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@ARTICLE{Lv:863608,
author = {Lv, Bowen and Mücke, Robert and Zhou, Dapeng and Fan,
Xueling and Wang, Tiejun J. and Guillon, Olivier and Vaßen,
Robert},
title = {{A} constitutive model for the sintering of suspension
plasma‐sprayed thermal barrier coating with vertical
cracks},
journal = {Journal of the American Ceramic Society},
volume = {102},
number = {10},
issn = {1551-2916},
address = {Westerville, Ohio},
publisher = {Soc.},
reportid = {FZJ-2019-03620},
pages = {6202-6212},
year = {2019},
abstract = {The degradation of mechanical properties due to sintering
is one of the major issues during high temperature service
of thermal barrier coating system for advanced gas turbines.
In this study, a constitutive model was developed by the
variational principle, based on the experimentally observed
microstructure features of suspension plasma‐sprayed
thermal barrier coatings. The constitutive model was further
implemented in finite element analysis software, in order to
investigate the effect of vertical cracks. The evolution of
microstructure during sintering, coating shrinkage and
mechanical degradation were predicted. The numerical
predictions of Young's modulus were generally in agreement
with experimental results. Furthermore, the effect of
vertical cracks on the strain tolerance and sintering
resistance were discussed. It was confirmed that the
introduction of vertical cracks contributed to the
improvement of both properties.},
cin = {IEK-1 / JARA-ENERGY},
ddc = {660},
cid = {I:(DE-Juel1)IEK-1-20101013 / $I:(DE-82)080011_20140620$},
pnm = {113 - Methods and Concepts for Material Development
(POF3-113)},
pid = {G:(DE-HGF)POF3-113},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000478649200049},
doi = {10.1111/jace.16491},
url = {https://juser.fz-juelich.de/record/863608},
}