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@ARTICLE{Zhou:857854,
author = {Zhou, Dapeng and Malzbender, Jürgen and Sohn, Yoo Jung and
Guillon, Olivier and Vaßen, Robert},
title = {{S}intering {B}ehavior of {C}olumnar {T}hermal {B}arrier
{C}oatings {D}eposited by {A}xial {S}uspension {P}lasma
{S}praying ({SPS})},
journal = {Journal of the European Ceramic Society},
volume = {39},
number = {2-3},
issn = {0955-2219},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2018-06817},
pages = {482 - 490},
year = {2019},
abstract = {During the last decade, Suspension Plasma Spraying (SPS)
attracted a lot of interest as an alternative process to
produce columnar Thermal Barrier Coatings (TBCs). In this
study, columnar TBCs were deposited with SPS. After
spraying, samples were isothermally annealed at 1373 K for
1 h, 3 h, 10 h and 50 h, respectively.
Microstructures and mechanical properties of the ceramic
coatings were investigated as a function of annealing time.
Annealing resulted in healing of micro-cracks, coarsening of
pores, growth of domain size, companied with a decrease of
porosity within columns. The change of coating
microstructure led to change of mechanical properties. In
addition, residual stress in SPS coatings was also
investigated. Furthermore, as-sprayed coatings and
pre-annealed coatings were subjected to burner rig tests.
Short time pre-annealing allowed to enhance thermal cycling
lifetime of such SPS coatings. The thermal cycling results
were related to microstructure modifications of coatings.},
cin = {IEK-1 / IEK-2},
ddc = {660},
cid = {I:(DE-Juel1)IEK-1-20101013 / I:(DE-Juel1)IEK-2-20101013},
pnm = {111 - Efficient and Flexible Power Plants (POF3-111)},
pid = {G:(DE-HGF)POF3-111},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000450379400043},
doi = {10.1016/j.jeurceramsoc.2018.09.020},
url = {https://juser.fz-juelich.de/record/857854},
}