Lifetime prediction techniques for nuclear power plant systems

Irina Aho-Mantila, Otso Cronvall, Ulla Ehrnstén, Heikki Keinänen, Rauno Rintamaa, Arja Saarenheimo, Kaisa Simola, Erkki Vesikari

    Research output: Chapter in Book/Report/Conference proceedingChapter or book articleScientificpeer-review

    1 Citation (Scopus)

    Abstract

    Advanced lifetime prediction methodologies are necessary in securing the safe and reliable operation of nuclear power plants. Stress corrosion cracking is the most common corrosion mechanism, which can cause a major integrity loss in metallic components. The cracking is caused by the combined action of corrosion, tensile stresses and a susceptible material. Risk-informed inspection is a more recent technique for better focusing of in-service inspections. Stress corrosion cracking is considered in the lifetime analyses. In addition to the metallic materials, there are also non-metallic components, whose lifetime can restrict the lifetime of a plant. In this chapter, lifetime prediction principles in case of concrete structures are also introduced.
    Original languageEnglish
    Title of host publicationNuclear Corrosion Science and Engineering
    EditorsDamien Féron
    Place of PublicationCambridge, UK
    PublisherWoodhead Publishing
    Chapter14
    Pages449-470
    ISBN (Electronic)9780857095343
    ISBN (Print)978-1-84569-765-5
    DOIs
    Publication statusPublished - 2012
    MoE publication typeA3 Part of a book or another research book

    Publication series

    SeriesWoodhead publishing series in energy
    VolumeNumber 22

    Keywords

    • ageing
    • lifetime
    • safety
    • PLIM (plant life management)
    • LTO (long-term operation)
    • NULIFE (nuclear plant life prediction)

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