CZ20011675A3 - Způsob výroby karbidů wolframu nauhličováním v plynné fázi - Google Patents

Způsob výroby karbidů wolframu nauhličováním v plynné fázi

Info

Publication number
CZ20011675A3
CZ20011675A3 CZ20011675A CZ20011675A CZ20011675A3 CZ 20011675 A3 CZ20011675 A3 CZ 20011675A3 CZ 20011675 A CZ20011675 A CZ 20011675A CZ 20011675 A CZ20011675 A CZ 20011675A CZ 20011675 A3 CZ20011675 A3 CZ 20011675A3
Authority
CZ
Czechia
Prior art keywords
sub
carburizing
gaseous phase
wolfram
carburetion
Prior art date
Application number
CZ20011675A
Other languages
English (en)
Other versions
CZ297760B6 (cs
Inventor
Gerhard Gille
Benno Gries
Jörg Bredthauer
Original Assignee
H. C. Starck Gmbh & Co. Kg
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 H. C. Starck Gmbh & Co. Kg filed Critical H. C. Starck Gmbh & Co. Kg
Publication of CZ20011675A3 publication Critical patent/CZ20011675A3/cs
Publication of CZ297760B6 publication Critical patent/CZ297760B6/cs

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/60—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using solids, e.g. powders, pastes
    • C23C8/62—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using solids, e.g. powders, pastes only one element being applied
    • C23C8/64—Carburising
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • 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
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • 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
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
    • 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)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Powder Metallurgy (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
CZ20011675A 1998-11-13 1999-11-03 Zpusob výroby karbidu wolframu nauhlicováním v plynné fázi CZ297760B6 (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19852459A DE19852459A1 (de) 1998-11-13 1998-11-13 Verfahren zur Herstellung von Wolframkarbiden durch Gasphasenkarburierung

Publications (2)

Publication Number Publication Date
CZ20011675A3 true CZ20011675A3 (cs) 2001-09-12
CZ297760B6 CZ297760B6 (cs) 2007-03-21

Family

ID=7887732

Family Applications (1)

Application Number Title Priority Date Filing Date
CZ20011675A CZ297760B6 (cs) 1998-11-13 1999-11-03 Zpusob výroby karbidu wolframu nauhlicováním v plynné fázi

Country Status (12)

Country Link
US (1) US7118635B1 (cs)
EP (1) EP1140698B1 (cs)
JP (1) JP3963649B2 (cs)
KR (1) KR100524338B1 (cs)
CN (1) CN1167615C (cs)
AT (1) ATE247601T1 (cs)
AU (1) AU1550600A (cs)
CA (1) CA2350576A1 (cs)
CZ (1) CZ297760B6 (cs)
DE (2) DE19852459A1 (cs)
IL (1) IL142608A (cs)
WO (1) WO2000029325A1 (cs)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT3064U1 (de) * 1998-12-28 1999-09-27 Plansee Tizit Gmbh Gaskarburierungsverfahren zur herstellung von reinem wc-pulver
KR100393524B1 (ko) * 2000-05-06 2003-08-06 국방과학연구소 텅스텐계 중합금의 표면개질 방법
AT410939B (de) * 2000-12-20 2003-08-25 Treibacher Ind Ag Verfahren zur herstellung von wolframcarbid
CN1796029B (zh) * 2001-07-30 2010-05-26 三菱麻铁里亚尔株式会社 微粒碳化钨粉末
KR100586852B1 (ko) * 2002-11-12 2006-06-07 학교법인 영남학원 산화텡스텐의 환원-탄화공정의 효율개선방법
US7625542B2 (en) * 2003-04-25 2009-12-01 Inframat Corporation Method for the production of metal carbides
DE10354543B3 (de) * 2003-11-21 2005-08-04 H.C. Starck Gmbh Dualphasenhartstoff, Verfahren zu seiner Herstellung und dessen Verwendung
CN1297476C (zh) * 2005-02-01 2007-01-31 北京科技大学 甲醇裂解制备纳米碳化钨粉的方法
CN100340481C (zh) * 2006-04-14 2007-10-03 北京科技大学 自蔓延高温合成纳米碳化钨粉末的方法
CN103738963B (zh) * 2009-11-16 2015-07-22 江西稀有稀土金属钨业集团有限公司 一种超细碳化钨粉末的制备方法
CN101863472B (zh) * 2010-06-25 2012-03-28 深圳市格林美高新技术股份有限公司 一种从废弃硬质合金回收碳化钨的方法
WO2015021177A1 (en) * 2013-08-06 2015-02-12 Massachusetts Institute Of Technology Production of non-sintered transition metal carbide nanoparticles
CN106637052B (zh) * 2016-12-15 2019-01-29 潜江新锐硬质合金工具有限公司 一种提高低碳硬质合金碳势的方法
CN108907218B (zh) * 2018-07-26 2021-11-19 江西理工大学 Co-co2混合气氛还原氧化钨制备超细钨粉的方法
CN113816380B (zh) * 2021-10-19 2023-03-24 赣州有色冶金研究所有限公司 一种氧化钨一步碳化制备超细碳化钨粉的方法
CN115285995B (zh) * 2022-07-15 2023-11-17 赣州华茂钨材料有限公司 一种碳化钨粉生产工艺

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1916340A1 (de) * 1969-03-29 1971-04-08 Licentia Gmbh Verfahren zur Herstellung eines Wolframcarbidkatalysators fuer Brennstoffzellen
AU8655875A (en) * 1974-12-11 1977-05-19 United Technologies Corp Tungsten carbide
DE2713308C2 (de) * 1977-03-25 1979-04-19 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur Herstellung eines Wolframcarbidkatalysators
GB8708604D0 (en) * 1987-04-10 1987-05-13 Grieveson P Making carbides of high-melting metals
US4851041A (en) * 1987-05-22 1989-07-25 Exxon Research And Engineering Company Multiphase composite particle
US5230729A (en) 1989-11-09 1993-07-27 Rutgers, The State University Of New Jersey Carbothermic reaction process for making nanophase WC-Co powders
KR100196244B1 (ko) * 1991-08-07 1999-06-15 루트거스, 더 스테이트 유니버시티 오브 뉴 저지 10-9상 wc-co 분말을 제조하기 위한 탄소열 반응법

Also Published As

Publication number Publication date
EP1140698B1 (de) 2003-08-20
IL142608A (en) 2004-06-20
CN1167615C (zh) 2004-09-22
KR100524338B1 (ko) 2005-10-28
JP3963649B2 (ja) 2007-08-22
DE19852459A1 (de) 2000-05-18
AU1550600A (en) 2000-06-05
CN1326424A (zh) 2001-12-12
CA2350576A1 (en) 2000-05-25
US7118635B1 (en) 2006-10-10
KR20010075702A (ko) 2001-08-09
EP1140698A1 (de) 2001-10-10
CZ297760B6 (cs) 2007-03-21
DE59906712D1 (de) 2003-09-25
WO2000029325A1 (de) 2000-05-25
ATE247601T1 (de) 2003-09-15
JP2002529360A (ja) 2002-09-10

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Legal Events

Date Code Title Description
MM4A Patent lapsed due to non-payment of fee

Effective date: 20121103