Thermal stability of zirconia membranes

被引：0
作者：
Li Shi
Kam-Chung Tin
Ning-Bew Wong
机构：
[1] City University of Hong Kong,Department of Biology and Chemistry,
[2] ,undefined
来源：
Journal of Materials Science | 1999年 / 34卷
关键词：
Zirconia; Thermal Stability; Raman Spectroscopy; Yttria; Transformation Temperature;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Yttria-doped zirconia and pure zirconia membranes were prepared with sol-gel method using zirconium oxychloride octahydrate (ZrOCl2 · 8H2O) as starting material. Characterization for membranes was performed by means of BET, TG-DTA, SEM, XRD, FT-IR and Raman spectroscopy. Stable tetragonal phase and pore structure in yttria-doped zirconia membranes were observed at 400–700°C. And, phase transformation temperature can be retarded to 300°C. As a result, yttria doping can be developed as a method to secure the membrane from cracking in preparation process and high temperature applications.
引用
收藏
页码：3367 / 3374
页数：7
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