Impression creep test of a P91 steel: a round robin programme. (2nd November 2018)

• Record Type: Journal Article
• Authors: Brett, S. J.; Dyson, C. N. C.; Purdy, D.; Shingledecker, J.; Rantala, J.; Eaton-Mckay, J.; Sun, W.
• Is Part Of: Materials at high temperatures. Volume 35:Number 6(2018)
• Page Start: 529
• Page End: 534
• Publication Date: 2018-11-02
• Subjects: Impression creep test -- P91 -- round robin programme; Materials at high temperatures -- Periodicals; High temperatures -- Periodicals; 620.1121705
• DOI: 10.1080/09603409.2017.1410330
• Languages: English
• ISSNs: 0960-3409

Abstract

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.