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@ARTICLE{Schlegel:256204,
author = {Schlegel, N. and Sebold, D. and Sohn, Y. J. and Mauer, G.
and Vassen, Robert},
title = {{C}ycling {P}erformance of a {C}olumnar-{S}tructured
{C}omplex {P}erovskite in a {T}emperature {G}radient {T}est},
journal = {Journal of thermal spray technology},
volume = {24},
number = {7},
issn = {1544-1016},
address = {Boston, Mass.},
publisher = {Springer},
reportid = {FZJ-2015-06188},
pages = {1205 - 1212},
year = {2015},
abstract = {To increase the efficiency of turbines for the power
generation and the aircraft industry, advanced thermal
barrier coatings (TBCs) are required. They need to be
long-term stable at temperatures higher than 1200 °C.
Nowadays, yttria partially stabilized zirconia (YSZ) is
applied as standard TBC material. But its long-term
application at temperatures higher than 1200 °C leads to
detrimental phase changes and sintering effects. Therefore,
new materials have to be investigated, for example, complex
perovskites. They provide high melting points, high thermal
expansion coefficients and thermal conductivities of approx.
2.0 W/(m K). In this work, the complex perovskite
La(Al1/4Mg1/2Ta1/4)O3 (LAMT) was investigated. It was
deposited by the suspension plasma spraying (SPS) process,
resulting in a columnar microstructure of the coating. The
coatings were tested in thermal cycling gradient tests and
they show excellent results, even though some phase
decomposition was found.},
cin = {IEK-1},
ddc = {670},
cid = {I:(DE-Juel1)IEK-1-20101013},
pnm = {113 - Methods and Concepts for Material Development
(POF3-113) / HITEC - Helmholtz Interdisciplinary Doctoral
Training in Energy and Climate Research (HITEC)
(HITEC-20170406)},
pid = {G:(DE-HGF)POF3-113 / G:(DE-Juel1)HITEC-20170406},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000363038600009},
doi = {10.1007/s11666-015-0254-y},
url = {https://juser.fz-juelich.de/record/256204},
}