SU123678A1 - Glass for the manufacture of opaque crystallized products by two-step crystallization - Google Patents
Glass for the manufacture of opaque crystallized products by two-step crystallizationInfo
- Publication number
- SU123678A1 SU123678A1 SU601783A SU601783A SU123678A1 SU 123678 A1 SU123678 A1 SU 123678A1 SU 601783 A SU601783 A SU 601783A SU 601783 A SU601783 A SU 601783A SU 123678 A1 SU123678 A1 SU 123678A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- glass
- manufacture
- crystallized products
- step crystallization
- opaque
- Prior art date
Links
- 239000011521 glass Substances 0.000 title description 7
- 238000002425 crystallisation Methods 0.000 title description 3
- 230000008025 crystallization Effects 0.000 title description 3
- 238000004519 manufacturing process Methods 0.000 title description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 229910052731 fluorine Inorganic materials 0.000 description 4
- HTUMBQDCCIXGCV-UHFFFAOYSA-N lead oxide Chemical compound [O-2].[Pb+2] HTUMBQDCCIXGCV-UHFFFAOYSA-N 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 229910000464 lead oxide Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 229910011255 B2O3 Inorganic materials 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- -1 boria Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Landscapes
- Glass Compositions (AREA)
Description
Известны стекла на основе двуокиси кремни , окиси бора, окиси алюмини , окиси свинца и фтора, которые в результате двухстадииной термической обработке по заданному дл каждого из них режиму, кристаллизуютс и из прозрачного тела превращаютс в непрозрачное.Known glasses based on silica, boria, alumina, lead oxide and fluorine, which, as a result of a two-stage heat treatment according to the conditions set for each of them, crystallize and turn from opaque to opaque.
Особенностью таких стекол вл етс высокое сопротивление на изгиб (2000 кг/см) и высока температура разм гчени (1350)Предлагаемое стекло состоит из тех же компонентов, но вз тых в ином количестве, что значительно повышает упом нутые свойства полученного из него закристаллизованного материала.A characteristic feature of such glasses is high bending resistance (2000 kg / cm) and high softening temperature (1350). The offered glass consists of the same components, but taken in a different quantity, which significantly improves the aforementioned properties of the crystallized material obtained from it.
Состав стекла по весу следуюгций: SiO - 48-43%, АЬОз-22-27%, В2Оз-18-23%, РЬО -8-13%, F -2-6%.The glass composition by weight is as follows: SiO - 48-43%, ABOz-22-27%, B2Oz-18-23%, PHO -8-13%, F -2-6%.
Из сваренного стекла вышеприведенного состава вырабатывают издели прессовкой- выдуванием, литьем, или другими методами затем с целью создани центров кристаллизации выдерживают их при температуре около 800°, а потом подвергают термообработке при 1200° и выше с целью полной кристаллизации материала.From the welded glass of the above composition, products are produced by pressing-blowing, casting, or by other methods, then with the aim of creating crystallization centers, they are kept at a temperature of about 800 ° and then heat-treated at 1200 ° and above in order to fully crystallize the material.
Сопротивление на изгиб полученного закристаллизированного материала достигает 2500 кг/см, термостойкость- 1230°, температура разм гчени - выше 1400°.The bending resistance of the obtained crystallized material reaches 2500 kg / cm, the heat resistance is 1230 °, and the softening temperature is above 1400 °.
Предмет изобретени Subject invention
Стекло дл изготовлени путем двухстадииной кристаллизации непрозрачных закристаллизованных изделий, содержащее двуокись кремни , окись бора, окись алюмини , окись свинца и фтора, отличаю№ 123678 щеес тем. что, с целью повышени свойств, оно содержит по весу: Двуокись кремни Окись алюмини Окись бора Окись свинца Фтора его механических и термических SiO2 -48%- 43% АЬОз -22- 27% ВгОз - 18- 23% РЬО - 8- 13% F- 2- 6%Glass for the manufacture of two-stage crystallization of opaque crystallized products containing silicon dioxide, boric oxide, aluminum oxide, lead oxide and fluorine, distinguished by reference No. 123678. that, in order to improve the properties, it contains by weight: Silicon dioxide Alumina boric oxide Lead oxide Fluorine of its mechanical and thermal SiO2 -48% - 43% AHOz-22-27% BrhOz - 18-23% PbO - 8-13% F- 2-6%
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU601783A SU123678A1 (en) | 1958-06-13 | 1958-06-13 | Glass for the manufacture of opaque crystallized products by two-step crystallization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU601783A SU123678A1 (en) | 1958-06-13 | 1958-06-13 | Glass for the manufacture of opaque crystallized products by two-step crystallization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU123678A1 true SU123678A1 (en) | 1958-11-30 |
Family
ID=48395216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU601783A SU123678A1 (en) | 1958-06-13 | 1958-06-13 | Glass for the manufacture of opaque crystallized products by two-step crystallization |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU123678A1 (en) |
-
1958
- 1958-06-13 SU SU601783A patent/SU123678A1/en active
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