Enhanced zirconia thermal barrier coating systems

被引：13

作者：

Clarke, DR ^{[1
]}

Levi, CG ^{[1
]}

Evans, AG ^{[1
]}

机构：

[1] Univ Calif Santa Barbara, Coll Engn, Dept Mat, Santa Barbara, CA 93160 USA

来源：

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART A-JOURNAL OF POWER AND ENERGY | 2006年 / 220卷 / A1期

关键词：

zirconia; bond-coats; co-doping; oxidation; thermal cycling;

D O I：

10.1243/095765005X31126

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The results of a research programme sponsored by the Department of Energy and directed at establishing some of the scientific issues underpinning the development of enhanced zirconia thermal barrier coatings (TBCs) are reviewed. Our studies have established the stability ranges for both yttria stabilized and codoped zirconia coating materials and identified the mechanisms responsible for failure of current coating systems. These reveal that it is likely that present EB-PVD coatings systems are limited by the performance of current bond-coats and their oxidation behaviour, especially under thermal cycle conditions, rather than the zirconia coating material itself These studies provide the scientific framework for the development of enhanced zirconia-based thermal barrier coating systems for advanced industrial gas turbine engine applications.

引用

页码：85 / 92

页数：8

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