A review on failure mechanism of thermal barrier coatings and strategies to extend their lifetime

G Mehboob, MJ Liu, T Xu, S Hussain, G Mehboob… - Ceramics …, 2020 - Elsevier
Thermal barrier coating (TBC) system is an essential technology in many fields associated to
high temperatures. The main function of these TBCs is to protect the metallic parts against …

The effect of high-temperature water vapour on degradation and failure of hot section components of gas turbine engines

K Chen, D Seo, P Canteenwalla - Coatings, 2021 - mdpi.com
For the past decade, the aviation industry has been adopting sustainable aviation fuels
(SAF) for use in aircraft to reduce the impact of aviation on climate change. Also, some …

Corrosion protection and failure mechanism of ZrO2 coating on zirconium alloy Zry-4 under varied LiOH concentrations in lithiated water at 360° C/18.5 MPa

G Jiang, D Xu, J Liu, J Yang, Y Li, W Kuang - Applied Surface Science, 2024 - Elsevier
Maintaining a good corrosion resistance in primary coolant loop during normal operations is
a prerequisite for ZrO 2 as a protective coating on zirconium alloy cladding. Research on …

Microstructure and oxidation behaviour of MoSi2 coating combined MoB diffusion barrier layer on Mo substrate at 1300° C

R Zhai, P Song, T Huang, C Li, C Hua, W Huang… - Ceramics …, 2021 - Elsevier
To improve the oxidation resistance of a Mo substrate at high temperatures, MoSi 2–MoB
double layers were prepared on the surface of the substrate using a two-step pack …

Comprehensive effects of TGO growth on the stress characteristic and delamination mechanism in lamellar structured thermal barrier coatings

ZY Wei, HN Cai - Ceramics International, 2020 - Elsevier
To clarify the role of thermally grown oxide (TGO) in the failure of thermal barrier coating
system (TBCs) is beneficial to further understand coating spallation mechanism and …

CrO2 (OH) 2 volatilization rate and oxidation behavior prediction of the NiCr coating in air-H2O environment at 650℃

W Huang, T Huang, P Song, R Chen, B Zheng… - Corrosion …, 2021 - Elsevier
The volatilization rate and lifetime prediction of the NiCr coatings produced by high-velocity
oxygen-fuel were investigated at 650° C in air containing 20% water vapor. Water vapor …

Review of the Impact of Hydrogen-Containing Fuels on Gas Turbine Hot-Section Materials

J O'Connor, DR Noble, A Bridges… - … Expo: Power for …, 2024 - asmedigitalcollection.asme.org
In an effort to achieve worldwide decarbonization goals, a range of low-carbon fuels is being
proposed for use in power-generation gas turbines. Two promising fuels are hydrogen and …

Effect of Gd2O3 Addition on High-Temperature Oxidation Performance of NiCoCrAlYTa Coatings

A Liu, X Cui, Y Jing, Z Chen, Z Zhang, D Liu… - Journal of Thermal …, 2024 - Springer
Herein, the effects of Gd2O3 on the laser cladding NiCoCrAlYTa coatings in terms of
microstructure, phase structures, high temperature oxidation behaviors were investigated …

Structural characteristics and high-temperature oxidation behaviour of nano-HfO2-doped thermal barrier coatings

S Li, Y Di, H Wang, Y Zhao, L Wang, L Dong - Ceramics International, 2022 - Elsevier
The uneven growth of thermally grown oxides (TGOs) in thermal barrier coating systems is
an important cause of cracking failure at the coating interface in high-temperature …

Effect of Rare Earth Doping on the Tensile Properties of High Temperature Oxidation Coating

S Zhang, S Li, Y Zhao, X Wang, C Liu - Journal of Wuhan University of …, 2023 - Springer
The failure process was characterized by complex diffusion of elements in the bonding layer,
TGO growth and growth stress inside the coating. We studied the aluminum migration …