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@ARTICLE{Zhou:866064,
author = {Zhou, Dapeng and Mack, Daniel Emil and Bakan, Emine and
Mauer, Georg and Sebold, Doris and Guillon, Olivier and
Vaßen, Robert},
title = {{T}hermal {C}ycling {P}erformances of {M}ultilayered
{Y}ttria {S}tabilized {Z}irconia/{G}adolinium {Z}irconate
{T}hermal {B}arrier {C}oatings},
journal = {Journal of the American Ceramic Society},
volume = {103},
number = {3},
issn = {1551-2916},
address = {Westerville, Ohio},
publisher = {Soc.},
reportid = {FZJ-2019-05304},
pages = {2048-2061},
year = {2020},
abstract = {Gadolinium zirconate (Gd2Zr2O7, GZO) as an advanced thermal
barrier coating (TBC) material, has lower thermal
conductivity, better phase stability, sintering resistance,
and calcium‐magnesium‐alumino‐silicates (CMAS) attack
resistance than yttria‐stabilized zirconia (YSZ, 6‐8
$wt\%)$ at temperatures above 1200°C. However, the
drawbacks of GZO, such as the low fracture toughness and the
formation of deleterious interphases with thermally grown
alumina have to be considered for the application as TBC.
Using atmospheric plasma spraying (APS) and suspension
plasma spraying (SPS), double‐layered YSZ/GZO TBCs, and
triple‐layered YSZ/GZO TBCs were manufactured. In thermal
cycling tests, both multilayered TBCs showed a significant
longer lifetime than conventional single‐layered APS YSZ
TBCs. The failure mechanism of TBCs in thermal cycling test
was investigated. In addition, the CMAS attack resistance of
both TBCs was also investigated in a modified burner rig
facility. The triple‐layered TBCs had an extremely long
lifetime under CMAS attack. The failure mechanism of TBCs
under CMAS attack and the CMAS infiltration mechanism were
investigated and discussed.},
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:000506691600053},
doi = {10.1111/jace.16862},
url = {https://juser.fz-juelich.de/record/866064},
}