EFFECT OF SRO ADDITIONS ON THE GRAIN-BOUNDARY MICROSTRUCTURE AND MECHANICAL-PROPERTIES OF MAGNESIA-PARTIALLY-STABILIZED ZIRCONIA

被引：36

作者：

DRENNAN, J

HANNINK, RHJ

机构：

[1] CSIRO, Div of Materials Science,, Melbourne, Aust, CSIRO, Div of Materials Science, Melbourne, Aust

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1986年 / 69卷 / 07期

关键词：

CERAMIC MATERIALS - Mechanical Properties - ZIRCONIUM METALLOGRAPHY - Microstructures;

D O I：

10.1111/j.1151-2916.1986.tb04790.x

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：

Improvements in the mechanical properties of magnesia-partially-stabilized zirconia are obtained by the addition of SrO. Evidence is presented which indicates that the added SrO effectively neutralizes the detrimental effects of SiO//2 contaminant by forming a glass phase which is ejected from the bulk of the ceramic during sintering. This combined effect results in the retardation of the subeutectoid decomposition reaction while minimizing retention of glass phases at the grain boundaries.

引用

页码：541 / 546

页数：6

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