Assessment of Coating Performance on Waterwalls and Superheaters in a Pulverised Fuel-Fired Power Station

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dc.contributor.authorSimms, Nigel J.
dc.contributor.authorSeraffon, Maud
dc.contributor.authorPidcock, Andrew
dc.contributor.authorDavis, Colin
dc.date.accessioned2017-01-13T12:21:15Z
dc.date.available2017-01-13T12:21:15Z
dc.date.issued2017-01-11
dc.description.abstractProtective coatings offer one route to increase the lives of heat exchangers in pulverised fuel power plants. A range of candidate coatings have been exposed on the waterwall and superheaters of a 500 MWe UK power station unit for periods of up to ~4 years (24,880 operating hours), during which time this unit was fired on a mixture of UK and world-traded coals. Both nickel- and iron-based candidate coatings were included, applied using high velocity oxy-fuel or arc-wire process; a selection of these also had a surface sealant applied to investigate its effectiveness. Dimensional metrology was used to evaluate coating performances, with SEM/EDX examinations used to investigate the various degradation mechanisms found. Both the waterwall and superheater environments generated their characteristic corrosion damage morphologies which depended on the radial positions around the tube. Coating performances were found to depend on the initial coating quality rather than composition, and were not improved by the use of a sealant.en_UK
dc.identifier.citationNigel Simms, Maud Seraffon, Andy Pidcock, Colin Davis, Assessment of Coating Performance on Waterwalls and Superheaters in a Pulverised Fuel-Fired Power Station, Oxidation of Metals, First Online: 11 January 2017, DOI: 10.1007/s11085-016-9680-6en_UK
dc.identifier.issn0030-770X
dc.identifier.urihttp://dx.doi.org/10.1007/s11085-016-9680-6
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/11271
dc.language.isoenen_UK
dc.publisherSpringeren_UK
dc.rightsThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. You are free to: Share — copy and redistribute the material in any medium or format, Adapt — remix, transform, and build upon the material for any purpose, even commercially. The licensor cannot revoke these freedoms as long as you follow the license terms. Under the following terms: Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. Information: No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.
dc.subjectCoatingsen_UK
dc.subjectFireside corrosionen_UK
dc.subjectPulverised fuel combustionen_UK
dc.subjectWaterwalls and superheatersen_UK
dc.titleAssessment of Coating Performance on Waterwalls and Superheaters in a Pulverised Fuel-Fired Power Stationen_UK
dc.typeArticleen_UK

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