568T1/de

Links

WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title abstract 2
229910052721 tungsten Inorganic materials 0.000 title abstract 2
239000010937 tungsten Substances 0.000 title abstract 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 3
229910052799 carbon Inorganic materials 0.000 abstract 2
239000013078 crystal Substances 0.000 abstract 2
238000007792 addition Methods 0.000 abstract 1
229910001508 alkali metal halide Inorganic materials 0.000 abstract 1
150000008045 alkali metal halides Chemical class 0.000 abstract 1
229910002804 graphite Inorganic materials 0.000 abstract 1
239000010439 graphite Substances 0.000 abstract 1
OAXLZNWUNMCZSO-UHFFFAOYSA-N methanidylidynetungsten Chemical compound [W]#[C-] OAXLZNWUNMCZSO-UHFFFAOYSA-N 0.000 abstract 1
239000000203 mixture Substances 0.000 abstract 1
239000000376 reactant Substances 0.000 abstract 1
238000005245 sintering Methods 0.000 abstract 1
239000007787 solid Substances 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/5607—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on refractory metal carbides
- C04B35/5626—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on refractory metal carbides based on tungsten carbides
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/90—Carbides
- C01B32/914—Carbides of single elements
- C01B32/949—Tungsten or molybdenum carbides
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Inorganic Chemistry (AREA)
Ceramic Engineering (AREA)
Manufacturing & Machinery (AREA)
Materials Engineering (AREA)
Structural Engineering (AREA)
Carbon And Carbon Compounds (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Battery Electrode And Active Subsutance (AREA)
Manufacture And Refinement Of Metals (AREA)

AT90900550T 1989-01-23 1989-12-07 Verfahren zur herstellung von wolframmonokarbid. ATE113568T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US29929889A	1989-01-23	1989-01-23

Publications (1)

Publication Number	Publication Date
ATE113568T1 true ATE113568T1 (de)	1994-11-15

Family

ID=23154194

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT90900550T ATE113568T1 (de)	1989-01-23	1989-12-07	Verfahren zur herstellung von wolframmonokarbid.

Country Status (7)

Country	Link
EP (1)	EP0454688B1 (de)
JP (1)	JPH04503047A (de)
KR (1)	KR960012709B1 (de)
AT (1)	ATE113568T1 (de)
CA (1)	CA1332667C (de)
DE (2)	DE454688T1 (de)
WO (1)	WO1990008103A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5882620A (en) *	1995-06-07	1999-03-16	International Carbitech Industries, Inc.	Pyrometallurgical process for forming tungsten carbide
CN110669258B (zh) *	2019-10-08	2021-04-09	湖南大学	一种改性鳞片石墨粉末、树脂基炭刷及制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1255144A (en) *	1916-06-28	1918-02-05	John B Ekeley	Process of obtaining tungstates.
US3373097A (en) *	1965-02-16	1968-03-12	Interior Usa	Method for separation of a metalcontaining halide phase from a gangue-containing silicate phase and electrolysis of halide phase to obtain the metal
US3692479A (en) *	1968-09-10	1972-09-19	Geoffrey W Meadows	Preparation of binary borides,carbides and silicides
US3914113A (en) *	1970-09-11	1975-10-21	Quebec Iron & Titanium Corp	Titanium carbide preparation
US3743499A (en) *	1971-10-21	1973-07-03	Nordstjernan Rederi Ab	Method of enlarging the particle size of transition metal powder and carbides thereof
US4190439A (en) *	1973-12-28	1980-02-26	Union Carbide Corporation	Process for the preparation of fine grain metal carbide powders and sintered articles therefrom
US4256496A (en) *	1977-12-16	1981-03-17	Ontario Research Foundation	Production of metal carbides in pure form
US4402737A (en) *	1982-09-01	1983-09-06	Gte Products Corporation	Method of producing tungsten and tungsten carbide powder
US4489044A (en) *	1983-10-21	1984-12-18	The United States Of America As Represented By The Secretary Of The Interior	Formation of tungsten monocarbide from a molten tungstate-halide phase by gas sparging
USRE32612E (en) *	1983-10-21	1988-02-23	The United States Of America As Represented By The Secretary Of The Interior	Formation of tungsten monocarbide from a molten tungstate-halide phase by gas sparging
US4834963A (en) *	1986-12-16	1989-05-30	Kennametal Inc.	Macrocrystalline tungsten monocarbide powder and process for producing

1989
- 1989-09-28 CA CA000614253A patent/CA1332667C/en not_active Expired - Fee Related
- 1989-12-07 EP EP90900550A patent/EP0454688B1/de not_active Expired - Lifetime
- 1989-12-07 JP JP90500784A patent/JPH04503047A/ja active Pending
- 1989-12-07 WO PCT/US1989/005515 patent/WO1990008103A1/en not_active Ceased
- 1989-12-07 AT AT90900550T patent/ATE113568T1/de not_active IP Right Cessation
- 1989-12-07 KR KR1019900702086A patent/KR960012709B1/ko not_active Expired - Lifetime
- 1989-12-07 DE DE199090900550T patent/DE454688T1/de active Pending
- 1989-12-07 DE DE68919231T patent/DE68919231D1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0454688A1 (de)	1991-11-06
JPH04503047A (ja)	1992-06-04
DE454688T1 (de)	1992-02-27
DE68919231D1 (de)	1994-12-08
KR960012709B1 (ko)	1996-09-24
KR910700197A (ko)	1991-03-14
EP0454688A4 (en)	1992-08-19
EP0454688B1 (de)	1994-11-02
WO1990008103A1 (en)	1990-07-26
CA1332667C (en)	1994-10-25

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Legal Events

Date	Code	Title	Description
1995-05-15	RER	Ceased as to paragraph 5 lit. 3 law introducing patent treaties