SU138519A1 - The method of stabilization of zirconium dioxide - Google Patents

The method of stabilization of zirconium dioxide

Info

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
Application number
SU655578A
Other languages
Russian (ru)
Inventor
Л.В. Виноградова
Н.А. Година
Г.П. Каллига
Э.К. Келер
В.А. Колбасова
Д.Н. Полубояринов
ринов Д.Н. Полубо
М.Ш. Рутман
Original Assignee
Л.В. Виноградова
Н.А. Година
Г.П. Каллига
Э.К. Келер
В.А. Колбасова
ринов Д.Н. Полубо
М.Ш. Рутман
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Л.В. Виноградова, Н.А. Година, Г.П. Каллига, Э.К. Келер, В.А. Колбасова, ринов Д.Н. Полубо, М.Ш. Рутман filed Critical Л.В. Виноградова
Priority to SU655578A priority Critical patent/SU138519A1/en
Application granted granted Critical
Publication of SU138519A1 publication Critical patent/SU138519A1/en

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  • 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.

SU655578A 1960-02-20 1960-02-20 The method of stabilization of zirconium dioxide SU138519A1 (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2065647A1 (en) * 1969-10-22 1971-08-06 Thann Mulhouse Prod Chim Lime stabilised zirconia prodn

Cited By (1)

* Cited by examiner, † Cited by third party
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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