Effect of thermal growth oxide composition and morphology on local stresses in thermal barrier coatings

K Ding, T Zhang, Z Wang, J Yu, W Guo, Y Yang - Materials, 2022 - mdpi.com
The failure of thermal barrier coatings (TBCs) during operation depends mainly on the
thermal mismatch between the ceramic top coat (TC) and the metal bond coat (BC). The …

Model construction and effect of thermally grown oxide dynamic growth on distribution of thermal barrier coatings

L Wang, C Deng, K Ding, S Guo, Z Li, X Lin - Ceramics International, 2021 - Elsevier
A physical geometric model of the dynamic growth of thermally grown oxide (TGO) was
established based on an analysis of the TGO growth of 8YSZ thermal barrier coatings during …

Stress development in thermal barrier coatings with morphology-controlled thermally grown oxide

Y Chai, X Yang, Y Li, K Ogawa - Ceramics International, 2019 - Elsevier
Formation of thermally grown oxide (TGO) on the interface between top coat (TC) and bond
coat (BC) is critical for thermal barrier coating system (TBCs) failure during long-term …

Influence of the TGO creep behavior on delamination stress development in thermal barrier coating systems

J Schwarzer, D Löhe, O Vöhringer - Materials Science and Engineering: A, 2004 - Elsevier
The lifetime of ceramic thermal barrier coatings (TBCs) is significantly affected by the growth
of a dense alumina scale at the interface between TBC and the bond coat (BC), the so …

Comparison of stress evolution under TGO growth simulated by two different methods in thermal barrier coatings

Z Chen, W Jia, K Zhao, L Fang - Ceramics International, 2020 - Elsevier
The growth of thermally grown oxide (TGO) is a significant factor affecting the failure
mechanism of thermal barrier coatings (TBCs) during cyclic high temperature service. In this …

[HTML][HTML] Temperature dependent dynamic growth of thermally grown oxide in thermal barrier coatings

LY Lim, SA Meguid - Materials & Design, 2019 - Elsevier
Failures in thermal barrier coatings (TBCs) are often associated with a thermally grown
oxide (TGO) due to thermal mismatch and the growth stress associated with growth of TGO …

Thermomechanical simulations of the transient coupled effect of thermal cycling and oxidation on residual stresses in thermal barrier coatings

LY Lim, SA Meguid - Ceramics International, 2022 - Elsevier
Failures in thermal barrier coatings (TBCs) are associated with the build-up of residual
stresses that result from thermal cycling, growth strain, and stress relaxation associated with …

Local stress evolution in thermal barrier coating system during isothermal growth of irregular oxide layer

Y Sun, J Li, W Zhang, TJ Wang - Surface and Coatings Technology, 2013 - Elsevier
The local stress associated with the presence and growth of irregular thermally grown oxide
(TGO) layer between bond coat (BC) and top coat (TC) may induce micro-cracks and …

[HTML][HTML] Comprehensive Understanding of the Effect of TGO Growth Modes on Thermal Barrier Coating Failure Based on a Simulation

D Qiao, J Man, W Yan, B Xue, X Bian, W Zeng - Materials, 2023 - mdpi.com
The growth stress induced by thermally grown oxide (TGO) is one of the main reasons for
the failure of thermal barrier coatings (TBCs). In this study, the failure behavior of TBCs was …

Numerical study of residual stress and crack nucleation in thermal barrier coating system with plane model

QM Yu, L Cen, Y Wang - Ceramics International, 2018 - Elsevier
The residual stresses could cause extensive damage to thermal barrier coatings and even
failure. A finite element model of thermal barrier coating system had been designed to …