Thermal barrier coatings adherence and spallation: Interfacial indentation resistance and cyclic oxidation behaviour under thermal gradient - Archive ouverte HAL Access content directly
Journal Articles Surface and Coatings Technology Year : 2009

Thermal barrier coatings adherence and spallation: Interfacial indentation resistance and cyclic oxidation behaviour under thermal gradient

Vanessa Vidal
Philippe Lours
Yannick Le Maoult

Abstract

One of the most critical damage of Thermal barrier coatings (TBC) results from the spallation of the yttria stabilized zirconia (YSZ) layer. The toughness of the interface between the bond coat (BC) and the top coat (TC), measured using indentation technique, is the main parameter that controls the adherence of the zirconia layer. Cyclic oxidation tests, with and without through thickness thermal gradient, are performed and monitored to investigate spallation mechanisms and overall TBC durability.
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Dates and versions

hal-01709501 , version 1 (25-04-2019)

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Julien Sniezewski, Vanessa Vidal, Philippe Lours, Yannick Le Maoult. Thermal barrier coatings adherence and spallation: Interfacial indentation resistance and cyclic oxidation behaviour under thermal gradient. Surface and Coatings Technology, 2009, 204 (6-7), pp.807-811. ⟨10.1016/j.surfcoat.2009.09.062⟩. ⟨hal-01709501⟩
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