Recommendation for creep and creep-fatigue assessment for P91 components

Rami Pohja, Stefan Holmström, Hyeong-Yeon Lee

    Research output: Book/ReportReport

    Abstract

    This report is based on the results and experience gained in assessing both public domain and MATTER data, some previously reported in the MATTER deliverable D4.5: "Creep-fatigue interaction rules for P91" and some assessed here. A number of methods, including interaction diagram based methods and simplified methods, have been compared for predicting the creep-fatigue life of P91 steel. The effect of cyclic softening on creep properties have been considered in the evaluations presented in this report. The purpose of this report is to give recommendations for creep and creep-fatigue assessment for components made of X10CrMoVNb9-1 (P91) steel.
    Original languageEnglish
    Number of pages43
    Publication statusPublished - 2015
    MoE publication typeD4 Published development or research report or study

    Keywords

    • creep-fatigue
    • nuclear design codes
    • P91 steel

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