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Application of Small Punch Tests in Estimation of the Properties of Heat-affected Zones
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SYSNO ASEP 0325403 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Application of Small Punch Tests in Estimation of the Properties of Heat-affected Zones Title Použití protlačovací zkoušky pro odhad vlastností tepelně ovlivněných oblastí Author(s) Dobeš, Ferdinand (UFM-A) RID, ORCID
Milička, Karel (UFM-A)
Sobotka, J. (CZ)
Kuboň, Z. (CZ)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. 1118-1125 Number of pages 8 s. Action ECCC Creep Conference /2./ Event date 21.04.2009-23.04.2009 VEvent location Dubendorf Country CH - Switzerland Event type WRD Language eng - English Country US - United States Keywords Small punch test ; Cross-weld creep test ; Type IV cracking Subject RIV JG - Metallurgy R&D Projects IAA200410801 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z20410507 - UFM-A (2005-2011) Annotation The small punch test technique was applied in the analysis of the creep properties of a real weld taken from a piping system used in a power plant after long-term service. The base material of the pipes was 0.5Cr-0.5Mo-0.3V steel. Specimens for small punch tests were taken from strictly localised places: from the base material, from the weld material and from the heat-affected zone. Two types of specimens for conventional creep testing were prepared from the same weld: they were cut either exclusively from the base material or as cross-weld specimens. Results of both testing types, i.e., conventional creep and small punch, are compared and discussed with the aim of demonstrating the possibility of using small punch tests to characterise the damage sensitivity of various regions of the welds. Workplace Institute of Physics of Materials Contact Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Year of Publishing 2009
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