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

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dc.contributor.authorTryon, B.
dc.contributor.authorFeng, Q.
dc.contributor.authorWellman, R. G.
dc.contributor.authorMurphy, K. S.
dc.contributor.authorYang, J.
dc.contributor.authorLevi, C.G.
dc.contributor.authorNicholls, John R.
dc.contributor.authorPollock, T. M.
dc.date.accessioned2011-01-07T12:20:42Z
dc.date.available2011-01-07T12:20:42Z
dc.date.issued2006-11
dc.description.abstractDiffusional 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.identifier.citationB. 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 3347-3358en_UK
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/4715
dc.identifier.urihttp://dx.doi.org/10.1007/BF02586169
dc.language.isoenen_UK
dc.publisherSpringer Verlagen_UK
dc.rightsThe original publication is available at www.springerlink.com
dc.subjectRuthenium aluminideen_UK
dc.subjectThermal barrier coatingsen_UK
dc.subjectBond coaten_UK
dc.subjectInterdiffusionen_UK
dc.titleMulti-layered Ruthenium-modified Bond Coats for Thermal Barrier Coatingsen_UK
dc.typeConference paperen_UK

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