Phase Diagrams of Refractory Oxide Systems and Microstructural Design of Materials

被引：11
|
作者：
Dudnik, E. V. [1 ]
Lakiza, S. N. [1 ]
Tishchenko, Ya. S. [1 ]
Ruban, A. K. [1 ]
Red'ko, V. P. [1 ]
Shevchenko, A. V. [1 ]
Lopato, L. M. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Frantsevich Inst Problems Mat Sci, Kiev, Ukraine
来源：
POWDER METALLURGY AND METAL CERAMICS | 2014年 / 53卷 / 5-6期
关键词：
ZrO2; HfO2; Al2O3; rare earth oxides; phase diagrams of refractory oxide systems; high-performance materials; mechanical properties;
D O I：
10.1007/s11106-014-9617-z
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
It is shown that the phase diagrams of refractory oxide systems based on ZrO2, HfO2, Al2O3, and rare earth oxides underlie the microstructural design of various high-performance materials. Process steps to produce coarse-grained ceramics in the HfO2-ZrO2-Y2O3, ZrO2-Y2O3-Sc2O3, HfO2-ZrO2-Sc2O3, Y2O3-Er2O3, Y2O3-ZrO2, Y2O3-HfO2, Y2O3-Al2O3, Y2O3-SiO2, and Y2O3-La2O3 systems to perform at temperatures up to 2200A degrees C are designed. Process steps to produce high-performance fine-grained composites in the HfO2-ZrO2-Y2O3 (Ln(2)O(3)) (Ln-Dy, Ho, Er, Tm, Yb), ZrO2-Y2O3-Sc2O3, ZrO2-Y2O3-Sc2O3, Al2O3-Zr(Hf)O-2-Ln(Y)(2)O-3 (Ln-La, Nd, Sm, Gd, Er, Yb), and ZrO2-Y2O3-CeO2-Al2O3 systems are designed as well.
引用
收藏
页码：303 / 311
页数：9
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