Rare-earth tantalates for next-generation thermal barrier coatings

L Chen, B Li, J Feng - Progress in Materials Science, 2024 - Elsevier
Ceramic thermal barrier coatings (TBCs) have attracted significant research attention owing
to their utility in the thermally insulating alloy components of gas turbines and aircraft …

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 …

Mechanical properties and simulated thermal conductivity of biomimetic structured PS-PVD (Gd0. 9Yb0. 1) 2Zr2O7 thermal barrier coatings

Y Guo, L Guo, K Liu, S Qiu, H Guo, H Xu - Journal of Materials Science & …, 2024 - Elsevier
Plasma spray physical vapor deposition (PS-PVD)(Gd 0.9 Yb 0.1) 2 Zr 2 O 7 (GYbZ) thermal
barrier coatings (TBCs) exhibited better silicate-phobicity than coatings produced by …

Apatite and garnet stability in the Al–Ca–Mg–Si–(Gd/Y/Yb)–O systems and implications for T/EBC: CMAS reactions

E Godbole, A von der Handt… - Journal of the American …, 2022 - Wiley Online Library
This work advances the understanding of the influence of rare earth (RE) ion radius on the
stability and extent of the garnet solid solution phase in the (ytterbia/yttria/gadolinia)‐calcia …

[HTML][HTML] Ultrafast laser reconstructed PS-PVD thermal barrier coatings with superior silicophobic triple-scale micro/nano structure

Y Guo, L Guo, X Li, C Jiang, L Wei, X Zhu, D Liu… - Materials & Design, 2023 - Elsevier
Silicate material from environmental dust melts and adheres to the surfaces of thermal
barrier coatings (TBCs) on hot-components of turbine engines accelerating their eventual …

Plasma sprayed Yb4Hf3O12 thermal barrier coatings with excellent thermophysical properties and robust CMAS corrosion resistance

X Dang, J Yuan, J Wang, X Li, Z Huang, X Hu, Y Li - Ceramics International, 2023 - Elsevier
Here we reported atmospheric plasma sprayed Yb 4 Hf 3 O 12 as a novel thermal barrier
coating (TBC) and its comprehensive properties including phase composition, high …

Protocol for selecting exemplary silicate deposit compositions for evaluating thermal and environmental barrier coatings

AR Ericks, FW Zok, DL Poerschke… - Journal of the American …, 2022 - Wiley Online Library
A protocol for selecting representative silicate compositions for comparative testing of gas
turbine coating materials is presented. It begins with a curated dataset of compositions of …

Synthesis and thermophysical properties of ATa2O6 (= Co, Ni, Mg, Ca) tantalates with robust CMAS resistance

B Li, L Chen, K Luo, J Guo, J Wang… - Journal of the …, 2022 - Wiley Online Library
A new family of ceramic environmental/thermal barrier coating (E/TBC) materials, that is,
ATa2O6 (A= Co, Ni, Mg, Ca), for high‐temperature applications, are investigated and …

Crystallization behavior of CMAS+ sea salt mixture and its effect on the mixture penetration into thermal barrier coatings

Y Li, Y Yu, MRL Estarki, X Zhang, L Guo - Surface and Coatings Technology, 2023 - Elsevier
When aero-engines are operated in dusty and near-sea environments, thermal barrier
coatings (TBCs) are threatened by coupling corrosion of calcium-magnesium-alumina …

Garnet stability in the Al–Ca–Mg–Si–Y–O system with implications for reactions between TBCs, EBCs, and silicate deposits

E Godbole, N Karthikeyan… - Journal of the American …, 2020 - Wiley Online Library
This work expands the understanding of the garnet solid solution field in the yttria‐calcia‐
magnesia‐alumina‐silica system. The crystal chemistry was used to define the theoretical …