Effect of the valence state of ce ions on the phase stability and mechanical properties of the crystals of ZrO2-based solid solutions

被引：0
|
作者：
M. A. Borik
V. T. Bublik
R. M. Eremina
A. V. Kulebyakin
E. E. Lomonova
F. O. Milovich
V. A. Myzina
V. V. Osiko
N. Yu. Tabachkova
I. I. Fazlizhanov
V. A. Shustov
I. V. Yatsyk
机构：
[1] Russian Academy of Sciences,Prokhorov General Physics Institute
[2] National University of Science and Technology MISiS,Zavoiskii Physical–Technical Institute
[3] Russian Academy of Sciences,undefined
[4] Kazan (Privolzhskii) Federal University,undefined
来源：
Physics of the Solid State | 2017年 / 59卷
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摘要：
The structure and mechanical properties of the crystals of solid solutions of zirconium dioxide, which are stabilized by yttrium and cerium oxides, have been studied. The electron paramagnetic resonance technique has been used to identify Ce3+ ions and to determine their relative concentration in the crystals. It is shown that the presence of Ce3+ ions in the crystals is the main factor responsible for their high fracture toughness. The annealings carried out during investigations, which lead to a decrease in the concentration of Ce3+ ions, show that a change in the valence state of cerium ions lowers the fracture toughness of the crystals.
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页码：1934 / 1939
页数：5
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