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@ARTICLE{Cao:57124,
author = {Cao, X. Q. and Vaßen, R. and Jungen, W. and Schwartz, S.
and Tietz, F. and Stöver, D.},
title = {{T}hermal stability of lanthanum zirconate plasma-sprayed
coating},
journal = {Journal of the American Ceramic Society},
volume = {84},
issn = {0002-7820},
address = {Oxford [u.a.]},
publisher = {Wiley-Blackwell},
reportid = {PreJuSER-57124},
pages = {2086 - 2090},
year = {2001},
note = {Record converted from VDB: 12.11.2012},
abstract = {Lanthanum zirconate (La2Zr2O7, LZ) is a newly proposed
material for thermal barrier coatings (TBCs). The thermal
stability of LZ coating was studied in this work by
long-term annealing and thermal cycling. After long-term
annealing at 1400 degreesC or thermal cycling, both LZ
powder and plasma-sprayed coating still kept the pyrochlore
structure, and a preferred crystal growth direction in the
coating was observed by X-ray diffraction. A considerable
amount of La2O3 in the powder was evaporated in the plasma
flame, resulting in a nonstoichiometric coating.
Additionally, compared with the standard TBC material
yttria-stabilized zirconia (YSZ), LZ coating has a lower
thermal expansion coefficient, which leads to higher stress
levels in a TBC system.},
keywords = {J (WoSType)},
cin = {IWV-1},
ddc = {660},
cid = {I:(DE-Juel1)VDB5},
pnm = {Werkstoff- und Bauteilentwicklung für fortschrittliche
Kraftwerke},
pid = {G:(DE-Juel1)FUEK24},
shelfmark = {Materials Science, Ceramics},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000170962600026},
url = {https://juser.fz-juelich.de/record/57124},
}