Thermal cycling of suspension plasma sprayed Alumina-YSZ coatings containing amorphous phases

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DOIResolve DOI: http://doi.org/10.1111/j.1551-2916.2012.05292.x
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TypeArticle
Journal titleJournal of the American Ceramic Society
Volume95
Issue8
Pages26142621; # of pages: 8
Subjectthermal cyclic test; amorphous phase; composite ceramic; alumina-zirconia; thermal barrier coating
AbstractThermal cyclic test at 1080°C for various numbers of cycles was performed on suspension plasma-sprayed coatings of alumina-yttria-stabilized zirconia composites and yttria-stabilized zirconia (YSZ). The structural variations of composite coatings were studied to verify the possibility of production of nano-composite coatings with nano-dispersed oxides. The results showed that this composite exhibited a lower thermally grown oxide growth than that of the YSZ. New multi-constituent composites formed of alternative regions of nano-precipitates of alumina in zirconia matrix and nano-precipitates of zirconia in alumina matrix were developed via phase transformation through thermal cyclic process of amorphous-containing structure.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Industrial Materials Institute
Peer reviewedYes
NRC number139271
NPARC number21050371
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Record identifierff825d2a-9ff7-4155-acec-c3fb0af98948
Record created2012-11-29
Record modified2016-05-09
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