Impression creep test of a P91 steel: a round robin programme

S. J. Brett, C. N.C. Dyson, D. Purdy, J. Shingledecker, J. Rantala, J. Eaton-Mckay, W. Sun

    Research output: Contribution to journalArticleScientificpeer-review

    1 Citation (Scopus)

    Abstract

    The process of standardisation of small specimen creep testing techniques, specifically the impression creep test requires the repeatability of the test method. In this study it is accomplished through a round robin programme involving four different labs which have slightly different test set-ups adhering to predefined recommendations stated in previous work. The labs all conducted the same stepped stress test on a reference heat of grade 91 power plant steel and the displacement traces of the tests are analysed to outline the effects of different test set-ups and their efficacies. Main differences are in temperature control and loading application and control.

    Original languageEnglish
    Pages (from-to)529-534
    Number of pages6
    JournalMaterials at High Temperatures
    Volume35
    Issue number6
    Early online date2017
    DOIs
    Publication statusPublished - 2018
    MoE publication typeA1 Journal article-refereed

    Keywords

    • Impression creep test
    • P91
    • round robin programme

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