DE68919231D1 - Verfahren zur herstellung von wolframmonokarbid. - Google Patents

Verfahren zur herstellung von wolframmonokarbid.

Info

Publication number
DE68919231D1
DE68919231D1 DE68919231T DE68919231T DE68919231D1 DE 68919231 D1 DE68919231 D1 DE 68919231D1 DE 68919231 T DE68919231 T DE 68919231T DE 68919231 T DE68919231 T DE 68919231T DE 68919231 D1 DE68919231 D1 DE 68919231D1
Authority
DE
Germany
Prior art keywords
carbon
tungstramonocarbide
producing
tungsten
equant
Prior art date
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.)
Expired - Lifetime
Application number
DE68919231T
Other languages
English (en)
Inventor
Charles Terry
Harold Newman
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.)
Kennametal Inc
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.)
Filing date
Publication date
Application filed by Kennametal Inc filed Critical Kennametal Inc
Application granted granted Critical
Publication of DE68919231D1 publication Critical patent/DE68919231D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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)
DE68919231T 1989-01-23 1989-12-07 Verfahren zur herstellung von wolframmonokarbid. Expired - Lifetime DE68919231D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29929889A 1989-01-23 1989-01-23
PCT/US1989/005515 WO1990008103A1 (en) 1989-01-23 1989-12-07 Process for producing tungsten monocarbide

Publications (1)

Publication Number Publication Date
DE68919231D1 true DE68919231D1 (de) 1994-12-08

Family

ID=23154194

Family Applications (2)

Application Number Title Priority Date Filing Date
DE68919231T Expired - Lifetime DE68919231D1 (de) 1989-01-23 1989-12-07 Verfahren zur herstellung von wolframmonokarbid.
DE199090900550T Pending DE454688T1 (de) 1989-01-23 1989-12-07 Verfahren zur herstellung von wolframmonokarbid.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE199090900550T Pending DE454688T1 (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) DE68919231D1 (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
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
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
US4834963A (en) * 1986-12-16 1989-05-30 Kennametal Inc. Macrocrystalline tungsten monocarbide powder and process for producing

Also Published As

Publication number Publication date
ATE113568T1 (de) 1994-11-15
KR910700197A (ko) 1991-03-14
DE454688T1 (de) 1992-02-27
JPH04503047A (ja) 1992-06-04
KR960012709B1 (ko) 1996-09-24
EP0454688B1 (de) 1994-11-02
EP0454688A4 (en) 1992-08-19
EP0454688A1 (de) 1991-11-06
WO1990008103A1 (en) 1990-07-26
CA1332667C (en) 1994-10-25

Similar Documents

Publication Publication Date Title
ATE192514T1 (de) Verfahren zur kohlenstofffibrillenherstellung
ATE20606T1 (de) Verfahren zur herstellung von verbundlegierungen auf aluminium- und borbasis, und ihre verwendung.
GB1506927A (en) Method of producing glass
KR880012726A (ko) 극강 연마제의 합성방법
ATE77073T1 (de) Polygranularer kohlenstoffkoerper und verfahren zu seiner herstellung.
ATE152650T1 (de) Verfahren zur herstellung von gusseisen mit vermikular graphit
DE3873520D1 (de) Graphitstrukturen und verfahren zu deren herstellung.
IT1092150B (it) Procedimento per la produzione di oggetti di carbonio o grafite con elevata solidita'
DE3460691D1 (en) Process for reacting a gas with a solid material
ATE26969T1 (de) Schlickergiessmasse zur herstellung von formkoerpern als aus siliciumcarbid.
GR3001859T3 (en) Pitch material form coal tar pitch, process for preparing it and its use
DE68919231D1 (de) Verfahren zur herstellung von wolframmonokarbid.
SE8405904D0 (sv) Verfahren zur herstellung von silicium aus rohstoff-quarz in einem elektroniederschachtofen
CA2159432A1 (en) Processes for Preparing Milled Graphite Fibers
Sun et al. Titanium carbonitrides in cast irons.(retroactive coverage)
EP0287751A3 (en) Novel crystalline cefadroxil and method for producing it
YU242887A (en) Process for producing mainly waterless crystalline cephadroxile
ATE225838T1 (de) Methode zur herstellung von kohleagglomeraten zur verwendung in einem reduzierenden ofen zum direkten schmelzen von eisen
ATE243777T1 (de) Verfahren zur herstellung von eisen mit kugelgraphit
Stiltz et al. Construction of a Double-Ellipsoid Mirror Furnace for Growth of Single Crystals
DE68903800D1 (de) Verfahren und vorrichtung zur herstellung von graphitflacken.
SU1413874A1 (ru) Способ получения поликристаллического материала на основе алмаза
Chernovol et al. Spheroidisation of Graphite in Cast Iron
Obukhova et al. Anisotropy of Microhardness and Structure of Single Crystals of Cd sub xMg sub 1 sub- sub xSe Grown from the Melt
Yavari et al. The Embrittlement of Metallic Glasses Based on Iron. Is It Due to Surface Crystallisation?

Legal Events

Date Code Title Description
8332 No legal effect for de