Novel low thermal conductivity ceramic materials for thermal barrier coatings

被引:17
|
作者
Pan, W [1 ]
Xu, Q [1 ]
Qi, LH [1 ]
Wang, JD [1 ]
Miao, HH [1 ]
Mori, K [1 ]
Torigoe, T [1 ]
机构
[1] Tsing Hua Univ, Dept Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China
来源
关键词
ceramics; thermal barrier coatings; low thermal conductivity;
D O I
10.4028/www.scientific.net/KEM.280-283.1497
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 increase of the efficiency for gas turbines leads to the increasing combustion-chamber temperatures. Rapid degradation of the conventional yttria-stabilized zirconia coatings does not fulfill the requirements at these temperatures for a reliable thermal barrier coatings (TBCs) due to the phase transformation of zirconia and the sintering behaviour. Therefore, it is very important to develop novel ceramic materials for TBCs with low thermal conductivity and long-term stability at high temperatures. In this paper, the developments of potential novel ceramic materials for TBCs with low thermal conductivity are reviewed.
引用
收藏
页码:1497 / 1500
页数:4
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