PT1343735E - Processo para a preparacao de carboneto de volframio - Google Patents

Processo para a preparacao de carboneto de volframio

Info

Publication number
PT1343735E
PT1343735E PT01271336T PT01271336T PT1343735E PT 1343735 E PT1343735 E PT 1343735E PT 01271336 T PT01271336 T PT 01271336T PT 01271336 T PT01271336 T PT 01271336T PT 1343735 E PT1343735 E PT 1343735E
Authority
PT
Portugal
Prior art keywords
sub
temperature
starting material
reaction gas
volframine
Prior art date
Application number
PT01271336T
Other languages
English (en)
Inventor
Jurgen Eckhart
Jurgen Leitner
Kurt Rabitsch
Original Assignee
Treibacher Ind Ag
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 Treibacher Ind Ag filed Critical Treibacher Ind Ag
Publication of PT1343735E publication Critical patent/PT1343735E/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
    • C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/77—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by unit-cell parameters, atom positions or structure diagrams
    • 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
    • C01P2006/10—Solid density
    • 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)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Powder Metallurgy (AREA)
  • Ceramic Products (AREA)
PT01271336T 2000-12-20 2001-12-20 Processo para a preparacao de carboneto de volframio PT1343735E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0211500A AT410939B (de) 2000-12-20 2000-12-20 Verfahren zur herstellung von wolframcarbid

Publications (1)

Publication Number Publication Date
PT1343735E true PT1343735E (pt) 2004-10-29

Family

ID=3689889

Family Applications (1)

Application Number Title Priority Date Filing Date
PT01271336T PT1343735E (pt) 2000-12-20 2001-12-20 Processo para a preparacao de carboneto de volframio

Country Status (13)

Country Link
US (2) US7108831B2 (pt)
EP (1) EP1343735B1 (pt)
JP (1) JP2004515445A (pt)
KR (1) KR100680925B1 (pt)
CN (1) CN1289391C (pt)
AT (1) AT410939B (pt)
AU (1) AU2002215683A1 (pt)
CA (1) CA2430863C (pt)
DE (1) DE50102498D1 (pt)
ES (1) ES2220669T3 (pt)
IL (1) IL156520A0 (pt)
PT (1) PT1343735E (pt)
WO (1) WO2002049986A1 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US9056799B2 (en) * 2010-11-24 2015-06-16 Kennametal Inc. Matrix powder system and composite materials and articles made therefrom
WO2015077457A1 (en) * 2013-11-21 2015-05-28 Kennametal Inc. Purification of tungsten carbide compositions
CN107522490A (zh) * 2016-06-20 2017-12-29 张家港市华舰五金工具有限公司 碳化钨陶瓷材料的制备方法
CN109928755B (zh) * 2019-03-15 2020-10-27 西安交通大学 一种碳化钨增强碳基复合材料及制备方法
CN109943739B (zh) * 2019-03-15 2021-02-19 华南理工大学 一种等离子体球磨制备超细晶WC-Co硬质合金的方法
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 (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU8655875A (en) * 1974-12-11 1977-05-19 United Technologies Corp Tungsten carbide
US4049380A (en) * 1975-05-29 1977-09-20 Teledyne Industries, Inc. Cemented carbides containing hexagonal molybdenum
JPH01115810A (ja) * 1987-10-29 1989-05-09 Mitsubishi Metal Corp 高純度立方晶炭化タングステン超微粉末の製造法
JPH0723208B2 (ja) * 1990-01-12 1995-03-15 東京タングステン株式会社 回転炉を用いたｗｃ粉の製造方法
JPH0497906A (ja) * 1990-08-15 1992-03-30 Hitachi Metals Ltd 超硬質粉末および超硬質焼結成形体
DE69206823T2 (de) * 1991-11-20 1996-05-23 Dow Chemical Co Niedrigtemperaturverfahren zur synthese von feinstkörnigem wolframcarbid
US5380688A (en) * 1993-08-09 1995-01-10 The Dow Chemical Company Method for making submicrometer carbides, submicrometer solid solution carbides, and the material resulting therefrom
JP3310138B2 (ja) * 1995-07-11 2002-07-29 ダイジ▲ェ▼ット工業株式会社 焼結硬質材
US5885372A (en) * 1996-10-02 1999-03-23 Nanodyne Incorporated Multi-step process to incorporate grain growth inhibitors in WC-Co composite
US5919428A (en) * 1996-12-05 1999-07-06 Nanodyne Incorporated Method of forming tungsten carbide particles
DE19852459A1 (de) 1998-11-13 2000-05-18 Starck H C Gmbh Co Kg Verfahren zur Herstellung von Wolframkarbiden durch Gasphasenkarburierung
AT3064U1 (de) * 1998-12-28 1999-09-27 Plansee Tizit Gmbh Gaskarburierungsverfahren zur herstellung von reinem wc-pulver
US6524366B1 (en) * 2000-09-22 2003-02-25 N.V. Union Miniere S.A. Method of forming nanograin tungsten carbide and recycling tungsten carbide

Also Published As

Publication number Publication date
IL156520A0 (en) 2004-01-04
JP2004515445A (ja) 2004-05-27
CA2430863C (en) 2008-01-22
WO2002049986A1 (de) 2002-06-27
US7108831B2 (en) 2006-09-19
ATA21152000A (de) 2003-01-15
KR20030061442A (ko) 2003-07-18
EP1343735A1 (de) 2003-09-17
KR100680925B1 (ko) 2007-02-08
CA2430863A1 (en) 2002-06-27
AT410939B (de) 2003-08-25
US20070036708A1 (en) 2007-02-15
EP1343735B1 (de) 2004-06-02
AU2002215683A1 (en) 2002-07-01
CN1289391C (zh) 2006-12-13
US20040109812A1 (en) 2004-06-10
DE50102498D1 (de) 2004-07-08
CN1481345A (zh) 2004-03-10
ES2220669T3 (es) 2004-12-16

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