Progress on high-temperature protective coatings for aero-engines

L Guo, W He, W Chen, Z Xue, J He, Y Guo… - Surface Science and …, 2023 - Springer
Aero-engine is a key part of aircraft, the operating temperature of which is being pushed to
unprecedented levels for higher engine efficiency and performance. To accomplish higher …

CMAS+ sea salt corrosion to thermal barrier coatings

L Guo, X Zhang, M Liu, S Yang, JW Dai - Corrosion Science, 2023 - Elsevier
In marine environment, sea salt and calcium-magnesium-alumina-silicate (CMAS) coexist
largely endangering thermal barrier coatings (TBCs) service safety. In this study, the …

Interaction laws of RE2O3 and CMAS and rare earth selection criterions for RE-containing thermal barrier coatings against CMAS attack

L Guo, B Zhang, Y Gao, K Yan - Corrosion Science, 2024 - Elsevier
Thermal barrier coatings (TBCs) with higher rare earth (RE) contents are more resistant to
CaO-MgO-Al 2 O 3-SiO 2 (CMAS) attack due to their reaction to form apatite protective …

Exploration of the mechanism of enhanced CMAS corrosion resistance at 1500° C for multicomponent (Er0. 25Tm0. 25Yb0. 25Lu0. 25) 2Si2O7 disilicate

L Sun, X Ren, Y Luo, X Lv, J Wang, Y Oh, J Wang - Corrosion Science, 2022 - Elsevier
Abstract (Er 0.25 Tm 0.25 Yb 0.25 Lu 0.25) 2 Si 2 O 7 with excellent CMAS corrosion
resistance has been designed for the application of environmental barrier coating. The …

A critical review of physical models in high temperature multiphase fluid dynamics: Turbulent transport and particle-wall interactions

N Jain, A Le Moine… - Applied …, 2021 - asmedigitalcollection.asme.org
This review article examines the last decade of studies investigating solid, molten, and liquid
particle interactions with one another and with walls in heterogeneous multiphase flows …

Synthesis and characterization of single-phase X2-Lu2SiO5 nanostructured feedstocks for advanced plasma-sprayed environmental barrier coatings

D Guo, J Liu, J Shi, B Xu, B Shi, F Zhou… - Surface and Coatings …, 2024 - Elsevier
The objective of this work is to synthesize the single-phase X2-Lu 2 SiO 5 nanostructured
feedstocks for plasma-sprayed environmental barrier coatings (EBCs). Generally speaking …

Outstanding molten calcium–magnesium–aluminosilicate (CMAS) corrosion resistance of directionally solidified Al2O3/Y3Al5O12 eutectic ceramic at 1500° C

H Sun, L Sun, X Ren, C Zhou, J Li, T Du, J Liu, J Wang - Corrosion Science, 2023 - Elsevier
This paper explored the calcium–magnesium–aluminosilicate (CMAS) corrosion resistance
of Al 2 O 3/Y 3 Al 5 O 12 (YAG) directionally solidified eutectic (DSE) at 1500° C for 4–100 h …

Effect of HfO2 content on CMAS corrosion resistance of a promising Hf6Ta2O17 ceramic for thermal barrier coatings

S Liu, XP Hu, Q Liu, JW Guo, JY Wu, W Zhu - Corrosion Science, 2022 - Elsevier
The effect of HfO 2 content on CMAS corrosion resistance of Hf 6 Ta 2 O 17 ceramics at
different temperatures is investigated. The results show that Hf 6 Ta 2 O 17 ceramics with …

Hot corrosion of high-entropy hafnate for thermal barrier coating material subjected to molten CMAS

L Cong, W Li, Q Song, Y Guo, J Wang, S Gu, S Zhang - Corrosion Science, 2022 - Elsevier
The calcium magnesium aluminosilicate (CMAS) corrosion behavior of high entropy (La 0.2
Ce 0.2 Pr 0.2 Sm 0.2 Eu 0.2) 2 Hf 2 O 7 (HEF) thermal barrier coatings (TBCs) material …

Fluorite-pyrochlore structured high-entropy oxides: Tuning the ratio of B-site cations for resistance to CMAS corrosion

F Cheng, Z Meng, C Cheng, J Hou, Y Liu, B Ren, H Hu… - Corrosion …, 2023 - Elsevier
As gas turbine inlet temperatures continue to rise, new thermal barrier coating (TBC)
materials must be developed urgently. This work investigated molten silicate corrosion …