GB942073A - Improvements relating to the production of hollow articles or components formed of or coated with silicon carbide - Google Patents
Improvements relating to the production of hollow articles or components formed of or coated with silicon carbideInfo
- Publication number
- GB942073A GB942073A GB42061/60A GB4206160A GB942073A GB 942073 A GB942073 A GB 942073A GB 42061/60 A GB42061/60 A GB 42061/60A GB 4206160 A GB4206160 A GB 4206160A GB 942073 A GB942073 A GB 942073A
- Authority
- GB
- United Kingdom
- Prior art keywords
- silicon carbide
- former
- tube
- pyrolysis
- hollow articles
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/02—Fuel elements
- G21C3/04—Constructional details
- G21C3/06—Casings; Jackets
-
- 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
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Silicon Compounds (AREA)
Abstract
Silicon carbide in the form of hollow articles or coatings is prepared by pyrolyzing methyltrichlorosilane at 900 DEG to 1800 DEG C. on a former which is kept in motion during the pyrolysis. In an example, a graphite former 1 is supported on wire coils 2 within a silica tube 3 which is slidable on supports 4 outside the coil 5 of a radio-frequency generator 6. A motor and reduction gear 7 effects the movement of the tube 3. Hydrogen gas under pressure in vessel 12 acts as a carrier for the methyltrichlorosilane in bubbler 16, but can by-pass through 17; the gases enter the tube 3 via a silica tube 11. The apparatus is flushed with dry hydrogen before and after the pyrolysis. The temperature of the former is raised to 1450 DEG C. After removal from the tube, some of the graphite of the former is removed by drilling and the remainder burned out of the silicon carbide by heating in air at 900 DEG C. The silicon carbide is in the cubic form. In addition to the linear motion, the former may be rotated during pyrolysis. Th silicon carbide may also be obtained as coatings on particles of fissile materials, e.g. uranium dioxide or uranium carbide, and a fluidized bed may be used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB42061/60A GB942073A (en) | 1960-12-07 | 1960-12-07 | Improvements relating to the production of hollow articles or components formed of or coated with silicon carbide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB42061/60A GB942073A (en) | 1960-12-07 | 1960-12-07 | Improvements relating to the production of hollow articles or components formed of or coated with silicon carbide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB942073A true GB942073A (en) | 1963-11-20 |
Family
ID=10422662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB42061/60A Expired GB942073A (en) | 1960-12-07 | 1960-12-07 | Improvements relating to the production of hollow articles or components formed of or coated with silicon carbide |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB942073A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2180555A (en) * | 1985-09-18 | 1987-04-01 | Atomic Energy Authority Uk | Silicon carbide casting mold |
-
1960
- 1960-12-07 GB GB42061/60A patent/GB942073A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2180555A (en) * | 1985-09-18 | 1987-04-01 | Atomic Energy Authority Uk | Silicon carbide casting mold |
| GB2180555B (en) * | 1985-09-18 | 1989-08-23 | Atomic Energy Authority Uk | Producing ceramic articles |
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