Microstructure and its influence on thermal and electrical conductivity of ZrO2-Ag composites

被引：10
|
作者：
Liu, DM [1 ]
Tuan, WH [1 ]
机构：
[1] NATL TAIWAN UNIV,INST MAT SCI & ENGN,TAIPEI 10764,TAIWAN
来源：
MATERIALS CHEMISTRY AND PHYSICS | 1997年 / 48卷 / 03期
关键词：
ZrO2-Ag composite; ceramic matrix composite; thermal conductivity; electrical resistivity;
D O I：
10.1016/S0254-0584(96)01898-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effects of Ag content on the thermal diffusivity and conductivity of the ZrO2-Ag composites were investigated. Experimental results showed a significant increase in thermal conductivity at Ag greater than or equal to similar to 10 vol.%, which was primarily due to the formation of continuous Ag phase and a direct evidence was confirmed by a precipitous drop in electrical resistivity. The formation of interconnected Ag phase made the thermal conductivity of the ZrO2-Ag composites far beyond theoretical expectation.
引用
收藏
页码：258 / 262
页数：5
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