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 …

Lifetime of plasma-sprayed thermal barrier coatings: comparison of numerical and experimental results

R Vaßen, S Giesen, D Stöver - Journal of thermal spray technology, 2009 - Springer
Atmospherically sprayed thermal barrier coatings (TBCs) are nowadays an essential part in
modern gas turbines. However, a design integrated use of these coatings is only possible …

Sintering resistance of advanced plasma-sprayed thermal barrier coatings with strain-tolerant microstructures

B Lv, R Mücke, X Fan, TJ Wang, O Guillon… - Journal of the European …, 2018 - Elsevier
Sintering is one of the key issues in the high temperature service of thermal barrier coatings
(TBCs), considering the continuously increasing operation temperature of gas-turbine for …

Thickness-related failure behaviors of the thermal barrier coatings under thermal gradient cycling

M Wu, Y Liu, W Qu, W Guo, H Zhang, Y Pei, S Li… - Surface and Coatings …, 2023 - Elsevier
Abstract The ZrO2–7 wt% Y2O3 (7YSZ) is the most commonly used ceramic layer in the
thermal barrier coating (TBC) system due to its low thermal conductivity. However, the …

Size effects on high temperature oxidation of MCrAlY coatings processed via APS and HVOF depositions

A Kalush, D Texier, M Ecochard, Q Sirvin… - Surface and Coatings …, 2022 - Elsevier
The paper demonstrates how defects inherited from the deposition processes can severely
impair the lifetime of MCrAlY coatings in service. The oxidation behavior of two NiCoCrAlY …

Influence of topcoat-bondcoat interface roughness on stresses and lifetime in thermal barrier coatings

M Gupta, K Skogsberg, P Nylén - Journal of thermal spray technology, 2014 - Springer
Abstract Failure in Atmospheric Plasma-Sprayed (APS) thermal barrier coatings (TBCs) is
associated with the thermo-mechanical stresses developing due to the thermally grown …

[HTML][HTML] Understanding the influence of microstructure on hot corrosion and erosion behavior of suspension plasma sprayed thermal barrier coatings

N Kumar, S Mahade, A Ganvir, S Joshi - Surface and Coatings Technology, 2021 - Elsevier
Thermal barrier coatings (TBCs) are bilayer systems comprising a 7–8 wt% yttria partially
stabilized zirconia (YSZ) top coat deposited over a metallic bond coat. Suspension plasma …

Study on the oxidation resistance mechanism of self-healable NiAl coating deposited by atmospheric plasma spraying

L Zhang, D Wang, XJ Liao, R Chen, XT Luo… - npj Materials …, 2023 - nature.com
A dense NiAl coating with low oxide content was deposited on the GH4202 superalloy
substrate by atmospheric plasma spraying (APS) using carbon-containing Ni/Al composite …

High-porosity thermal barrier coatings from high-power plasma spray equipment—processing, performance and economics

N Curry, M Leitner, K Körner - Coatings, 2020 - mdpi.com
High-porosity thermal barrier coatings are utilized on gas turbine components where
maximizing the coating thermal insulation capability is the primary design criteria. Though …

Thermal stability and oxidation behavior of nanostructured NiCoCrAlY coatings

D Mercier, BD Gauntt, M Brochu - Surface and Coatings Technology, 2011 - Elsevier
In this work, commercially available NiCoCrAlY powder was cryomilled to produce a
nanostructured feedstock for HVOF coating. The nanostructured powders were heat treated …