Modeling gas turbine materials’ hot corrosion degradation in combustion environments from H2‐rich syngas

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dc.contributor.authorSumner, Joy
dc.contributor.authorPotter, Andrew
dc.contributor.authorSimms, Nigel J.
dc.contributor.authorOakey, John
dc.date.accessioned2016-10-20T17:10:42Z
dc.date.available2016-10-20T17:10:42Z
dc.date.issued2016-09-07
dc.description.abstractComponents of gas turbines (such as blades, vanes, combustor cans) exposed to combustion environments at high temperature are susceptible to hot corrosion attack. To successfully plan maintenance and to determine whether to operate in novel combustion modes (e.g., in integrated gasification combined cycles that incorporate pre-combustion carbon capture) predictions of hot corrosion component life must be made. In this paper, hot corrosion datasets relating to two alloys, MarM 509 (a cobalt-based superalloy), and Rene 80 (a nickel-based superalloy) form the basis of hot corrosion predictive lifetime models. The model framework is based on the two stages of incubation and propagation, with the transitions from incubation to propagation around the samples being based on Weibull statistics. The impact of a range of temperatures (including 700 and 900 °C), gas compositions (simulating the combustion of natural gas, H2-rich syngas, or partially cleaned syngas), and deposit chemistries/fluxes have been assessed. Predictions have been made including the expected damage spread for a range of different exposure conditions.en_UK
dc.identifier.citationJoy Sumner, Andrew Potter, Nigel J. Simms and John E. Oakey. Modeling gas turbine materials’ hot corrosion degradation in combustion environments from H2‐rich syngas. Materials and Corrosion / Werkstoffe und Korrosion, Volume 68, Issue 2, February 2017, pp.205–214en_UK
dc.identifier.issn0947-5117
dc.identifier.urihttp://dx.doi.org/10.1002/maco.201508779
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/10808
dc.language.isoenen_UK
dc.publisherWileyen_UK
dc.rightsAttribution-NonCommercial 3.0 International
dc.rights.urihttp://creativecommons.org/licenses/by-nc/3.0/
dc.subjectH2-IGCCen_UK
dc.subjecthot corrosionen_UK
dc.subjectincubationen_UK
dc.subjectlifetimeen_UK
dc.subjectMarM 509en_UK
dc.subjectmodelingen_UK
dc.subjectpropagationen_UK
dc.subjectRene 80en_UK
dc.subjectsuperalloysen_UK
dc.subjectWeibull statisticsen_UK
dc.titleModeling gas turbine materials’ hot corrosion degradation in combustion environments from H2‐rich syngasen_UK
dc.typeArticleen_UK

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