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Chromia layer growt...
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Cruchley, SUniversity of Birmingham, England
(author)
Chromia layer growth on a Ni-based superalloy: Sub-parabolic kinetics and the role of titanium
- Article/chapterEnglish2013
Publisher, publication year, extent ...
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Elsevier,2013
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electronicrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:liu-97430
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-97430URI
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https://doi.org/10.1016/j.corsci.2013.05.016DOI
Supplementary language notes
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Language:English
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Summary in:English
Part of subdatabase
Classification
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Funding Agencies|Engineering and Physical Sciences Research Council||Rolls-Royce plc||
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Oxidation of the Ni-based superalloy RR1000 has been undertaken in air over the temperature range 600-900 degrees C for times up to 5000 h. The surface oxide consisted of a protective Ti-doped chromia layer but with rutile forming on its outer surface. Sub-surface oxidation of Al and Ti also occurred. The thickening kinetics of the chromia layer were sub-parabolic with initial rates around two orders of magnitude higher than expected for Ti-free chromia. This enhancement and the sub-parabolic kinetics are accounted for by Ti-doping of the chromia layer. Over time the enhancement reduced because of Ti-depletion in the alloy.
Subject headings and genre
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Superalloys
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Oxidation
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Selective Oxidation
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TECHNOLOGY
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TEKNIKVETENSKAP
Added entries (persons, corporate bodies, meetings, titles ...)
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Evans, H E.University of Birmingham, England
(author)
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Taylor, M P.University of Birmingham, England
(author)
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Hardy, M C.Rolls Royce Plc, England
(author)
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Stekovic, SvjetlanaLinköpings universitet,Konstruktionsmaterial,Tekniska högskolan(Swepub:liu)svest75
(author)
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University of Birmingham, EnglandRolls Royce Plc, England
(creator_code:org_t)
Related titles
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In:Corrosion Science: Elsevier75, s. 58-660010-938X1879-0496
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