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@ARTICLE{Gatzen:865529,
author = {Gatzen, Caren and Mack, Daniel Emil and Guillon, Olivier
and Vaßen, Robert},
title = {{YA}l{O}3—{A} {N}ovel {E}nvironmental {B}arrier {C}oating
for {A}l2{O}3/{A}l2{O}3–{C}eramic {M}atrix {C}omposites},
journal = {Coatings},
volume = {9},
number = {10},
issn = {2079-6412},
address = {Basel},
publisher = {MDPI},
reportid = {FZJ-2019-04913},
pages = {609 -},
year = {2019},
abstract = {Ceramic matrix composites (CMCs) are promising materials
for high-temperature applications. Environmental barrier
coatings (EBCs) are needed to protect the components against
water vapor attack. A new potential EBC material, YAlO3, was
studied in this paper. Different plasma-spraying techniques
were used for the production of coatings on an alumina-based
CMC, such as atmospheric plasma spraying (APS) and very low
pressure plasma spraying (VLPPS). No bond coats or surface
treatments were applied. The performance was tested by
pull–adhesion tests, burner rig tests, and
calcium-magnesium-aluminum-silicate (CMAS) corrosion tests.
The samples were subsequently analyzed by means of X-ray
diffraction, scanning electron microscopy, and
energy-dispersive X-ray spectroscopy. Special attention was
paid to the interaction at the interface between coating and
substrate. The results show that fully crystalline and good
adherent YAlO3 coatings can be produced without further
substrate preparation such as surface pretreatment or bond
coat application. The formation of a thin reaction layer
between coating and substrate seems to promote adhesion},
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:000498263900017},
doi = {10.3390/coatings9100609},
url = {https://juser.fz-juelich.de/record/865529},
}