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 …

Analysis of residual stresses in thermal barrier coatings

V Teixeira, M Andritschky, W Fischer… - Journal of Materials …, 1999 - Elsevier
Stabilized zirconia coatings are used as thermal barrier coatings (TBCs) because of their
ability to improve the performance and efficiency of gas turbine engines by allowing higher …

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 …

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 …

[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 …

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 …

Effect of residual stresses on air plasma sprayed thermal barrier coatings

AN Khan, J Lu, H Liao - Surface and Coatings Technology, 2003 - Elsevier
Thermal barrier coating with a CoNiCrAlY bond coating and a 0.3 mm thick zirconia,(7%
yttria stabilized) top coating were air plasma sprayed onto a Hastelloy-X nickel based super …

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 …

Stiffness of plasma sprayed thermal barrier coatings

S Paul - Coatings, 2017 - mdpi.com
Thermal spray coatings (TSCs) have complex microstructures and they often operate in
demanding environments. Plasma sprayed (PS) thermal barrier coating (TBC) is one such …

The effect of heat treatment on the stiffness of zirconia top coats in plasma-sprayed TBCs

JA Thompson, TW Clyne - Acta materialia, 2001 - Elsevier
Thermal barrier coating (TBC) specimens have been prepared by plasma spraying. A
vacuum plasma spray (VPS) MCrAlY bond coat and atmospheric plasma spray (APS) …