Microscopical investigation of steamside oxide on X20CrMoV121 superheater tubes

Melanie Montgomery; Anette Nørgaard Hansson; Søren A. Jensen; Tommy Vilhelmsen

doi:10.3184/096034011X13193011857304

Microscopical investigation of steamside oxide on X20CrMoV121 superheater tubes

Melanie Montgomery, Anette Nørgaard Hansson, Søren A. Jensen, Tommy Vilhelmsen

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

X20CrMoV121 is a 12%Cr martensitic steel which has been used in power plants in Europe for many decades. Superheater tubes exposed for various durations up to 135,000 hours in power plants in Denmark at steam temperatures varying from 450 to 575°C were investigated. Light optical and scanning electron microscopy was used to investigate steamside oxide morphologies. At all temperatures there is a double layered oxide, however, the inner:outer oxide thickness is not always equal. At the lower steam temperature range of

Original language	English
Journal	Materials at High Temperatures
Volume	28
Issue number	4
Pages (from-to)	355-360
ISSN	0960-3409
DOIs	https://doi.org/10.3184/096034011X13193011857304
Publication status	Published - 2011

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abstract = "X20CrMoV121 is a 12%Cr martensitic steel which has been used in power plants in Europe for many decades. Superheater tubes exposed for various durations up to 135,000 hours in power plants in Denmark at steam temperatures varying from 450 to 575°C were investigated. Light optical and scanning electron microscopy was used to investigate steamside oxide morphologies. At all temperatures there is a double layered oxide, however, the inner:outer oxide thickness is not always equal. At the lower steam temperature range of ",

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AB - X20CrMoV121 is a 12%Cr martensitic steel which has been used in power plants in Europe for many decades. Superheater tubes exposed for various durations up to 135,000 hours in power plants in Denmark at steam temperatures varying from 450 to 575°C were investigated. Light optical and scanning electron microscopy was used to investigate steamside oxide morphologies. At all temperatures there is a double layered oxide, however, the inner:outer oxide thickness is not always equal. At the lower steam temperature range of

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DO - 10.3184/096034011X13193011857304

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Microscopical investigation of steamside oxide on X20CrMoV121 superheater tubes

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