Microstructure stability of candidate stainless steels for Gen-IV SCWR fuel cladding application

J Li (Corresponding Author), W Zheng, Sami Penttilä, P Liu, O T Woo, D Guzonas

    Research output: Contribution to journalArticleScientificpeer-review

    23 Citations (Scopus)

    Abstract

    In the past few years, significant progress has been made in materials selection for Gen-IV SCWR fuel cladding applications. Current studies indicate that austenite stainless steels such as 310H are promising candidates for in-core applications. Alloys in this group are promising for their corrosion resistance, SCC resistance, high temperature mechanical properties and creep resistance at temperatures up to 700 °C. However, one under-studied area of this alloy is the long-term microstructure stability under the proposed reactor operating condition. Unstable microstructure not only results in embrittlement but also has the potential to reduce their resistance to corrosion or stress-corrosion cracking. In this study, stainless steels 310H and 304H were tested for their SCWR corrosion resistance and microstructure stability.
    Original languageEnglish
    Pages (from-to)7-11
    Number of pages5
    JournalJournal of Nuclear Materials
    Volume454
    Issue number1-3
    DOIs
    Publication statusPublished - 2014
    MoE publication typeA1 Journal article-refereed

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