GB786005A - Refractory bodies and method of making the same - Google Patents
Refractory bodies and method of making the sameInfo
- Publication number
- GB786005A GB786005A GB1545/56A GB154556A GB786005A GB 786005 A GB786005 A GB 786005A GB 1545/56 A GB1545/56 A GB 1545/56A GB 154556 A GB154556 A GB 154556A GB 786005 A GB786005 A GB 786005A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mould
- silicon
- mixture
- vibrating
- carbide
- 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
-
- 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
- C04B35/573—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 obtained by reaction sintering or recrystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Products (AREA)
Abstract
Refractory articles, e.g. brazing fixtures or parts used in handling molten metals, are formed by mixing silicon carbide with silicon or a silicon alloy and water, ageing the mixture, if a dense article is required, by allowing it to stand for several days, vibrating the mixture and then transferring it to a wet mould which is vibrated, drying the mixture in the mould, and then firing the cast shape either in or out of the mould in a non-oxidizing atmosphere containing nitrogenous or carbonaceous constituents depending on whether it is desired to form a silicon nitride or carbide bond. During filling of the mould, the container for the mixture, a filling shoot, and the mould may be placed on a vibrating table or a vibrating feeder may be used. The mould may be made of plaster, graphite, sand and walnut shells. The mixture may contain silicon carbide, ferromanganese silicon, silicon, bentonite, lithium citrate (a deflocculating agent), and dextrine (a temporary binder and deflocculating agent).ALSO:Refractory articles, e.g., brazing fixtures or parts used in handling molten metals, are formed by mixing silicon carbide with silicon or a silicon alloy and water, ageing the mixture, if a dense article is required, by allowing it to stand for several days, vibrating the mixture and then transferring it to a wet mould which is vibrated, drying the mixture in the mould, and then firing the cast shape either in or out of the mould in a non-oxidizing atmosphere containing nitrogeneous or carbonaceous constituents depending on whether it is desired to form a silicon nitride or carbide bond. During filling of the mould, the container for the mixture, a filling shoot, and the mould may be placed on a vibrating table or a vibrating feeder may be used. The mould may be made of plaster, graphite, sand, and walnut shells. The mixture may contain silicon carbide, ferromanganese silicon, silicon, bentonite, lithium citrate (a deflocculating agent), and dextrine (a temporary binder and deflocculating agent).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US786005XA | 1955-01-28 | 1955-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB786005A true GB786005A (en) | 1957-11-06 |
Family
ID=22145081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1545/56A Expired GB786005A (en) | 1955-01-28 | 1956-01-17 | Refractory bodies and method of making the same |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB786005A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1278922B (en) * | 1963-01-25 | 1968-09-26 | Koppers Gmbh Heinrich | Process for the production of refractory bricks from fine-grained silicon carbide, powdered metallic silicon and a binder |
| DE1696389B1 (en) * | 1961-03-13 | 1970-07-02 | Carborundum Co | Method of manufacturing refractory bodies |
-
1956
- 1956-01-17 GB GB1545/56A patent/GB786005A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1696389B1 (en) * | 1961-03-13 | 1970-07-02 | Carborundum Co | Method of manufacturing refractory bodies |
| DE1278922B (en) * | 1963-01-25 | 1968-09-26 | Koppers Gmbh Heinrich | Process for the production of refractory bricks from fine-grained silicon carbide, powdered metallic silicon and a binder |
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