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Degradation processes in creep of 9-12%Cr ferritic steels
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SYSNO ASEP 0027834 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Degradation processes in creep of 9-12%Cr ferritic steels Title Degradační procesy při creepu 9-12%Cr feritických ocelí Author(s) Sklenička, Václav (UFM-A) RID, ORCID
Kuchařová, Květa (UFM-A) RID, ORCID
Kloc, Luboš (UFM-A) RID, ORCID
Svoboda, Milan (UFM-A) RID, ORCID
Kudrman, J. (CZ)Source Title Advances in Materials Technology for Fossil Power Plants. - Materials Park, OH : ASM International, 2005 / Viswanathan R ; Gandy D ; Coleman K - ISBN 0-87170-818-3 Pages s. 1086-1100 Number of pages 15 s. Action Fourth International Conference: Advances in Materials Technology for Fossil Power Plants Event date 25.10.2004-28.10.2004 VEvent location Hilton Head Island Country US - United States Event type WRD Language eng - English Country US - United States Keywords Degradation Processes ; Creep 9-12%Cr Steels Subject RIV JG - Metallurgy R&D Projects GA106/02/0608 GA ČR - Czech Science Foundation (CSF) IBS2041001 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) IAA2041101 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z2041904 - UFM-A Annotation Creep behavior and degradation of creep properties of advanced 9-12%Cr ferritic steels are phenomena of major practical relevance, often limiting the lives of power plant components and structures designed to operate for long periods under stress at elevated temperatures. Because life expectancy is, in reality, based on the ability of the material to retain its high- temperature creep strength for period of the least twice the projected design life, methods of creep property assessment based on physical changes in the material that are likely to occur during service exposure rather than simple parametric extrapolation of the short-term data are necessary. This work attempts to highlight the problem areas just in this respect. The proposed approaches are illustrated by recent experimental results on advanced high creep strength 9-12%Cr ferritic-martensitic steels (P91 and P92). Workplace Institute of Physics of Materials Contact Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Year of Publishing 2006
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