ATA191296A - Verfahren zur herstellung von pulver-pressansätzen für feinkörniges hartmetall - Google Patents
Verfahren zur herstellung von pulver-pressansätzen für feinkörniges hartmetallInfo
- Publication number
- ATA191296A ATA191296A AT0191296A AT191296A ATA191296A AT A191296 A ATA191296 A AT A191296A AT 0191296 A AT0191296 A AT 0191296A AT 191296 A AT191296 A AT 191296A AT A191296 A ATA191296 A AT A191296A
- Authority
- AT
- Austria
- Prior art keywords
- powder
- reaction
- inlet
- fine
- chemical
- Prior art date
Links
Classifications
-
- 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
- C22C1/057—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 phases other than hard compounds by solid state reaction sintering, e.g. metal phase formed by reduction reaction
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Powder Metallurgy (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0191296A AT404912B (de) | 1996-11-04 | 1996-11-04 | Verfahren zur herstellung von pulver-pressansätzen für feinkörniges hartmetall |
| EP97203354A EP0839920B1 (de) | 1996-11-04 | 1997-10-29 | Verfahren zur Herstellung von Pulvervormaterial für feinkörniges Hartmetall |
| JP9312835A JPH10140216A (ja) | 1996-11-04 | 1997-10-29 | 炭化金属をベースとする微粒状超硬合金用粉末圧縮成分の製造方法 |
| DE59709001T DE59709001D1 (de) | 1996-11-04 | 1997-10-29 | Verfahren zur Herstellung von Pulvervormaterial für feinkörniges Hartmetall |
| ES97203354T ES2186840T3 (es) | 1996-11-04 | 1997-10-29 | Procedimiento para la fabricacion de preparados de polvo de moldear para metal duro de granulacion fina. |
| AT97203354T ATE230038T1 (de) | 1996-11-04 | 1997-10-29 | Verfahren zur herstellung von pulvervormaterial für feinkörniges hartmetall |
| US08/962,102 US6113668A (en) | 1996-11-04 | 1997-10-31 | Process for manufacture of powder compact feed materials for fine grained hardmetal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0191296A AT404912B (de) | 1996-11-04 | 1996-11-04 | Verfahren zur herstellung von pulver-pressansätzen für feinkörniges hartmetall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA191296A true ATA191296A (de) | 1998-08-15 |
| AT404912B AT404912B (de) | 1999-03-25 |
Family
ID=3523714
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT0191296A AT404912B (de) | 1996-11-04 | 1996-11-04 | Verfahren zur herstellung von pulver-pressansätzen für feinkörniges hartmetall |
| AT97203354T ATE230038T1 (de) | 1996-11-04 | 1997-10-29 | Verfahren zur herstellung von pulvervormaterial für feinkörniges hartmetall |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT97203354T ATE230038T1 (de) | 1996-11-04 | 1997-10-29 | Verfahren zur herstellung von pulvervormaterial für feinkörniges hartmetall |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6113668A (de) |
| EP (1) | EP0839920B1 (de) |
| JP (1) | JPH10140216A (de) |
| AT (2) | AT404912B (de) |
| DE (1) | DE59709001D1 (de) |
| ES (1) | ES2186840T3 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6843824B2 (en) * | 2001-11-06 | 2005-01-18 | Cerbide | Method of making a ceramic body of densified tungsten carbide |
| JP4619907B2 (ja) * | 2005-09-20 | 2011-01-26 | 中外炉工業株式会社 | 粉体製造装置 |
| US20130209308A1 (en) * | 2012-02-15 | 2013-08-15 | Baker Hughes Incorporated | Method of making a metallic powder and powder compact and powder and powder compact made thereby |
| JP2013222497A (ja) * | 2012-04-12 | 2013-10-28 | Toshiba Corp | 真空バルブ用接点材料 |
| CN112390261A (zh) * | 2019-08-13 | 2021-02-23 | 斯特里特技术有限公司 | 气相二氧化硅颗粒分离脱氢的系统和方法 |
| CN114853021B (zh) * | 2022-05-23 | 2024-08-23 | 赣州海盛钨业股份有限公司 | 纳米碳化钨粉末及其制备方法 |
Family Cites Families (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD48191A (de) * | ||||
| FR844368A (fr) * | 1937-10-06 | 1939-07-24 | Méthodes et appareils pour l'amélioration ou la transformation des minerais en métal | |
| FR941412A (fr) * | 1945-06-27 | 1949-01-11 | Pluro Inc | Réduction des oxydes métalliques |
| US2987392A (en) * | 1960-02-02 | 1961-06-06 | Lester D Supiro | Method of rapidly producing metallic powders of high purity |
| BE644277A (de) * | 1963-02-27 | |||
| GB1306617A (en) * | 1970-05-08 | 1973-02-14 | Carmet Co | Production of tungsten and tungsten carbide powder |
| DE2716082C2 (de) * | 1977-04-12 | 1985-09-05 | Deutsche Babcock Ag, 4200 Oberhausen | Verfahren zur thermischen Behandlung von Feststoffen |
| US4402737A (en) * | 1982-09-01 | 1983-09-06 | Gte Products Corporation | Method of producing tungsten and tungsten carbide powder |
| JPS59113104A (ja) * | 1982-12-20 | 1984-06-29 | Toshiba Corp | モリブデン粉末の製造方法 |
| FI78125C (fi) * | 1983-11-14 | 1989-06-12 | Vni Gorno Metall I Tsvet Met | Foerfarande foer behandling av jaernhaltiga koppar- eller koppar/zinksulfidkoncentrat. |
| EP0197271B1 (de) * | 1985-03-04 | 1989-04-19 | Kabushiki Kaisha Toshiba | Verfahren zur Herstellung hochreiner Molybdän- oder Wolframpulver in Form ihrer Metalle oder Oxide |
| JPS6345310A (ja) * | 1986-08-12 | 1988-02-26 | Tokyo Tungsten Co Ltd | モリブデン粉末及びその製造方法 |
| DD286312A5 (de) * | 1987-07-16 | 1991-01-24 | Kombinat Veb Narva "Rosa Luxemburg",De | Verfahren zur herstellung von wolframfeinstpulver |
| US5110565A (en) * | 1988-02-05 | 1992-05-05 | The Dow Chemical Company | Apparatus for producing uniform, fine ceramic powder |
| US4859236A (en) * | 1988-04-25 | 1989-08-22 | Gte Products Corporation | Process for producing molybdenum-ruthenium metal powder |
| US5201940A (en) * | 1989-06-02 | 1993-04-13 | Cra Services Limited | Pre-heating and pre-reduction of a metal oxide |
| CA2045125A1 (en) * | 1989-11-09 | 1991-05-10 | Larry E. Mccandlish | Spray conversion process for the production of nanophase composite powders |
| US5073193A (en) * | 1990-06-26 | 1991-12-17 | The University Of British Columbia | Method of collecting plasma synthesize ceramic powders |
| US5125965A (en) * | 1990-08-22 | 1992-06-30 | Cyprus Minerals Company | Method for maintaining fluidization in a fluidized bed reactor |
| US5125964A (en) * | 1990-09-10 | 1992-06-30 | General Electric Company | Fluidized bed process for preparing tungsten powder |
| US5482532A (en) * | 1991-06-05 | 1996-01-09 | Kubota Corporation | Method of and apparatus for producing metal powder |
| KR100196244B1 (ko) * | 1991-08-07 | 1999-06-15 | 루트거스, 더 스테이트 유니버시티 오브 뉴 저지 | 10-9상 wc-co 분말을 제조하기 위한 탄소열 반응법 |
| DE4214723C2 (de) * | 1992-05-04 | 1994-08-25 | Starck H C Gmbh Co Kg | Feinteilige Metallpulver |
| 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 |
| SE502930C2 (sv) * | 1994-07-21 | 1996-02-26 | Sandvik Ab | Metod för tillverkning av pulver av hårdmaterial av WC och Co och/eller Ni |
| AT403775B (de) * | 1995-10-31 | 1998-05-25 | Plansee Ag | Verfahren zur reduktion von metallverbindungen |
| US5746803A (en) * | 1996-06-04 | 1998-05-05 | The Dow Chemical Company | Metallic-carbide group VIII metal powder and preparation methods thereof |
-
1996
- 1996-11-04 AT AT0191296A patent/AT404912B/de not_active IP Right Cessation
-
1997
- 1997-10-29 ES ES97203354T patent/ES2186840T3/es not_active Expired - Lifetime
- 1997-10-29 AT AT97203354T patent/ATE230038T1/de not_active IP Right Cessation
- 1997-10-29 JP JP9312835A patent/JPH10140216A/ja active Pending
- 1997-10-29 EP EP97203354A patent/EP0839920B1/de not_active Expired - Lifetime
- 1997-10-29 DE DE59709001T patent/DE59709001D1/de not_active Expired - Fee Related
- 1997-10-31 US US08/962,102 patent/US6113668A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0839920A2 (de) | 1998-05-06 |
| ES2186840T3 (es) | 2003-05-16 |
| ATE230038T1 (de) | 2003-01-15 |
| DE59709001D1 (de) | 2003-01-30 |
| JPH10140216A (ja) | 1998-05-26 |
| AT404912B (de) | 1999-03-25 |
| US6113668A (en) | 2000-09-05 |
| EP0839920A3 (de) | 2000-03-29 |
| EP0839920B1 (de) | 2002-12-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties | ||
| ELJ | Ceased due to non-payment of the annual fee |