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Low cycle fatigue behaviour of ODS steels for nuclear application
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SYSNO ASEP 0368992 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Low cycle fatigue behaviour of ODS steels for nuclear application Author(s) Kuběna, Ivo (UFM-A) RID, ORCID
Kruml, Tomáš (UFM-A) RID, ORCID
Fournier, B. (FR)
Polák, Jaroslav (UFM-A) RID, ORCIDNumber of authors 4 Source Title Key Engineering Materials - ISSN 1013-9826
Roč. 465, - (2011), s. 556-559Number of pages 4 s. Language eng - English Country CH - Switzerland Keywords Generation IV nuclear reactors ; fusion energy ; ODS steels ; low cycle fatigue ; cyclic softening Subject RIV JL - Materials Fatigue, Friction Mechanics R&D Projects GA106/09/1954 GA ČR - Czech Science Foundation (CSF) GA101/09/0867 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20410507 - UFM-A (2005-2011) UT WOS 000291704700131 DOI 10.4028/www.scientific.net/KEM.465.556 Annotation This study deals with the low cycle fatigue (LCF) behaviour of two steels strengthened by oxide dispersion. The ODS Eurofer steel shows cyclic softening, slower than in the case of the same steel without oxide particles. The 14Cr ODS ferritic steel is cyclically stable, even a slight cyclic hardening is observed at 650 °C. The reasons for this different behaviour lie probably in the less resistant matrix with a lot of weak subgrain boundaries in ODS Eurofer, because no clear difference in the oxide particles distribution was found. Workplace Institute of Physics of Materials Contact Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Year of Publishing 2012
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