FR2272032A1 - Mfr. of submicronic beta silicon carbide powder in plasma jet - can be sintered without pressure to very high densities - Google Patents
Mfr. of submicronic beta silicon carbide powder in plasma jet - can be sintered without pressure to very high densitiesInfo
- Publication number
- FR2272032A1 FR2272032A1 FR7515692A FR7515692A FR2272032A1 FR 2272032 A1 FR2272032 A1 FR 2272032A1 FR 7515692 A FR7515692 A FR 7515692A FR 7515692 A FR7515692 A FR 7515692A FR 2272032 A1 FR2272032 A1 FR 2272032A1
- Authority
- FR
- France
- Prior art keywords
- sintered
- mfr
- silicon carbide
- pressure
- dispersion
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J12/00—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor
- B01J12/002—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor carried out in the plasma state
-
- 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
- C01B32/956—Silicon 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
- C01B32/956—Silicon carbide
- C01B32/963—Preparation from compounds containing silicon
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0894—Processes carried out in the presence of a plasma
-
- 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
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Carbon And Carbon Compounds (AREA)
- Ceramic Products (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US47130374A | 1974-05-20 | 1974-05-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2272032A1 true FR2272032A1 (en) | 1975-12-19 |
FR2272032B1 FR2272032B1 (fr) | 1977-04-15 |
Family
ID=23871083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7515692A Granted FR2272032A1 (en) | 1974-05-20 | 1975-05-20 | Mfr. of submicronic beta silicon carbide powder in plasma jet - can be sintered without pressure to very high densities |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS50160200A (fr) |
DE (1) | DE2518950A1 (fr) |
FR (1) | FR2272032A1 (fr) |
NL (1) | NL7505601A (fr) |
NO (1) | NO751762L (fr) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2399296A1 (fr) * | 1977-08-04 | 1979-03-02 | Nippon Crucible Co | Poudre de carbure de silicium actif contenant un composant bore et sa preparation |
WO1979000178A1 (fr) * | 1977-10-04 | 1979-04-05 | Carborundum Co | Procede et installation pour la fabrication de carbure de silicium de tres haute purete |
JPS56500008A (fr) * | 1978-12-21 | 1981-01-08 | ||
EP0039517A1 (fr) * | 1980-05-06 | 1981-11-11 | Kabushiki Kaisha Toshiba | Appareil pour le traitement de matériaux en poudre par l'application d'un plasma à micro-ondes |
US4847060A (en) * | 1985-04-04 | 1989-07-11 | Nippon Steel Corporation | Process for producing a boron-containing silicon carbide powder |
US4860015A (en) * | 1972-08-29 | 1989-08-22 | The United States Of America As Represented By The Secretary Of The Air Force | Delay line null command generator test set for sarcalm |
US5080879A (en) * | 1988-12-01 | 1992-01-14 | Alcan International Limited | Process for producing silicon carbide platelets and the platelets so produced |
US5173283A (en) * | 1990-10-01 | 1992-12-22 | Alcan International Limited | Platelets for producing silicon carbide platelets and the platelets so-produced |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4295890A (en) * | 1975-12-03 | 1981-10-20 | Ppg Industries, Inc. | Submicron beta silicon carbide powder and sintered articles of high density prepared therefrom |
US4529575A (en) * | 1982-08-27 | 1985-07-16 | Ibiden Kabushiki Kaisha | Process for producing ultrafine silicon carbide powder |
US5087592A (en) * | 1990-05-25 | 1992-02-11 | Alcan International Limited | Method of producing platelets of borides of refractory metals |
DE102008064642A1 (de) | 2008-09-30 | 2010-04-01 | Evonik Degussa Gmbh | Zusammensetzung oder Kit für ein Verfahren zur Herstellung von hochreinem Siliciumcarbid aus Kohlenhydraten und Siliciumoxid sowie darauf basierende Artikel |
-
1975
- 1975-04-29 DE DE19752518950 patent/DE2518950A1/de active Pending
- 1975-05-13 NL NL7505601A patent/NL7505601A/xx unknown
- 1975-05-16 NO NO751762A patent/NO751762L/no unknown
- 1975-05-20 JP JP50059325A patent/JPS50160200A/ja active Pending
- 1975-05-20 FR FR7515692A patent/FR2272032A1/fr active Granted
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4860015A (en) * | 1972-08-29 | 1989-08-22 | The United States Of America As Represented By The Secretary Of The Air Force | Delay line null command generator test set for sarcalm |
FR2399296A1 (fr) * | 1977-08-04 | 1979-03-02 | Nippon Crucible Co | Poudre de carbure de silicium actif contenant un composant bore et sa preparation |
WO1979000178A1 (fr) * | 1977-10-04 | 1979-04-05 | Carborundum Co | Procede et installation pour la fabrication de carbure de silicium de tres haute purete |
JPS56500008A (fr) * | 1978-12-21 | 1981-01-08 | ||
EP0039517A1 (fr) * | 1980-05-06 | 1981-11-11 | Kabushiki Kaisha Toshiba | Appareil pour le traitement de matériaux en poudre par l'application d'un plasma à micro-ondes |
US4423303A (en) * | 1980-05-06 | 1983-12-27 | Tokyo Shibaura Denki Kabushiki Kaisha | Apparatus for treating powdery materials utilizing microwave plasma |
US4847060A (en) * | 1985-04-04 | 1989-07-11 | Nippon Steel Corporation | Process for producing a boron-containing silicon carbide powder |
EP0434667A2 (fr) * | 1985-04-04 | 1991-06-26 | Nippon Steel Corporation | Procédés de production de particules et d'un corps fritté de carbure de silicium |
EP0434667A3 (en) * | 1985-04-04 | 1991-10-16 | Nippon Steel Corporation | Processes for producing silicon carbide particles and sinter |
US5080879A (en) * | 1988-12-01 | 1992-01-14 | Alcan International Limited | Process for producing silicon carbide platelets and the platelets so produced |
US5173283A (en) * | 1990-10-01 | 1992-12-22 | Alcan International Limited | Platelets for producing silicon carbide platelets and the platelets so-produced |
Also Published As
Publication number | Publication date |
---|---|
JPS50160200A (fr) | 1975-12-25 |
DE2518950A1 (de) | 1975-12-04 |
NL7505601A (nl) | 1975-11-24 |
FR2272032B1 (fr) | 1977-04-15 |
NO751762L (fr) | 1975-11-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |