Original title: Embrittlement of ferritic 14%Cr ODS steel in air and in Pb/Pb-Bi coolants at elevated temperatures
Authors: Hadraba, Hynek ; Dlouhý, Ivo ; Hojná, A. ; Di Gabriele, F.
Document type: Papers
Conference/Event: New Methods of Damage and Failure Analysis of Structural Parts, Ostrava (CZ), 2012-09-10 / 2012-09-14
Year: 2012
Language: eng
Abstract: The work was focused to describing influence of long-time high-temperature exposition of the ferritic 14%Cr ODS steel to the liquid Pb and Pb-Bi metals environments. The steel was during exposition in the liquid Pb and Pb-Bi at 600°C and 550°C respectively depleted from Cr and Ti formed with Pb and Bi the surface oxide scale. In addition the isothermal ageing of the steel at 650°C caused precipitates coarsening and porosity development by dislocation annealing in the bulk of the steel. Tensile and impact bend tests reveals outstanding embrittlement of the isothermally aged ODS steel and the steel after exposition to the liquid Pb and Pb-Bi compared with the steel in as-received state.
Keywords: carbide coarsening; impact behaviour; KLST; oxide dispersion strengthened
Project no.: GAP108/10/0466 (CEP)
Funding provider: GA ČR
Host item entry: New Methods of Damage and Failure Analysis of Structural Parts, ISBN 978-80-248-2802-2

Institution: Institute of Physics of Materials AS ČR (web)
Document availability information: Fulltext is available at the institute of the Academy of Sciences.
Original record: http://hdl.handle.net/11104/0215269

Permalink: http://www.nusl.cz/ntk/nusl-135476


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Research > Institutes ASCR > Institute of Physics of Materials
Conference materials > Papers