Study of the amplitude-dependent mechanical behaviour of yttria-stabilised zirconia thermal barrier coatings

N. Tassini, K. Lambrinou, I. Mircea, M. Bartsch, S. Patsias, O. Van der Biest

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

Widely used in turbines for propulsion and power generation, thermal barrier coatings (TBCs) increase the efficiency of turbine engines by allowing them to work at higher temperatures, due to their thermal insulating properties. Typically TBC systems consist of a metallic bondcoat (BC) and a ceramic topcoat (TC). Previous research has revealed that ceramic TCs possess an amplitude-dependent mechanical behaviour and that they can be used as damping treatments, due to their good damping properties. The microstructure and the properties of ceramic TCs vary significantly depending on the employed deposition technique. This work investigates the differences in the mechanical behaviour of yttria-stabilised zirconia (YSZ with 8 wt% yttria) TC deposited by atmospheric plasma spraying (APS) and electron beam-physical vapour deposition (EB-PVD), by means of tests run with the amplitude dependent damping (ADD) test rig and of scanning electron microscopy (SEM) analysis.

LanguageEnglish
Pages1487-1491
Number of pages5
JournalJournal of the European Ceramic Society
Volume27
Issue number2-3
Early online date12 Jun 2006
DOIs
Publication statusPublished - 2007
Externally publishedYes

Fingerprint

Thermal barrier coatings
Yttria stabilized zirconia
Damping
Turbines
Yttrium oxide
Plasma spraying
Physical vapor deposition
Propulsion
Power generation
Electron beams
Microstructure
Scanning electron microscopy
Temperature

Cite this

Tassini, N. ; Lambrinou, K. ; Mircea, I. ; Bartsch, M. ; Patsias, S. ; Van der Biest, O. / Study of the amplitude-dependent mechanical behaviour of yttria-stabilised zirconia thermal barrier coatings. In: Journal of the European Ceramic Society. 2007 ; Vol. 27, No. 2-3. pp. 1487-1491.
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Study of the amplitude-dependent mechanical behaviour of yttria-stabilised zirconia thermal barrier coatings. / Tassini, N.; Lambrinou, K.; Mircea, I.; Bartsch, M.; Patsias, S.; Van der Biest, O.

In: Journal of the European Ceramic Society, Vol. 27, No. 2-3, 2007, p. 1487-1491.

Research output: Contribution to journalArticle

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