Calcia–magnesia–alumina–silicate (CMAS) attack mechanisms and roadmap towards Sandphobic thermal and environmental barrier coatings

A Nieto, R Agrawal, L Bravo… - International …, 2021 - Taylor & Francis
This review critically examines the current understanding of calcia–magnesia–alumina–
silicate (CMAS) degradation mechanisms and mitigation approaches in thermal and …

Grain boundary corrosion mechanism of YSZ thermal barrier oxides under CMAS attack

D Wu, X Shan, H Cai, F Yang, X Zhao - Corrosion Science, 2022 - Elsevier
Grain boundary (GB) corrosion of yttria-stabilized zirconia (YSZ) under calcium-magnesium-
alumino-silicates (CMAS) attack was investigated. Dense YSZ ceramics with YO 1.5 …

Reaction products of Sm2Zr2O7 with calcium-magnesium-aluminum-silicate (CMAS) and their evolution

Y Wang, Z Ma, L Liu, Y Liu - Journal of Advanced Ceramics, 2021 - Springer
During flight, many silicates (sand, dust, debris, fly ash, etc.) are ingested by an engine. They
melt at high operating temperatures on the surface of thermal barrier coatings (TBCs) to form …

Explorative imaging and its implementation at the FleX-ray Laboratory

SB Coban, F Lucka, WJ Palenstijn, D Van Loo… - Journal of …, 2020 - mdpi.com
In tomographic imaging, the traditional process consists of an expert and an operator
collecting data, the expert working on the reconstructed slices and drawing conclusions. The …

A coupled theory for deformation and phase transformation due to CMAS infiltration and corrosion of thermal barrier coatings

G Xu, L Yang, Y Zhou - Corrosion Science, 2021 - Elsevier
This work proposes a mechanism-based phase-field approach for tetragonal-to-monoclinic
transformation in thermal barrier coatings (TBCs) corroded by calcium-magnesium-alumino …

Influence of pore characteristics of air plasma sprayed thermal barrier coatings on calcia-magnesia-alumino-silicate (CMAS) attack behavior

X Shan, H Cai, L Luo, F Guo, X Zhao - Corrosion Science, 2021 - Elsevier
The pore characteristics of air plasma sprayed yttria-stabilized zirconia thermal barrier
coatings (TBCs) were tailored by Al 2 O 3-sol impregnation, and then its influence on CMAS …

[HTML][HTML] Integrating APS TBCs with a built-in Al2O3 protection network for superior CMAS resistance

S Qin, H Cao, Z Gao, JP Martins, Y Liu, G Brewster… - Corrosion …, 2024 - Elsevier
Abstract Calcium–magnesium–alumina–silicate (CMAS) attack poses a great threat to the
durability of thermal barrier coatings (TBCs). We introduce a novel Al 2 O 3-modified TBC …

Characterisation techniques for investigating tbc and ebc failure: a review

D Scotson, AH Paksoy, P Xiao - Frontiers in Ceramics, 2024 - frontiersin.org
Materials characterisation plays a crucial role in developing thermal barrier coatings and
environmental barrier coatings for gas-turbine engines. The failure of thermal barrier …

Al2O3-modified 7YSZ thermal barrier coatings for protection against volcanic ash corrosion

X Zhang, X Zhuo, Z Fan, J Mao, C Deng… - npj Materials …, 2022 - nature.com
To prevent volcanic ash corrosion using thermal barrier coatings (TBCs), a novel method
using Al2O3-modification was proposed to reduce molten CMAS wettability on TBCs surface …

Microstructure and microcrack evolution mechanism of thermal barrier coatings under CMAS infiltration and corrosion: Experimental and numerical modeling

Q Zhou, Y Wei, G Xu, L Yang, Y Zhou - Corrosion Science, 2024 - Elsevier
The long lifetime of thermal barrier coatings (TBCs) is challenged by calcium-magnesium-
aluminum-silicate (CMAS) infiltration and corrosion. In this paper, a coupled numerical …