GB1110903A - Glass ceramic articles - Google Patents
Glass ceramic articlesInfo
- Publication number
- GB1110903A GB1110903A GB367766A GB367766A GB1110903A GB 1110903 A GB1110903 A GB 1110903A GB 367766 A GB367766 A GB 367766A GB 367766 A GB367766 A GB 367766A GB 1110903 A GB1110903 A GB 1110903A
- Authority
- GB
- United Kingdom
- Prior art keywords
- hours
- heating
- glass
- sio2
- weight
- 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
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0054—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing PbO, SnO2, B2O3
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0009—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing silica as main constituent
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0018—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and monovalent metal oxide as main constituents
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/02—Surface treatment of glass, not in the form of fibres or filaments, by coating with glass
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
- C03C8/10—Frit compositions, i.e. in a powdered or comminuted form containing lead
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Glass Compositions (AREA)
Abstract
A glass article of enhanced strength is formed from a themally crystallized glass, composed, as to at least 95%, of, in parts by weight 45-57 SiO2, 29-38 Al2O3, 13-22 Na2O, and, as a percentage of the aforementioned constituents, 0.5-5 ZrO2 and 1-10 ZnO and/or MgO, coated with a glaze composed, as to at least 80% by weight, of 40-70 SiO2, 5-30 B2O3, 10-30 PbO, and 2-20 alkali metal oxides. The glass is prepared by heating the mixed ingredients at 1550 DEG C. for eight hours, shaping, heating at 800 DEG C. for two hours, raising the temperatures to 1100 DEG C. at 5 DEG C. per minute, and heating at this temperture for two hours. The glaze materials are heated at 1300-1400 DEG C. for 4-5 hours and the molten mass immersed in water to make a frit which is mixed with water and a peptizing agent, and ground, the resultant slip being painted on to the glass article, dried, and fired for two hours at 1100 DEG C. to leave a layer 0.1-0.2 mm. thick. Batch materials may include phosphates, borax and carbonates.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP806065 | 1965-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1110903A true GB1110903A (en) | 1968-04-24 |
Family
ID=11682778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB367766A Expired GB1110903A (en) | 1965-02-12 | 1966-01-27 | Glass ceramic articles |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE675652A (en) |
| GB (1) | GB1110903A (en) |
-
1966
- 1966-01-27 BE BE675652D patent/BE675652A/xx unknown
- 1966-01-27 GB GB367766A patent/GB1110903A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1596904A1 (en) | 1971-02-25 |
| BE675652A (en) | 1966-07-27 |
| DE1596904B2 (en) | 1976-02-12 |
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