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 …

Crystallization behavior of air-plasma-sprayed ytterbium-silicate-based environmental barrier coatings

E Garcia, HF Garces, LR Turcer, H Bale… - Journal of the European …, 2021 - Elsevier
A combination of characterization techniques has been used to provide new understanding
of the complex crystallization behavior of as-sprayed amorphous Yb 2 Si 2 O 7-based air …

Treelike PS-PVD coating: Hierarchical branching by shading and sintering

L Huang, MJ Liu, GJ Yang, CJ Li - Acta Materialia, 2024 - Elsevier
A structure zone model (SZM) with columnar structures for conventional physical vapor
deposition (PVD) has been assigned to plasma spray-physical vapor deposition (PS-PVD) …

Characterization of Yb2SiO5-based environmental barrier coating prepared by plasma spray–physical vapor deposition

Q Guo, W He, J He, J Wen, W Chen, J Sun, H Guo - Ceramics International, 2022 - Elsevier
Due to the high-input power compared to atmospheric plasma spraying (APS), plasma spray-
physical vapor deposition (PS-PVD) can primarily achieve a splat-like deposition, allowing …

Effect of HfO2 framework on steam oxidation behavior of HfO2 doped Si coating at high temperatures

W Chen, Q Han, J He, W He, W Wang, H Guo - Ceramics International, 2022 - Elsevier
HfO 2 doped Si is designed as bond coat material in thermal/environmental barrier coatings
(TEBCs). In this work, the HfO 2-Si composite coatings with different HfO 2 contents were …

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 …

High-temperature interface stability of tri-layer thermal environmental barrier coatings

Q Guo, W He, C Li, J He, J Sun, H Guo - Ceramics International, 2022 - Elsevier
Thermal environmental barrier coatings (TEBCs) are capable of protecting ceramic matrix
composites (CMCs) from hot gas and steam. In this paper, a tri-layer TEBC consisting of 16 …

Mechanisms of crack healing in dense Yb-Si-O environmental barrier coatings by plasma spray-physical vapor deposition

B Lv, X Zhuo, C Wang, X Zhang, Z Qu, B Xu… - Ceramics …, 2022 - Elsevier
Due to high thermal stress level and low strain tolerance, through-thickness cracks are
generally observed in plasma-sprayed environmental barrier coatings (EBCs) with dense …

PS–PVD alumina overlayer on thermal barrier coatings against CMAS attack

Y Guo, L Wei, Q He, Y Deng, W He, H Guo - Journal of Thermal Spray …, 2021 - Springer
Glassy deposits mainly comprising of calcium–magnesium–alumina–silicate (CMAS)
accelerate the spallation of thermal barrier coatings (TBCs). In this work, an Al 2 O 3 layer …

Enhanced flowability and film properties of ultrafine powder coatings modulated by modified flow additive

J Xie, D Xue, D Bao, X Zhu, Y Shao, H Zhang… - Progress in Organic …, 2023 - Elsevier
Ultrafine powder coatings have superior film performance but poor flowability due to the high
interaction between particles, which can be improved by the addition of inorganic flow …