ATE378288T1 - Feines wolframcarbidpulver und verfahren zu dessen herstellung - Google Patents
Feines wolframcarbidpulver und verfahren zu dessen herstellungInfo
- 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
Links
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 2
- 230000001590 oxidative effect Effects 0.000 abstract 2
- 239000002245 particle Substances 0.000 abstract 2
- 239000000843 powder Substances 0.000 abstract 2
- 239000002243 precursor Substances 0.000 abstract 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 238000005255 carburizing Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 239000010937 tungsten Substances 0.000 abstract 1
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)
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) | CN1796029B (de) |
| AT (1) | ATE378288T1 (de) |
| DE (1) | DE60223463T2 (de) |
Families Citing this family (16)
| 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 |
| JP5424215B2 (ja) | 2009-01-07 | 2014-02-26 | 福岡県 | 金属炭化物微粒子の製造方法 |
| 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 |
| IL273260B2 (en) | 2017-09-14 | 2025-05-01 | Sumitomo Metal Mining Co | Photothermal conversion layer, donor sheet using photothermal conversion layer, and method for producing layer and sheet |
| 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 |
| US20250027189A1 (en) * | 2023-07-17 | 2025-01-23 | Kennametal Inc. | Solid solution tungsten carbide powders and applications thereof |
| CN120864505A (zh) * | 2025-09-10 | 2025-10-31 | 成都大光新材料有限公司 | 一种耐磨碳化钨粉末及其制备方法 |
Family Cites Families (19)
| 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 |
| WO1991007244A1 (en) | 1989-11-09 | 1991-05-30 | Procedyne Corp. | Spray conversion process for the production of nanophase composite powders |
| SU1727878A1 (ru) | 1990-02-14 | 1992-04-23 | Новочеркасский Политехнический Институт Им.Серго Орджоникидзе | Способ получени катализатора дл электрохимического окислени водорода |
| ES2075712T3 (es) | 1991-08-07 | 1995-10-01 | Univ Rutgers | Un proceso de reaccion carbo-termica para producir polvos de wc-co en nano-fase. |
| 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 |
-
2002
- 2002-02-08 CN CN2005101370740A patent/CN1796029B/zh not_active Expired - Lifetime
- 2002-02-08 CN CNB021077665A patent/CN1289392C/zh not_active Expired - Lifetime
- 2002-02-11 EP EP02002078A patent/EP1281670B1/de not_active Expired - Lifetime
- 2002-02-11 AT AT02002078T patent/ATE378288T1/de active
- 2002-02-11 US US10/068,856 patent/US6852304B2/en not_active Expired - Lifetime
- 2002-02-11 DE DE60223463T patent/DE60223463T2/de not_active Expired - Lifetime
-
2004
- 2004-08-03 US US10/909,334 patent/US7465432B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US6852304B2 (en) | 2005-02-08 |
| CN1400163A (zh) | 2003-03-05 |
| CN1289392C (zh) | 2006-12-13 |
| EP1281670B1 (de) | 2007-11-14 |
| US20030053947A1 (en) | 2003-03-20 |
| CN1796029A (zh) | 2006-07-05 |
| US7465432B2 (en) | 2008-12-16 |
| EP1281670A1 (de) | 2003-02-05 |
| DE60223463T2 (de) | 2008-09-18 |
| US20050005732A1 (en) | 2005-01-13 |
| CN1796029B (zh) | 2010-05-26 |
| DE60223463D1 (de) | 2007-12-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification |
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