ZA9710701B - Method of forming tungsten carbide particles. - Google Patents
Method of forming tungsten carbide particles.Info
- Publication number
- ZA9710701B ZA9710701B ZA9710701A ZA9710701A ZA9710701B ZA 9710701 B ZA9710701 B ZA 9710701B ZA 9710701 A ZA9710701 A ZA 9710701A ZA 9710701 A ZA9710701 A ZA 9710701A ZA 9710701 B ZA9710701 B ZA 9710701B
- Authority
- ZA
- South Africa
- Prior art keywords
- carburization
- controlled
- tungsten carbide
- reduction
- carbide particles
- Prior art date
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
-
- 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
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/88—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by thermal analysis data, e.g. TGA, DTA, DSC
-
- 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
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
- C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
- C22C1/053—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds
- C22C1/056—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds using gas
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/70—Nanostructure
- Y10S977/773—Nanoparticle, i.e. structure having three dimensions of 100 nm or less
- Y10S977/775—Nanosized powder or flake, e.g. nanosized catalyst
- Y10S977/776—Ceramic powder or flake
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Carbon And Carbon Compounds (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/759,234 US5919428A (en) | 1996-12-05 | 1996-12-05 | Method of forming tungsten carbide particles |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA9710701B true ZA9710701B (en) | 1998-06-12 |
Family
ID=25054896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA9710701A ZA9710701B (en) | 1996-12-05 | 1997-11-27 | Method of forming tungsten carbide particles. |
Country Status (8)
Country | Link |
---|---|
US (1) | US5919428A (ja) |
EP (1) | EP0846659B1 (ja) |
JP (1) | JPH10194717A (ja) |
KR (1) | KR100501114B1 (ja) |
AT (1) | ATE218509T1 (ja) |
CA (1) | CA2222054A1 (ja) |
DE (1) | DE69713034T2 (ja) |
ZA (1) | ZA9710701B (ja) |
Families Citing this family (19)
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 |
US6723387B1 (en) | 1999-08-16 | 2004-04-20 | Rutgers University | Multimodal structured hardcoatings made from micro-nanocomposite materials |
US20020009411A1 (en) * | 2000-02-08 | 2002-01-24 | Zucker Gordon L. | Method for producing tungsten carbide |
KR100359643B1 (ko) * | 2000-09-21 | 2002-11-04 | 박영효 | 습식 혼합에 의한 초미립 탄화텅스텐분말 제조방법 |
US6524366B1 (en) | 2000-09-22 | 2003-02-25 | N.V. Union Miniere S.A. | Method of forming nanograin tungsten carbide and recycling tungsten carbide |
US6696184B1 (en) * | 2000-09-29 | 2004-02-24 | Osram Sylvania Inc. | Supported tungsten carbide material |
US6634837B1 (en) | 2000-10-30 | 2003-10-21 | Cerbide Corporation | Ceramic cutting insert of polycrystalline tungsten carbide |
US6513728B1 (en) | 2000-11-13 | 2003-02-04 | Concept Alloys, L.L.C. | Thermal spray apparatus and method having a wire electrode with core of multiplex composite powder its method of manufacture and use |
US6674047B1 (en) | 2000-11-13 | 2004-01-06 | Concept Alloys, L.L.C. | Wire electrode with core of multiplex composite powder, its method of manufacture and use |
US6428596B1 (en) | 2000-11-13 | 2002-08-06 | Concept Alloys, L.L.C. | Multiplex composite powder used in a core for thermal spraying and welding, its method of manufacture and use |
AT410939B (de) * | 2000-12-20 | 2003-08-25 | Treibacher Ind Ag | Verfahren zur herstellung von wolframcarbid |
US20020172641A1 (en) | 2001-03-26 | 2002-11-21 | N.V. Union Miniere S.A. | Method of using molybdenum carbide catalyst |
US6843824B2 (en) | 2001-11-06 | 2005-01-18 | Cerbide | Method of making a ceramic body of densified tungsten carbide |
KR100494976B1 (ko) * | 2002-08-29 | 2005-06-13 | 한국기계연구원 | 상압 기상반응법에 의한 나노 wc계 분말의 제조방법 |
KR100586852B1 (ko) * | 2002-11-12 | 2006-06-07 | 학교법인 영남학원 | 산화텡스텐의 환원-탄화공정의 효율개선방법 |
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 |
JP5424215B2 (ja) | 2009-01-07 | 2014-02-26 | 福岡県 | 金属炭化物微粒子の製造方法 |
JP6953157B2 (ja) * | 2017-03-28 | 2021-10-27 | 日本新金属株式会社 | 微粒炭化タングステン粉末 |
CN107585768B (zh) * | 2017-10-24 | 2020-07-28 | 株洲硬质合金集团有限公司 | 一种氧化-还原法制备超细碳化钨粉末的方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE290859C (ja) * | 1913-12-10 | |||
US3077385A (en) * | 1959-01-06 | 1963-02-12 | Gen Electric | Process for producing carbides |
US3471284A (en) * | 1967-08-07 | 1969-10-07 | Gen Electric | Direct production of metal carbides and metals from ores |
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 |
DE2713308C2 (de) * | 1977-03-25 | 1979-04-19 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zur Herstellung eines Wolframcarbidkatalysators |
JPS54117627A (en) * | 1978-03-06 | 1979-09-12 | Sony Corp | Video signal reproducing device |
JPS57191216A (en) * | 1981-05-22 | 1982-11-25 | Hitachi Metals Ltd | Preparation of nonoxide powder |
US4664899A (en) * | 1983-06-15 | 1987-05-12 | Gte Products Corporation | Method of producing monotungsten carbide powder |
GB8708604D0 (en) * | 1987-04-10 | 1987-05-13 | Grieveson P | Making carbides of high-melting metals |
DD290859A5 (de) * | 1988-11-11 | 1991-06-13 | Tu Dresden,De | Verfahren zur herstellung von elektrokatalytisch aktiven wolframcarbid |
JP3390834B2 (ja) * | 1991-11-20 | 2003-03-31 | オーエムジー・アメリカズ・インコーポレーテツド | 微粒状炭化タングステンの低温合成方法 |
-
1996
- 1996-12-05 US US08/759,234 patent/US5919428A/en not_active Expired - Fee Related
-
1997
- 1997-11-25 CA CA002222054A patent/CA2222054A1/en not_active Abandoned
- 1997-11-27 ZA ZA9710701A patent/ZA9710701B/xx unknown
- 1997-11-28 AT AT97309635T patent/ATE218509T1/de not_active IP Right Cessation
- 1997-11-28 EP EP97309635A patent/EP0846659B1/en not_active Expired - Lifetime
- 1997-11-28 DE DE69713034T patent/DE69713034T2/de not_active Expired - Fee Related
- 1997-12-04 KR KR1019970065817A patent/KR100501114B1/ko not_active IP Right Cessation
- 1997-12-05 JP JP9335807A patent/JPH10194717A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
KR100501114B1 (ko) | 2005-10-21 |
JPH10194717A (ja) | 1998-07-28 |
EP0846659A1 (en) | 1998-06-10 |
US5919428A (en) | 1999-07-06 |
KR19980063766A (ko) | 1998-10-07 |
DE69713034D1 (de) | 2002-07-11 |
DE69713034T2 (de) | 2003-01-30 |
CA2222054A1 (en) | 1998-06-05 |
EP0846659B1 (en) | 2002-06-05 |
ATE218509T1 (de) | 2002-06-15 |
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