Phase instability in ZrO2-NiAl functionally graded materials

被引：6
作者：
He, YR
Subramanian, V
Lannutti, JJ
机构：
[1] Dept. of Mat. Sci. and Engineering, Ohio State University, Columbus
来源：
JOURNAL OF MATERIALS RESEARCH | 1997年 / 12卷 / 10期
关键词：
D O I：
10.1557/JMR.1997.0344
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Sedimentation in organic solvents was followed by hot-pressing to produce 2 mole % yttria stabilized zirconia-NiAl functionally graded materials (FGM's). These FGM's were better able to accommodate high levels of residual stress than alumina-NiAl FGM's; this is possibly due to enhanced tetragonal phase retention. However, we found that the zirconia layer in these FGM's subsequently experiences room temperature transformation of t-ZrO2 to m-ZrO2.
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页码：2589 / 2593
页数：5
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