GB618367A - Cementing together the surfaces of shaped carbon bodies - Google Patents
Cementing together the surfaces of shaped carbon bodiesInfo
- Publication number
- GB618367A GB618367A GB3189246A GB3189246A GB618367A GB 618367 A GB618367 A GB 618367A GB 3189246 A GB3189246 A GB 3189246A GB 3189246 A GB3189246 A GB 3189246A GB 618367 A GB618367 A GB 618367A
- Authority
- GB
- United Kingdom
- Prior art keywords
- glass
- carbon
- per cent
- carbon surfaces
- temperature
- 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
- C04B35/52—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 carbon, e.g. graphite
Abstract
A method of cementing together the surface of porous, shaped refractory carbon bodies comprises interposing between the carbon surfaces a thin layer of glass, the glass being capable of wetting the carbon surfaces when in the fused condition, and having a co-efficient of thermal expansion slightly less than that of the carbon surfaces to be united, heating the glass and adjacent carbon surfaces to a temperature of at least 600 DEG C. and at which the glass has a viscosity ranging from 103 to 106 poises, and subjecting the glass at that temperature to compression between the carbon surfaces to cause the fused glass to penetrate the pores of the carbon surfaces. The required temperature may be attained by heating the carbon bodies and intervening glass as a whole or by passing an electric current from one carbon surface to the other through the intervening glass layer. The glass employed may be one containing boric anhydride or phosphoric anhydride, e.g. one having substantially the composition SiO2 80 per cent, B2O3 12 per cent, Al2O3 3 per cent, Na2O 4.5 per cent. MgO, CaO and other oxides 0.5 per cent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3189246A GB618367A (en) | 1946-10-28 | 1946-10-28 | Cementing together the surfaces of shaped carbon bodies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3189246A GB618367A (en) | 1946-10-28 | 1946-10-28 | Cementing together the surfaces of shaped carbon bodies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB618367A true GB618367A (en) | 1949-02-21 |
Family
ID=10329953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3189246A Expired GB618367A (en) | 1946-10-28 | 1946-10-28 | Cementing together the surfaces of shaped carbon bodies |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB618367A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3429759A (en) * | 1963-06-17 | 1969-02-25 | Union Carbide Corp | High temperature cement |
-
1946
- 1946-10-28 GB GB3189246A patent/GB618367A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3429759A (en) * | 1963-06-17 | 1969-02-25 | Union Carbide Corp | High temperature cement |
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