A guide to finite element simulations of thermal barrier coatings

M Bäker, P Seiler - Journal of Thermal Spray Technology, 2017 - Springer
To understand the stress evolution and failure mechanisms of thermal barrier coatings
(TBCs), finite element simulations are an invaluable tool. Simulations are especially useful …

Modeling residual stress development in thermal spray coatings: current status and way forward

AA Abubakar, AFM Arif, KS Al-Athel, SS Akhtar… - Journal of Thermal …, 2017 - Springer
An overview of analytical and numerical methods for prediction of residual stresses in
thermal spray coatings is presented. The various sources and mechanisms underlying …

Oxidation failure of TBC systems: An assessment of mechanisms

HE Evans - Surface and Coatings Technology, 2011 - Elsevier
The spallation of thermal barrier coatings can be life-limiting but its prediction has proven to
be a difficult problem. The final spallation event can often occur by buckling and is driven by …

Failure mechanisms of thermal barrier coatings on MCrAlY-type bondcoats associated with the formation of the thermally grown oxide

D Naumenko, V Shemet, L Singheiser… - Journal of materials …, 2009 - Springer
The effect of the thermally grown oxide (TGO) formation on the lifetime of the thermal barrier
coatings (TBC) with MCrAlY-bondcoats (BC) is reviewed. A number of factors affecting the …

Low-thermal-conductivity plasma-sprayed thermal barrier coatings with engineered microstructures

AD Jadhav, NP Padture, EH Jordan, M Gell, P Miranzo… - Acta Materialia, 2006 - Elsevier
The solution precursor plasma spray (SPPS) process has been used to deposit ZrO2–7wt.%
Y2O3 thermal barrier coatings (TBCs) that contain alternate layers of low and high porosities …

[HTML][HTML] Understanding the residual stress distribution through the thickness of atmosphere plasma sprayed (APS) thermal barrier coatings (TBCs) by high energy …

C Li, X Zhang, Y Chen, J Carr, S Jacques, J Behnsen… - Acta materialia, 2017 - Elsevier
Residual stresses are considered to be the driving forces for the in-service failure of TBCs.
The residual stress distribution through an APS TBC has been experimentally measured by …

Effects of breakaway oxidation on local stresses in thermal barrier coatings

EP Busso, HE Evans, ZQ Qian, MP Taylor - Acta materialia, 2010 - Elsevier
It is known that fast-growing non-alumina scales in thermal barrier coating (TBC) systems
tend to form at features where aluminium depletion is enhanced due to a high surface-area …

Failure of thermal barrier coating systems under cyclic thermomechanical loading

E Tzimas, H Müllejans, SD Peteves, J Bressers… - Acta materialia, 2000 - Elsevier
The failure mechanisms of thermal barrier coating (TBC) systems applied on gas turbine
blades and vanes are investigated using thermomechanical fatigue (TMF) tests and finite …

Effect of processing parameters on MCrAlY bondcoat roughness and lifetime of APS–TBC systems

W Nowak, D Naumenko, G Mor, F Mor, DE Mack… - Surface and coatings …, 2014 - Elsevier
In the present work it is shown that the lifetime of air plasma sprayed thermal barrier coatings
systems with high velocity oxyfuel bondcoats can be substantially extended by application of …

Impact of the non-homogenous temperature distribution and the coatings process modeling on the thermal barrier coatings system

M Ranjbar-Far, J Absi, S Shahidi, G Mariaux - Materials & Design, 2011 - Elsevier
The present study deals with a numerical investigation of the residual stresses arising during
the plasma-sprayed coatings process and their effects on the final stress state of the thermal …