SU417395A1 - - Google Patents
Info
- Publication number
- SU417395A1 SU417395A1 SU1791373A SU1791373A SU417395A1 SU 417395 A1 SU417395 A1 SU 417395A1 SU 1791373 A SU1791373 A SU 1791373A SU 1791373 A SU1791373 A SU 1791373A SU 417395 A1 SU417395 A1 SU 417395A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- heat
- mgo
- yttria
- products
- additionally contains
- Prior art date
Links
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Description
1one
Изобретение относитс к техиике изготовлени высокоогнеуиорного термостойкого материала на основе окиси иттри .The invention relates to the manufacture of a high-alumina yttria-based high-heat resistant material.
Известен высокоогнеупориый материал на основе окиси иттри .Known highly refractory material based on yttria.
Цель изобретени - повышение термостойкости .The purpose of the invention is to increase the heat resistance.
Достигаетс это тем, что материал дополнительно содержит MgO, при следующем cooTHOujeHHH указанных ко.мнонентов,This is achieved by the fact that the material additionally contains MgO, with the following cooTHOujeHHH of the specified components,
вес. %:weight. %:
УгОз CTO
75-85 MgO 75-85 MgO
4,3-7,1 AlaOs4.3-7.1 AlaOs
10,7-17,910.7-17.9
Возможно введение окислов магии и алюмини в виде благородной шпинели.The introduction of oxides of magic and aluminum in the form of a noble spinel is possible.
Пример. К 100 г о:киси иттри добавл ют 20 г магнезиально-глиноземистой шпинели.Example. To 100 g of: yttrium acid, add 20 g of magnesian alumina spinel.
Массу тщательно перемешивают. Издели прессуют при удельном давлении 1000 кГ/сми обжигают при 1750°С в течение 5 час в пламенной печи.The mass is thoroughly mixed. The products are pressed at a specific pressure of 1000 kg / media and calcined at 1750 ° C for 5 hours in a fiery furnace.
Издели из предлагаемого материала имеют высокую термостойкость:Products from the proposed material have a high temperature resistance:
1300°С -воздух (300 теплосмеп) 900°С -вода(200 теплосмен).1300 ° С -air (300 heat mix) 900 ° С -water (200 heat cycles).
Предмет изобретени Subject invention
Высокоогнеупорный aтepиaл па основе Y203, отличающийс тем, что, с целью повышени термостойкости, он дополнительно содержит MgO, AlgOs при следующем соотношении указанных компонентов, вес. %: У.ОЗ75-85Highly refractory athepaitum based on Y203, characterized in that, in order to improve heat resistance, it additionally contains MgO, AlgOs in the following ratio of these components, wt. %: U.OZ75-85
MgO4,3-7,1MgO4.3-7.1
АЬОз10,7-17,9ABOZ10,7-17,9
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1791373A SU417395A1 (en) | 1972-06-02 | 1972-06-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1791373A SU417395A1 (en) | 1972-06-02 | 1972-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU417395A1 true SU417395A1 (en) | 1974-02-28 |
Family
ID=20516244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1791373A SU417395A1 (en) | 1972-06-02 | 1972-06-02 |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU417395A1 (en) |
-
1972
- 1972-06-02 SU SU1791373A patent/SU417395A1/ru active
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