SU441244A1 - Glass - Google Patents
GlassInfo
- Publication number
- SU441244A1 SU441244A1 SU1892544A SU1892544A SU441244A1 SU 441244 A1 SU441244 A1 SU 441244A1 SU 1892544 A SU1892544 A SU 1892544A SU 1892544 A SU1892544 A SU 1892544A SU 441244 A1 SU441244 A1 SU 441244A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- glass
- proposed
- composition
- fact
- content
- Prior art date
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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
- C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
Description
1one
Изобретение относитс к составам стекла, примен емого дл изготовлени стекл нных спаев и деталей датчиков различны.х приборов , работаюп1их в сильно агрессивных средах , концентрированных щелочных растворах в течение длительного времени.The invention relates to glass compositions used to make glass junctions and sensor parts of various devices, operating in highly corrosive environments, concentrated alkaline solutions for a long time.
Известно стекло, включающее SiO2, Na2O. ZrOa, AizOs, CaO -f MgO.Known glass, including SiO2, Na2O. ZrOa, AizOs, CaO -f MgO.
Цель изобретени - повышение коэффициента термического расширени при высокой химической устойчивости.The purpose of the invention is to increase the coefficient of thermal expansion with high chemical resistance.
Достигаетс это тем, что стекло содержит указанные компоненты в следующих количествах , вес. %:This is achieved by the fact that glass contains these components in the following amounts, wt. %:
SiOs50 -70SiOs50 -70
Na2O15 -35 ZrOa0,3-15,0Na2O15 -35 ZrOa0.3-15.0
АЬОз0,3- 5,0ABOS0.3-5.0
CaO + MgO0,3- 8,0CaO + MgO0.3- 8.0
и, кроме того,and besides,
SnO20,3-16,0.SnO20.3-16.0.
В табл. 1 приведены конкретные составы стекла, а в табл. 2 соответствующие им физико-химические и техиологические свойства.In tab. 1 shows the specific compositions of glass, and table. 2 corresponding to their physico-chemical and technological properties.
Повышеиие в предлагаемом стекле процептпого содержани Na2O до 15-35%, а также введение окиси кальци и окиси магни в количестве 0,3-8,0% и в количестве 0,3-5,0% обеспечивает повышение коэффициента термического расширени стекла до (120-150)10- 1/град. Это позвол ет успешно сваривать предлагаемое стекло с такими металлами, как ппкель и с такими сплавами, как легированные стали. Кроме того, склонность к кристаллизации такого стекла в процессе спекани и инертной среде значительно ниже по сравпенпю с известнымIncreasing the Na2O content in the proposed glass up to 15-35%, as well as the introduction of calcium oxide and magnesium oxide in an amount of 0.3-8.0% and in an amount of 0.3-5.0% provides an increase in the thermal expansion coefficient of the glass to ( 120-150) 10-1 / deg. This allows the proposed glass to be successfully welded with metals such as ppkel and alloys such as alloyed steels. In addition, the tendency for crystallization of such glass in the process of sintering and an inert medium is significantly lower in comparison with the known
составом. При этом высока химическа устойчивость предлагаемого стекла сохран етс на уровне состава стекла, вз того в качестве прототипа. Объ сн етс это тем, что при разработке нового оптимального состава стеклаcomposition. At the same time, the high chemical stability of the proposed glass is maintained at the level of the glass composition, taken as a prototype. This is explained by the fact that when developing a new optimal glass composition
была использована закономерность, установленна ранее. Она заключаетс в том, что в стеклах, содержащнх SnO2 и ZrO2 до 18%, химическа устойчивость в щелочных растворах не зависит от содержани щелочныхThe pattern established earlier was used. It consists in the fact that in glasses containing SnO2 and ZrO2 up to 18%, chemical stability in alkaline solutions does not depend on the content of alkaline
окислов. В данном случае химическа устойчивость остаетс высокой даже при значительном повышении содержани NajO (до 15-35 вес. %).oxides. In this case, the chemical stability remains high even with a significant increase in the NajO content (up to 15-35 wt.%).
Стекло предлагаемого состава имеет коэффициеит термического расшпренп в пределах (100-150) 10- 1/град. Щелочеустойчивость стекла по ГОСТ 9111-59 в 2 н. NaOH при кии чении в течение 3 час равна 7-The glass of the proposed composition has a coefficient of thermal dispersion in the range (100-150) 10-1 / deg. Alkali resistance of glass according to GOST 9111-59 in 2 n. NaOH for chenii within 3 hours is equal to 7-
20 МГ/ДМ-, т. е. поверхностный слой стекла в20 MG / DM-, i.e. the surface layer of glass in
Таблица 1Table 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1892544A SU441244A1 (en) | 1973-03-09 | 1973-03-09 | Glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1892544A SU441244A1 (en) | 1973-03-09 | 1973-03-09 | Glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU441244A1 true SU441244A1 (en) | 1974-08-30 |
Family
ID=20545181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1892544A SU441244A1 (en) | 1973-03-09 | 1973-03-09 | Glass |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU441244A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0405579A1 (en) * | 1989-06-30 | 1991-01-02 | Kirin Beer Kabushiki Kaisha | Glass bottles and glass compositions therefor |
-
1973
- 1973-03-09 SU SU1892544A patent/SU441244A1/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0405579A1 (en) * | 1989-06-30 | 1991-01-02 | Kirin Beer Kabushiki Kaisha | Glass bottles and glass compositions therefor |
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