ATE378288T1 - Feines wolframcarbidpulver und verfahren zu dessen herstellung - Google Patents

Feines wolframcarbidpulver und verfahren zu dessen herstellung

Info

Publication number
ATE378288T1
ATE378288T1 AT02002078T AT02002078T ATE378288T1 AT E378288 T1 ATE378288 T1 AT E378288T1 AT 02002078 T AT02002078 T AT 02002078T AT 02002078 T AT02002078 T AT 02002078T AT E378288 T1 ATE378288 T1 AT E378288T1
Authority
AT
Austria
Prior art keywords
tungsten carbide
carbide powder
fine tungsten
precursor
mixing
Prior art date
Application number
AT02002078T
Other languages
English (en)
Inventor
Hiroshi Yaginuma
Susumu Morita
Original Assignee
Mitsubishi Materials Corp
Japan New Metals Co Ltd
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
Priority claimed from JP2001234333A external-priority patent/JP4023711B2/ja
Priority claimed from JP2002006948A external-priority patent/JP4027099B2/ja
Application filed by Mitsubishi Materials Corp, Japan New Metals Co Ltd filed Critical Mitsubishi Materials Corp
Application granted granted Critical
Publication of ATE378288T1 publication Critical patent/ATE378288T1/de

Links

Classifications

    • 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
    • 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
    • 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
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • 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)
  • Carbon And Carbon Compounds (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
AT02002078T 2001-07-30 2002-02-11 Feines wolframcarbidpulver und verfahren zu dessen herstellung ATE378288T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001228805 2001-07-30
JP2001234333A JP4023711B2 (ja) 2000-08-11 2001-08-02 粉砕工程を必要とすることなく高純度微粒炭化タングステン粉末を製造する方法
JP2002006948A JP4027099B2 (ja) 2002-01-16 2002-01-16 炭化タングステン基超硬合金製造用炭化タングステン基合金粉末

Publications (1)

Publication Number Publication Date
ATE378288T1 true ATE378288T1 (de) 2007-11-15

Family

ID=27347241

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02002078T ATE378288T1 (de) 2001-07-30 2002-02-11 Feines wolframcarbidpulver und verfahren zu dessen herstellung

Country Status (5)

Country Link
US (2) US6852304B2 (de)
EP (1) EP1281670B1 (de)
CN (2) CN1289392C (de)
AT (1) ATE378288T1 (de)
DE (1) DE60223463T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10354543B3 (de) * 2003-11-21 2005-08-04 H.C. Starck Gmbh Dualphasenhartstoff, Verfahren zu seiner Herstellung und dessen Verwendung
CN100441347C (zh) * 2005-08-25 2008-12-10 自贡硬质合金有限责任公司 仲钨酸铵直接还原生产高压坯强度钨粉的方法
US7615097B2 (en) * 2005-10-13 2009-11-10 Plasma Processes, Inc. Nano powders, components and coatings by plasma technique
WO2010079752A1 (ja) 2009-01-07 2010-07-15 福岡県 金属炭化物微粒子及びその製造方法
CN101525236B (zh) * 2009-04-17 2012-08-29 上海应用技术学院 碳化钨粉的制备方法
EP2246113A1 (de) * 2009-04-29 2010-11-03 Sandvik Intellectual Property AB Mahlverfahren für Pulvermischungen mit Cermit oder zementiertem Karbid
GB0919857D0 (en) * 2009-11-13 2009-12-30 Element Six Holding Gmbh Near-nano cemented carbides and process for production thereof
CN102198507B (zh) * 2011-05-16 2012-10-24 赣州虹飞钨钼材料有限公司 一种用于制作卤钨灯钨丝的钨条制备方法
IN2013CH04500A (de) 2013-10-04 2015-04-10 Kennametal India Ltd
US10940538B2 (en) * 2017-08-11 2021-03-09 Kennametal Inc. Grade powders and sintered cemented carbide compositions
CN111095047B (zh) 2017-09-14 2022-08-23 住友金属矿山株式会社 光热转换层、使用了该光热转换层的供体片以及它们的制造方法
CN112209446B (zh) * 2020-09-04 2023-05-23 崇义章源钨业股份有限公司 回收利用含Cr碳化钨废料的方法及其应用
CN115321537B (zh) * 2022-09-23 2023-12-15 西安稀有金属材料研究院有限公司 一种高分散粒度可控的纳米碳化钨粉的制备方法
CN115557501A (zh) * 2022-09-30 2023-01-03 株洲硬质合金集团有限公司 一种低温、低成本制备纳米wc粉体的方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5129520B2 (de) 1971-09-09 1976-08-26
JPS5424400B2 (de) * 1972-08-29 1979-08-21
JPS5092899A (de) 1973-12-21 1975-07-24
JPS5439840B2 (de) * 1974-03-28 1979-11-30
US4664899A (en) * 1983-06-15 1987-05-12 Gte Products Corporation Method of producing monotungsten carbide powder
JPS61124508A (ja) 1984-11-22 1986-06-12 Toshiba Corp 高純度タングステン超微粉末の製造方法
US5110565A (en) 1988-02-05 1992-05-05 The Dow Chemical Company Apparatus for producing uniform, fine ceramic powder
JP2834199B2 (ja) 1989-07-21 1998-12-09 触媒化成工業株式会社 タングステン超微粒子の製造方法
KR960002416B1 (ko) 1989-11-09 1996-02-17 프로시다 인코포레이션 나노상 복합 분말의 제조를 위한 분무변환 방법
SU1727878A1 (ru) 1990-02-14 1992-04-23 Новочеркасский Политехнический Институт Им.Серго Орджоникидзе Способ получени катализатора дл электрохимического окислени водорода
WO1993002962A1 (en) 1991-08-07 1993-02-18 Rutgers, The State University Of New Jersey CARBOTHERMIC REACTION PROCESS FOR MAKING NANOPHASE WC-Co POWDERS
DE4326483A1 (de) 1993-08-06 1995-02-09 Siemens Ag Abfall-Transporteinrichtung
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
SE502754C2 (sv) 1994-03-31 1995-12-18 Sandvik Ab Sätt att framställa belagt hårdämnespulver
US5885372A (en) 1996-10-02 1999-03-23 Nanodyne Incorporated Multi-step process to incorporate grain growth inhibitors in WC-Co composite
IT1286521B1 (it) 1996-12-04 1998-07-15 Engitec Spa Processo per rigenerare solfuro sodico dal solfato sodico che si forma nel trattamento del pastello di piombo delle batterie esauste
CA2221432A1 (en) 1996-12-05 1998-06-05 Li Wu Method of forming metal carbides and metal carbide composites
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

Also Published As

Publication number Publication date
EP1281670B1 (de) 2007-11-14
US7465432B2 (en) 2008-12-16
US6852304B2 (en) 2005-02-08
US20050005732A1 (en) 2005-01-13
CN1796029A (zh) 2006-07-05
CN1289392C (zh) 2006-12-13
EP1281670A1 (de) 2003-02-05
CN1400163A (zh) 2003-03-05
DE60223463T2 (de) 2008-09-18
DE60223463D1 (de) 2007-12-27
US20030053947A1 (en) 2003-03-20
CN1796029B (zh) 2010-05-26

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