Tetragonal-to-monoclinic phase transformation in zirconia-yttria ceramics with and without alumina addition

被引：0

作者：

Tsubakino, H ^{[1
]}

Tanaka, T ^{[1
]}

Tanaka, N ^{[1
]}

Inoue, H ^{[1
]}

机构：

[1] Univ Hyogo, Himeji Inst Technol, Grad Sch Engn, MSE, Himeji, Hyogo 6712201, Japan

来源：

HIGH TEMPERATURE CERAMIC MATRIX COMPOSITES 5 | 2005年

关键词：

D O I：

暂无

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 well known that zirconia ceramics containing yttria and alumina have remarkable advantages in mechanical properties and these advantages are deeply related to tetragonal-to-monoclinic phase transformation. This study looked into the effect of alumina addition on the phase transformation in zirconia ceramics containing 0-3mol% yttria by DSC, Dilatometry and XRD. Alumina addition induces larger grain size in the tetragonal phase, lower saturation value of the isothermal phase transformation and different growth mode of the monoclinic laths. These results will be related to the change from an anisotropic to an isotropic behavior of monoclinic phase with the addition of alumina, resulted in improvement of mechanical properties.

引用

页码：359 / 364

页数：6

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