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@ARTICLE{Mauer:21054,
author = {Mauer, G. and Sebold, D. and Vaßen, R. and Stöver, D.},
title = {{I}mproving {A}tmospheric {P}lasma {S}praying of
{Z}irconate {T}hermal {B}arrier {C}oatings {B}ased on
{P}article {D}iagnostics},
journal = {Journal of thermal spray technology},
volume = {21},
number = {3-4},
issn = {1059-9630},
address = {Boston, Mass.},
publisher = {Springer},
reportid = {PreJuSER-21054},
pages = {363-371},
year = {2012},
note = {Record converted from VDB: 12.11.2012},
abstract = {Lanthanum zirconate (La2Zr2O7) has been proposed as a
promising material for thermal barrier coatings. During
atmospheric plasma spraying (APS) of La2Zr2O7 a considerable
amount of La2O3 can evaporate in the plasma flame, resulting
in a non-stoichiometric coating. As indicated in the phase
diagram of the La2O3-ZrO2 system, in the composition range
of pyrochlore structure, the stoichiometric La2Zr2O7 has the
highest melting point and other compositions are eutectic.
APS experiments were performed with a TriplexPro (TM)-200
plasma torch at different power levels to achieve different
degrees of evaporation and thus stoichiometry. For
comparison, some investigations on gadolinium zirconate
(Gd2Zr2O7) were included, which is less prone to evaporation
and formation of non-stoichiometry. Particle temperature
distributions were measured by the DPV-2000 diagnostic
system. In these distributions, characteristic peaks were
detected at specific torch input powers indicating
evaporation and solidification processes. Based on this,
process parameters can be defined to provide stoichiometric
coatings that show good thermal cycling performance.},
keywords = {J (WoSType)},
cin = {IEK-1},
ddc = {670},
cid = {I:(DE-Juel1)IEK-1-20101013},
pnm = {Rationelle Energieumwandlung},
pid = {G:(DE-Juel1)FUEK402},
shelfmark = {Materials Science, Coatings $\&$ Films},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000303472800002},
doi = {10.1007/s11666-011-9706-1},
url = {https://juser.fz-juelich.de/record/21054},
}