QNDE of degradation in thermal barrier coatings using impedance spectroscopy

被引：0
|
作者：
Ogawa, K [1 ]
Gotoh, N [1 ]
Minkov, D [1 ]
Shoji, T [1 ]
机构：
[1] Tohoku Univ, Fracture Res Inst, Aoba Ku, Sendai, Miyagi 9808579, Japan
来源：
REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, VOLS 20A AND 20B | 2001年 / 557卷
关键词：
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Thermally grown oxide (TGO), formed at the interface between 8wt% yttria stabilized zirconia (YSZ) top coating and MCrAlY bond coating, is characterized by impedance spectroscopy (IS) technique, sensitivity analysis, and inverse analysis. It is possible to understand the impedance spectrum obtained from the IS technique using sensitivity analysis. Furthermore, the thickness and the physical properties of TGO could be estimated by inverse analysis.
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页码：1140 / 1147
页数：8
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