STRUCTURE FORMATION AND MECHANICAL-BEHAVIOR OF AL2O3/ZRO2(Y2O3) DISPERSION CERAMICS

被引：1
|
作者：
BISCHOFF, S
MICHALOWSKY, L
WERNER, G
PIPPEL, E
WOLTERSDORF, J
机构：
[1] Bergakademie Freiberg, Sektion Werkstoffwissenschaft, DDR-9200 Freiberg
[2] Institut für Festkörperphysik und Elektronenmikroskopie der Akademie der Wissenschaften der DDR, DDR-4050 Halle, Weinberg
来源：
CERAMICS INTERNATIONAL | 1990年 / 16卷 / 02期
关键词：
D O I：
10.1016/0272-8842(90)90082-Q
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：
The microstructure and the mechanical properties of alumina ceramics doped with yttria-stabilized tetragonal zirconia were investigated depending on the quality of the raw material and the process parameters of specimen production. Doping with 30 wt% ZrO2 (Y2O3) resulted in a strength of about 530 MPa, which was increased by about 10% by means of nitrogen cooling. The size of the ZrO2 particles varied between 0·4 and 0·5 μm. Electron microscopy studies revealed a partial transformation of the ZrO2 particles and the rather inhomogeneous transformation behaviour depending on the grain size. © 1990.
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页码：121 / 127
页数：7
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