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Beneficial Effect of Pt and of Pre-Oxidation on the Oxidation Behaviour of an NiCoCrAlYTa Bond-Coating for Thermal Barrier Coating Systems

Vande Put, Aurélie and Oquab, Djar and Péré, Eve and Raffaitin, Aymeric and Monceau, Daniel Beneficial Effect of Pt and of Pre-Oxidation on the Oxidation Behaviour of an NiCoCrAlYTa Bond-Coating for Thermal Barrier Coating Systems. (2011) Oxidation of Metals, vol. 75 (n° 5-6). pp. 247-279. ISSN 0030-770X

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Official URL: http://dx.doi.org/10.1007/s11085-011-9241-y

Abstract

The oxidation behaviour of a thermal barrier coating (TBC) system is a major concern as the growth of the thermally grown oxide (TGO) layer on the bondcoating creates stresses that greatly favour the thermal barrier spallation. To delay the loss of the thermal protection provided, research has focused on the bondcoating composition and microstructure as well as on the parameters required for a suitable pre-oxidation treatment before the deposition of the ceramic top coat. Platinum is known to enhance the oxidation/corrosion resistance of MCrAlY coatings. The effect of Pt on the oxidation behaviour of a NiCoCrAlYTa coating was assessed in this study. In addition, pre-oxidation treatments were conducted to determine if the oxidation behaviour of the modified NiCoCrAlYTa coating could be further improved.

Item Type:Article
Additional Information:Thanks to Springer Verlag editor. The orinal version is available at http://www.springer.com/ The original PDF of the article can be found at Oxidation of Metals website: http://www.springerlink.com/content/q34g7165624r1g1k/?MUD=MP
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Other partners > Turbomeca (FRANCE)
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
Other partners > Université de Pau et des Pays de l'Adour - UPPA (FRANCE)
Laboratory name:
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Deposited By:Denis Faragou

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