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Fatigue properties of superalloy IN 713LC and relation to microstructure
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SYSNO ASEP 0322850 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Fatigue properties of superalloy IN 713LC and relation to microstructure Title Únavové vlastnosti superslitiny IN 713LC a jejich vztah k mikrostruktuře Author(s) Kunz, Ludvík (UFM-A) RID, ORCID
Lukáš, Petr (UFM-A)
Konečná, R. (SK)Source Title Materials Science - ISSN 1392-1320
Roč. 14, č. 3 (2008), s. 221-225Number of pages 5 s. Action Materials Engineering 2008 - International Baltic Conference /17./ Event date 06.11.2008-07.11.2008 VEvent location Kaunas Country LT - Lithuania Event type EUR Language eng - English Country LT - Lithuania Keywords high cycle fatigue ; casting defects ; IN 713LC Subject RIV JG - Metallurgy R&D Projects 1QS200410502 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) FT-TA4/023 GA MPO - Ministry of Industry and Trade (MPO) CEZ AV0Z20410507 - UFM-A (2005-2011) UT WOS 000259967900007 Annotation The paper presents experimental results of determination of high-cycle fatigue life of IN713LC at 800 °C in air at stress symmetrical loading and under action of tensile mean stresses. Three nominally identical casts were investigated. Fractographic observation has been made with the aim to reveal the fatigue crack initiation place, its kind and relation to the casting defects and material microstructure. The observed high scatter of lifetime data has been correlated with the defect size and defect distribution. The extreme value statistics for inclusion size originally developed by Murakami for small defects in material has been adopted and tested for this particular case. Workplace Institute of Physics of Materials Contact Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Year of Publishing 2009
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