Interfacial damage based life model for EB-PVD thermal barrier coating

被引:39
|
作者
Courcier, C. [1 ,2 ]
Maurel, V. [1 ]
Remy, L. [1 ]
Quilici, S. [1 ]
Rouzou, I. [1 ]
Phelippeau, A. [2 ]
机构
[1] CNRS, UMR 7633, Ctr Mat, F-91003 Evry, France
[2] SNECMA SAFRAN Grp YQM, F-77550 Moissy Cramayel, France
来源
SURFACE & COATINGS TECHNOLOGY | 2011年 / 205卷 / 13-14期
关键词
EB-PVD Thermal barrier coatings; Interfacial damage model; Thermo-mechanical fatigue; Analytical modeling; ALUMINIDE COATINGS; CYCLIC OXIDATION; GROWN OXIDE; FAILURE; SYSTEMS; INSTABILITY; MECHANISMS; BEHAVIOR; TEMPERATURE; SPALLATION;
D O I
10.1016/j.surfcoat.2011.01.008
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Thermal barrier coating life modelling is a major challenge for industrial applications. This study aims to highlight critical damage mechanisms involved in TBC failure for both isothermal and cyclic oxidation conditions. Experimental database is analysed in relation to elastic buckling of the ceramic top coat obtained by mechanical compressive tests. Ageing is modelled thanks to an original damage approach dealing with the evolution of interfacial properties and loading history. This methodology is successfully applied as a post-processor to a 3D blade simulation for typical thermo-mechanical fatigue in-service loading. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码:3763 / 3773
页数:11
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