Laves-phase in the China Low Activation Martensitic steel after long-term creep exposure

Lixin Huang, Xue Hu, Wei Yan, Wei Sha, Furen Xiao, Yiyin Shan, Ke Yang

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    Abstract

    Creep test at 600 °C under 130 MPa for the China Low Activation Martensitic (CLAM) steel was performed up to 7913 h in this study. According to the stress level, the crept specimen was divided into three regions in order to investigate the influence of stress on Laves-phase formation. In addition to the expected M23C6 carbide and MX carbonitride, the amount and the size of Laves phase in these three regions on the crept specimen were characterized by transmission electron microscopy. Laves phase could be found in all the regions and the creep stress could promote the formation of Laves phase.
    Original languageEnglish
    Pages (from-to)333–335
    Number of pages3
    JournalMaterials and Design
    Volume63
    Early online date20 Jun 2014
    DOIs
    Publication statusPublished - Nov 2014

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