Synthesis of Highly Dispersed Al2O3-ZrO2-MgO Materials Using Electrogenerated Reagents

被引：1

作者：

Dresvyannikov, A. F. ^{[1
]}

Petrova, E. V. ^{[1
]}

Khairullina, A. I. ^{[1
]}

机构：

[1] Kazan Natl Res Technol Univ, Ul Karla Marksa 68, Kazan 420015, Tatarstan, Russia

来源：

INORGANIC MATERIALS | 2019年 / 55卷 / 03期

基金：

俄罗斯科学基金会;

关键词：

aluminum oxide system; phase composition; morphology; particle size; electrochemical synthesis; polarization measurements; modification; magnesium and zirconium atoms;

D O I：

10.1134/S0020168519030063

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have studied the morphology and phase composition of precursors for the preparation of highly dispersed alumina-based Al2O3-ZrO2-MgO materials. The precursors were synthesized in a coaxial diaphragmless electrolyzer with a soluble anode. Zr(IV) and Mg(II) ions were added during the synthesis process. It has been shown that varying electrolysis conditions allows the particle size and phase composition of the precipitate to be controlled. Synthesis in the Al2O3-ZrO2-MgO system is accompanied by Al2MgO4 spinel formation. Increasing the spinel concentration helps the metastable phase -Al2O3 to persist.

引用

页码：237 / 243

页数：7

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