Mechanical behavior of perovskites with mixed ionic and electronic conduction

被引：0
|
作者：
Gogotsi, G. [1 ]
Galenko, V. [1 ]
Ozerskij, B. [1 ]
Orlovskaya, N. [1 ]
机构：
[1] IPP, Kiev, Ukraine
来源：
| 2001年 / Metteks (OOO)卷
关键词：
Composition effects - Deformation - Physical properties - Stress analysis - Structural ceramics;
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摘要：
Investigations of behavior of ceramic materials with perovskite structure based on partially substituted lanthanum cobaltite have been performed in wide temperature range. Results of the investigations have shown that La0.8Ca0.2CoO3 compound is characterized by non-elastic deformation in the most extent but is very strength and crack resistant. Particularities in deformation of the compound have been studied. Specific behavior of perovskite destruction during indenter penetration into specimen has been investigated. Dependence of the compound crack resistance on temperature has been determined. Dependence of stress on deformation of perovskite has also been found.
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