SU138519A1 - The method of stabilization of zirconium dioxide - Google Patents
The method of stabilization of zirconium dioxideInfo
- Publication number
- SU138519A1 SU138519A1 SU655578A SU655578A SU138519A1 SU 138519 A1 SU138519 A1 SU 138519A1 SU 655578 A SU655578 A SU 655578A SU 655578 A SU655578 A SU 655578A SU 138519 A1 SU138519 A1 SU 138519A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- stabilization
- zirconium dioxide
- calcium
- products
- zirconate
- Prior art date
Links
Landscapes
- Compositions Of Oxide Ceramics (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Description
Известно применение дл стабилизации двуокиси циркони окисью кальци . Также известно, что в качестве промежуточного продукта при стабилизации двуокиси циркони окисью кальци образуетс цирконат кальци .It is known to use calcium oxide to stabilize zirconium dioxide. It is also known that calcium zirconate is formed as an intermediate in the stabilization of zirconia with calcium oxide.
Предложенный способ позвол ет получать высокоогнеупорные издели более высокого качества из необожженной двуокиси циркони методом водного лить из кислых шликеров с рН 1-2. При этом в качестве стабилизатора примен ют предварительно синтезированный цирконат .кальци в количестве 20-22% по весу. Это позвол ет совместить процесс стабилизации двуокиси циркони с обжигом издели , т. е. применить только однократный обжиг, что значительно упрощает технологию производства. Одновременно предложенный способ позвол ет получать сырец с большим объемным весом в 2,6 г/слгз против 2,16-2,30 ZJCM по ранее известной технологии и снижает на 8-10% усадку изделий при обжиге.The proposed method makes it possible to produce higher quality refractory products from unfired zirconia by water casting from acid slurries with a pH of 1-2. In this case, pre-synthesized zirconate is used as a stabilizer. Calcium in the amount of 20-22% by weight. This makes it possible to combine the process of stabilization of zirconium dioxide with the firing of the product, i.e., apply only one-time firing, which greatly simplifies the production technology. At the same time, the proposed method makes it possible to obtain raw material with a large bulk density of 2.6 g / sgls versus 2.16-2.30 ZJCM according to previously known technology and reduces the shrinkage of products by 8-10% during firing.
Таким образом, издели , изготовленные предложенным способом, имеют лучшее качество по сравнению с изготовленными ранее известными способами.Thus, the products made by the proposed method are of better quality than those previously produced by known methods.
Предмет изобретени Subject invention
Способ стабилизации двуокиси циркони , отличающийс тем, что, с целью получени высокоогпеупорных изделий более высокого качества из необожженной двуокиси циркони методом водного лить из кислых шликеров с рН 1-2, примен ют в качестве стаоилизатора предварительно синтезированный цирконат кальци в количестве 20- 22% по весу.A method for stabilization of zirconium dioxide, characterized in that, in order to obtain higher quality higher quality products from unfired zirconia by water casting from acid slurries with a pH of 1-2, calcium synthesized zirconate in the amount of 20-22% is used as a stabilizer. weight.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU655578A SU138519A1 (en) | 1960-02-20 | 1960-02-20 | The method of stabilization of zirconium dioxide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU655578A SU138519A1 (en) | 1960-02-20 | 1960-02-20 | The method of stabilization of zirconium dioxide |
Publications (1)
Publication Number | Publication Date |
---|---|
SU138519A1 true SU138519A1 (en) | 1960-11-30 |
Family
ID=48294669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU655578A SU138519A1 (en) | 1960-02-20 | 1960-02-20 | The method of stabilization of zirconium dioxide |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU138519A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2065647A1 (en) * | 1969-10-22 | 1971-08-06 | Thann Mulhouse Prod Chim | Lime stabilised zirconia prodn |
-
1960
- 1960-02-20 SU SU655578A patent/SU138519A1/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2065647A1 (en) * | 1969-10-22 | 1971-08-06 | Thann Mulhouse Prod Chim | Lime stabilised zirconia prodn |
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