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Creep Behaviour and Microstructure of 2.25%C r1.6%W Steel
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SYSNO ASEP 0332669 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Creep Behaviour and Microstructure of 2.25%C r1.6%W Steel Title Creepové chování a mikrostruktura oceli 2,25%Cr1,6%W Author(s) Kuchařová, Květa (UFM-A) RID, ORCID
Sklenička, Václav (UFM-A) RID, ORCID
Svoboda, Milan (UFM-A) RID, ORCID
Douda, J. (CZ)
Čmakal, J. (CZ)Number of authors 5 Source Title Creep and Fracture in High Temperature Components - Design & Life Assessment Issues. - Lancaster, PA : DEStech Publications, Inc, 2009 / Shibli I.A. ; Holdsworth S.R. - ISBN 978-1-60595-005-1 Pages s. 624-632 Number of pages 9 s. Action International Creep Conference /2./ Event date 21.04.2009-23.04.2009 VEvent location Zurich Country CH - Switzerland Event type EUR Language eng - English Country US - United States Keywords bainitic steel ; creep strenght ; microstructure changes Subject RIV JG - Metallurgy R&D Projects 2A-1TP1/057 GA MPO - Ministry of Industry and Trade (MPO) FT-TA2/038 GA MPO - Ministry of Industry and Trade (MPO) CEZ AV0Z20410507 - UFM-A (2005-2011) Annotation Conventional 2.25%Cr1%Mo steel has been greatly improved by the substitution of almost all of the 1%Mo by 1.6%W. The improved material has been standardised as T23 steel (Fe-2.25Cr-1.6W-0.25V-0.05Nb-0.07C). The present investigation was conducted on T23 steel in an effort to obtain more complete description and understanding of the role of microstructure evolution and deformation processes in high temperature creep. Constant load tensile creep tests were carried out in the temperature range of 500-650 degrees C at stresses ranged from 50 to 400 MPa. The results of an extensive TEM analysis program to investigate microstructure evolution as function of temperature are described and compared with the thermodynamic calculations using the software package Thermo-Calc. Workplace Institute of Physics of Materials Contact Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Year of Publishing 2011
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