[HTML][HTML] Effects of three-dimensional coating interfaces on thermo-mechanical stresses within plasma spray thermal barrier coatings

S Kyaw, A Jones, MAE Jepson, T Hyde, RC Thomson - Materials & Design, 2017 - Elsevier
It has been acknowledged that stresses within a thermal barrier coating (TBC) and its
durability are significantly affected by the coating interfaces. This paper presents a finite …

Simulation of the effect of material properties and interface roughness on the stress distribution in thermal barrier coatings using finite element method

M Ranjbar-Far, J Absi, G Mariaux, F Dubois - Materials & Design, 2010 - Elsevier
A Finite Element Model (FEM) was developed to evaluate the stresses induced by the
thermal cycling in a typical plasma-sprayed thermal barrier coating system (TBCs). The …

Stress and cracking behavior of plasma sprayed thermal barrier coatings using an advanced constitutive model

W Xie, E Jordan, M Gell - Materials Science and Engineering: A, 2006 - Elsevier
A finite element simulation of a plasma sprayed thermal barrier coating (TBC) system
represented as a three-layer structure with an interface asperity is presented. Loading due to …

Surface-roughness induced residual stresses in thermal barrier coatings: computer simulations

CH Hsueh, PF Becher, ER Fuller, SA Langer… - Materials science …, 1999 - Trans Tech Publ
Adherence of plasma-sprayed thermal barrier coatings (TBC's) during deposition is strongly
dependent on a rough metallic bond-coat surface topology. However, the resultant …

Stress distributions in plasma-sprayed thermal barrier coatings as a function of interface roughness and oxide scale thickness

M Ahrens, R Vaßen, D Stöver - Surface and Coatings Technology, 2002 - Elsevier
During thermal cyclic loading, plasma-sprayed thermal barrier coatings (TBCs) often show
failure within the top coat close to the interface. In all cases this results from crack …

Strain dependent stiffness of plasma sprayed thermal barrier coatings

T Wakui, J Malzbender, RW Steinbrech - Surface and coatings technology, 2006 - Elsevier
The strain dependency of the stiffness of bonded and free-standing thermal barrier coatings
(TBCs) was analyzed using four point bending. The deformation in top and side face of the …

Modelled and measured residual stresses in plasma sprayed thermal barrier coatings

P Bengtsson, C Persson - Surface and Coatings Technology, 1997 - Elsevier
Thermal barrier coatings consisting of a NiCrAlY bond coating and a 1.4 mm thick partially
stabilised zirconia top coating were air plasma sprayed onto grit blasted nickel-base …

Strain analysis of plasma sprayed thermal barrier coatings under mechanical stress

T Wakui, J Malzbender, RW Steinbrech - Journal of thermal spray …, 2004 - Springer
The stiffness of air plasma sprayed (APS) thermal barrier coatings (TBCs) was determined
from bending experiments combining strain analysis on a microstructural level with …

Finite element simulation of stresses in a plasma-sprayed thermal barrier coating with an irregular top-coat/bond-coat interface

K Slámečka, P Skalka, J Pokluda, L Čelko - Surface and Coatings …, 2016 - Elsevier
A three-dimensional finite element model of a conventional plasma-sprayed thermal barrier
coating was set up with an irregular top-coat/bond-coat interface that was modelled based …

Development of a micromechanical life prediction model for plasma sprayed thermal barrier coatings

R Vaßen, G Kerkhoff, D Stöver - Materials Science and Engineering: A, 2001 - Elsevier
A widely used method to produce thermal barrier coating (TBC) systems is the vacuum
plasma spraying of a highly dense bondcoat layer with a defined surface roughness and the …