The use of APS thermal barrier coatings in corrosive environments

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dc.contributor.authorWells, Jonathan
dc.contributor.authorChapman, Neil
dc.contributor.authorSumner, Joy
dc.contributor.authorWalker, Paul
dc.date.accessioned2017-05-10T10:09:06Z
dc.date.available2017-05-10T10:09:06Z
dc.date.issued2017-02-25
dc.description.abstractThermal barrier coatings (TBC) can be used to reduce the metal temperature of gas turbine blades enabling higher Cr alloys (lower strength) to be used when gas turbines are to be used in corrosive environments (where hot corrosion resistance is required). However, the TBC must also be resistant to the corrosive environment and remain attached to the blade. A 1000 h test to evaluate air plasma-sprayed (APS) TBC adhesion to a low-pressure plasma-sprayed CoNiCrAlY bond coat (with and without through thickness cracking) under hot corrosion conditions at 850 °C has been carried out. The APS TBC significantly reduced the hot corrosion rate of the CoNiCrAlY; however, delamination cracking occurred with a thinner thermally grown oxide than would be expected from isothermal and cyclic oxidation testing.en_UK
dc.identifier.citationWells J, Chapman N, Sumner J, Walker P. (2018) The use of APS thermal barrier coatings in corrosive environments. Oxidation of Metals, Volume 88, Issue 1-2, August 2017, pp 97-108en_UK
dc.identifier.issn0030-770X
dc.identifier.urihttp://dx.doi.org/10.1007/s11085-017-9728-2
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/11870
dc.language.isoenen_UK
dc.publisherSpringeren_UK
dc.rightsAttribution 4.0 International
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectAPS TBCen_UK
dc.subjectHot corrosionen_UK
dc.subjectSpallationen_UK
dc.titleThe use of APS thermal barrier coatings in corrosive environmentsen_UK
dc.typeArticleen_UK

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