PECULIARITIES OF PHASE FORMATION IN SOL-GEL POWDERS OF THE CaO-ZrO2-Nb2O5-SiO2 SYSTEM

被引：0
|
作者：
Lutsyuk, Iryna [1 ]
Gavryshkevych, Yaryna [2 ]
Vakhula, Yaroslav [1 ]
机构：
[1] Lviv Polytech Natl Univ, 12 S Bandery St, UA-79013 Lvov, Ukraine
[2] Danylo Halytsky Lviv Natl Med Univ, 25b,Kutova St, UA-79014 Lvov, Ukraine
来源：
CHEMISTRY & CHEMICAL TECHNOLOGY | 2023年 / 17卷 / 03期
关键词：
phase formation; sol-gel technology; niobium and zirconium oxides; powder; OPTICAL-PROPERTIES;
D O I：
10.23939/chcht17.03.495
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The phase composition of xerogel powders of the CaO-ZrO2-Nb2O5-SiO2 system after heat treatment at 1273 K with different Nb2O5 content was established. The temperatures of the physical and chemical processes occurring during the powders heating were determined. It was found that the complete replacement of ZrO2 by Nb2O5 resulted in the formation of niobium-containing phases with a change in the structure of the powders.
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页码：495 / 502
页数：8
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