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

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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    Brett, S. J., Dyson, C. N. C., Purdy, D., Shingledecker, J., Rantala, J., Eaton-Mckay, J., & Sun, W. (2018). Impression creep test of a P91 steel: a round robin programme. Materials at High Temperatures, 35(6), 529-534. https://doi.org/10.1080/09603409.2017.1410330