Stability of High-Temperature Phases of Ultrafine Zirconia

被引：0
|
作者：
V. F. Petrunin
V. V. Popov
Hongzhi Zhu
S. A. Korovin
机构：
[1] Moscow Institute of Engineering Physics (State University),
来源：
Glass Physics and Chemistry | 2005年 / 31卷
关键词：
Zirconia; Heat Treatment; Order Structure; Treatment Parameter; Zirconia Phase;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The formation of zirconia nanocrystals upon heat treatment of amorphous zirconia hydroxide is investigated. It is demonstrated that ZrO(OH)2 · xH2O xerogel particles are aggregates of primary nanoparticles that have sizes of 3–5 nm and a short-range order structure. The phase composition, the structural parameters, and the stability of nanocrystals of high-temperature zirconia phases formed depend on the synthesis conditions of the precursor (primarily on the type of initial zirconium salts) and the heat treatment parameters (temperature, time).
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页码：459 / 464
页数：5
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