Synthesis of niobium(V)-stabilized tetragonal zirconia nanocrystalline powders

被引：14
|
作者：
Ray, JC [1 ]
Panda, AB [1 ]
Saha, CR [1 ]
Pramanik, P [1 ]
机构：
[1] Indian Inst Technol, Dept Chem, Kharagpur 721302, W Bengal, India
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2003年 / 86卷 / 03期
关键词：
D O I：
10.1111/j.1151-2916.2003.tb03331.x
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：
The polymer precursor method is very useful to prepare Nb5+-stabilized nanocrystalline powders of t-ZrO2. The precursor solution is composed of zirconium oxalate, niobium tartrate, and poly(vinyl alcohol), which help to form a network matrix to disperse the metal ions homogeneously. Nb5+ is an effective agent to stabilize t-ZrO2, and ease of formation of the tetragonal phase increases with increasing dopant concentration. Thermal stability of t-phase is found up to 1700degreesC having 15 mol% Nb5+, prepared at 600degreesC with particle sizes of 35 +/- 5 nm.
引用
收藏
页码：514 / 516
页数：3
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