Stabilization of the fluorite phase in the ZrO2–Y2O3 system

被引：3
|
作者：
Popov V.V. [1 ]
Yastrebtsev A.A. [1 ]
Smirnov I.S. [2 ]
Monakhov I.S. [2 ]
Novoselova E.G. [2 ]
Tsarenko N.A. [3 ]
Udovskii A.L. [1 ,4 ]
机构：
[1] National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Kashirskoye sh. 31, Moscow
[2] National Research University Higher School of Economics, ul. Myasnitskaya 20, Moscow
[3] JSC Scientific Research Institute of Chemical Technology, Kashirskoye sh. 33, Moscow
[4] Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninskii pr. 49, Moscow
来源：
Russ. Metall. (Metally) | / 9卷 / 869-874期
关键词：
X ray powder diffraction - Fluorspar - Raman scattering - Yttria stabilized zirconia;
D O I：
10.1134/S0036029516090111
中图分类号：
学科分类号：
摘要：
The calculated and experimental vertical ZrO2–Y2O3 sections of the Zr–Y–O system are compared to find the region of a stable fluorite structure of yttrium-stabilized zirconia (YSZ). X-ray diffraction (XRD) and Raman scattering are used to study the crystal and local structures of mixed oxide 0.82ZrO2 · 0.18Y2O3 (18YSZ) powders prepared by isothermal annealing of a precursor precipitated from a salt solution. The formation of a fluorite-type fcc structure (space group Fm3 ¯ m) in the powders is detected by XRD. Raman scattering study of the local structure of the cubic 18YSZ powders revealed traces of the tetragonal phase in them. © 2016, Pleiades Publishing, Ltd.
引用
收藏
页码：869 / 874
页数：5
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