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Effect of thermal ageing on the impact fracture behaviour of Eurofer'97 steel
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SYSNO ASEP 0332684 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Effect of thermal ageing on the impact fracture behaviour of Eurofer'97 steel Title Vliv tepelného stárnutí na lomové chování oceli EUROFER´97 Author(s) Hadraba, Hynek (UFM-A) RID, ORCID
Dlouhý, Ivo (UFM-A) RID, ORCIDNumber of authors 2 Source Title Journal of Nuclear Materials. - : Elsevier - ISSN 0022-3115
386-388, - (2009), s. 564-568Number of pages 5 s. Language eng - English Country NL - Netherlands Keywords brittleness ; fracture ; cracks Subject RIV JG - Metallurgy R&D Projects IAA200410502 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) GA106/08/1397 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20410507 - UFM-A (2005-2011) UT WOS 000266386900140 DOI 10.1016/j.jnucmat.2008.12.319 Annotation Ferritic-martensitic reduced activation steel Eurofer´97 is candidate structural material for in-vessel components of proposed fusion reactors. The use of the steel is limited up to a temperature about 550 °C. On the other hand the efficiency enhancement of the fusion reactors to the level suitable for energy production is predetermined by an increase of temperature in reactor. The long term exposition of the steel at high temperatures leads to microstructural changes. The aim of the work was to investigate the influence of thermal ageing on fracture properties of Eurofer´97 steel. Thermal ageing of the steel was simulated by step cooling treatment. Charpy impact tests were performed before and after thermal ageing. No evident changes in impact properties have been registered when comparing the properties of the steel in as-received state and in state after step-cooling. Workplace Institute of Physics of Materials Contact Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Year of Publishing 2010
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