Performance of high-temperature materials for efficient power plants: The waterside challenge

    Research output: Contribution to journalArticleScientificpeer-review

    Abstract

    Supercritical (SC) service at high operating values aims for good plant efficiency, but the waterside oxidation resistance can then become life-limiting. In this paper, selected materials and modeling options are compared for life assessment under waterside SC oxidation, particularly for thermal power plants that increasingly need to accommodate cyclic service, fast ramping, and low minimum loads to an extent to which the conventional design practices and materials solutions only partially accounted. For example, the life reduction by high-temperature oxidation and corrosion via lost load-bearing wall thickness is more easily accommodated than the impact on crack growth or material ductility.

    Original languageEnglish
    Article number031009
    JournalJournal of Nuclear Engineering and Radiation Science
    Volume2
    Issue number3
    DOIs
    Publication statusPublished - 1 Jul 2016
    MoE publication typeA1 Journal article-refereed

    Fingerprint

    refractory materials
    power plants
    Power plants
    oxidation
    turbogenerators
    oxidation resistance
    Bearings (structural)
    ductility
    corrosion
    cracks
    Thermooxidation
    Oxidation resistance
    Temperature
    Ductility
    Crack propagation
    Corrosion
    Oxidation

    Cite this

    @article{65bbac908815464ca8ec734196ad7ac3,
    title = "Performance of high-temperature materials for efficient power plants: The waterside challenge",
    abstract = "Supercritical (SC) service at high operating values aims for good plant efficiency, but the waterside oxidation resistance can then become life-limiting. In this paper, selected materials and modeling options are compared for life assessment under waterside SC oxidation, particularly for thermal power plants that increasingly need to accommodate cyclic service, fast ramping, and low minimum loads to an extent to which the conventional design practices and materials solutions only partially accounted. For example, the life reduction by high-temperature oxidation and corrosion via lost load-bearing wall thickness is more easily accommodated than the impact on crack growth or material ductility.",
    author = "Pertti Auerkari and Sanni Yli-Olli and Sami Penttil{\"a} and Satu Tuurna and Rami Pohja",
    year = "2016",
    month = "7",
    day = "1",
    doi = "10.1115/1.4032783",
    language = "English",
    volume = "2",
    journal = "Journal of Nuclear Engineering and Radiation Science",
    issn = "2332-8983",
    publisher = "American Society of Mechanical Engineers ASME",
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    }

    Performance of high-temperature materials for efficient power plants : The waterside challenge. / Auerkari, Pertti; Yli-Olli, Sanni; Penttilä, Sami; Tuurna, Satu; Pohja, Rami.

    In: Journal of Nuclear Engineering and Radiation Science, Vol. 2, No. 3, 031009, 01.07.2016.

    Research output: Contribution to journalArticleScientificpeer-review

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    T1 - Performance of high-temperature materials for efficient power plants

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    AU - Auerkari, Pertti

    AU - Yli-Olli, Sanni

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    AU - Tuurna, Satu

    AU - Pohja, Rami

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    AB - Supercritical (SC) service at high operating values aims for good plant efficiency, but the waterside oxidation resistance can then become life-limiting. In this paper, selected materials and modeling options are compared for life assessment under waterside SC oxidation, particularly for thermal power plants that increasingly need to accommodate cyclic service, fast ramping, and low minimum loads to an extent to which the conventional design practices and materials solutions only partially accounted. For example, the life reduction by high-temperature oxidation and corrosion via lost load-bearing wall thickness is more easily accommodated than the impact on crack growth or material ductility.

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