Multi-layered Ruthenium-modified Bond Coats for Thermal Barrier Coatings

Show simple item record Tryon, B. Feng, Q. Wellman, R. G. Murphy, K. S. Yang, J. Levi, C.G. Nicholls, J. R. Pollock, T. M. 2011-01-07T12:20:42Z 2011-01-07T12:20:42Z 2006-11
dc.identifier.citation B. Tryon, Q. Feng, R.G. Wellman, K.S. Murphy, J. Yang, C.G. Levi, J.R. Nicholls, T.M. Pollock, Multi-layered Ruthenium-modified Bond Coats for Thermal Barrier Coatings, Metallurgical and Materials Transactions A, Volume 37, Number 11, November 2006, Pages 3347-3358 en_UK
dc.description.abstract Diffusional approaches for fabrication of multi-layered Ru-modified bond coats for thermal barrier coatings have been developed via low activity chemical vapor deposition and high activity pack aluminization. Both processes yield bond coats comprising two distinct B2 layers, based on NiAl and RuAl, however, the position of these layers relative to the bond coat surface is reversed when switching processes. The structural evolution of each coating at various stages of the fabrication process has been and subsequent cyclic oxidation is presented, and the relevant interdiffusion and phase equilibria issues in are discussed. Evaluation of the oxidation behavior of these Ru-modified bond coat structures reveals that each B2 interlayer arrangement leads to the formation of α-Al 2 O 3 TGO at 1100°C, but the durability of the TGO is somewhat different and in need of further improvement in both cases. en_UK
dc.language.iso en en_UK
dc.publisher Springer Verlag en_UK
dc.rights The original publication is available at
dc.subject Ruthenium aluminide en_UK
dc.subject Thermal barrier coatings en_UK
dc.subject Bond coat en_UK
dc.subject Interdiffusion en_UK
dc.title Multi-layered Ruthenium-modified Bond Coats for Thermal Barrier Coatings en_UK
dc.type Conference paper en_UK

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