Impression creep test of a P91 steel: a round robin programmeTools Brett, S.J., Dyson, C.N.C., Purdy, D., Shingledecker, J., Rantala, J., Eaton-Mckay, J. and Sun, Wei (2018) Impression creep test of a P91 steel: a round robin programme. Materials at High Temperatures, 35 (1). pp. 529-534. ISSN 1878-6413 Full text not available from this repository.AbstractThe 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.
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