Synthesis of nanocrystalline zirconia powders for TZP ceramics by a nitrate-citrate combustion route

被引：121

作者：

Juárez, RE ^{[1
]}

Lamas, DG ^{[1
]}

Lascalea, GE ^{[1
]}

de Reca, NEW ^{[1
]}

机构：

[1] UNSAM, CONICET, CITEFA, PRINSO, RA-1603 Villa Martelli, Buenos Aires, Argentina

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2000年 / 20卷 / 02期

关键词：

combustion synthesis; powders-chemical preparation; ZrO2-Y2O3;

D O I：

10.1016/S0955-2219(99)00146-6

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A nitrate-citrate combustion route to synthesise nanocrystalline yttria-doped zirconia powders for tetragonal zirconia polycrystal (TZP) ceramics is presented. This route is based on the gelling of nitrate solutions by the addition of citric acid and ammonium hydroxide, followed by an intense combustion process due to an exothermic redox reaction between nitrate and citrate ions. X-ray diffraction characterisation of powders showed the stabilisation of the tetragonal phase at room temperature because of their small crystallite size (about 10 nm). Dense ceramic samples prepared by uniaxial pressing and sintering in air were also studied. (C) 2000 Elsevier Science Ltd. All rights reserved.

引用

页码：133 / 138

页数：6

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