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Interaction of Creep and High Cycle Fatigue of IN 713LC Superalloy
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SYSNO ASEP 0480264 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Interaction of Creep and High Cycle Fatigue of IN 713LC Superalloy Author(s) Horník, V. (CZ)
Šmíd, Miroslav (UFM-A) RID, ORCID
Hutař, Pavel (UFM-A) RID, ORCID
Kunz, Ludvík (UFM-A) RID, ORCID
Hrbáček, K. (CZ)Number of authors 5 Source Title Materials Structure & Micromechanics of Fracture VIII. - Zürrich : Trans Tech Publications, 2017 / Šandera P. - ISSN 1662-9779 - ISBN 978-3-03835-626-4 Pages s. 595-598 Number of pages 4 s. Publication form Print - P Action MSMF8. International Conference on Materials Structure and Micromechanics of Fracture /8./ Event date 27.06.2016 - 29.06.2016 VEvent location Brno Country CZ - Czech Republic Event type WRD Language eng - English Country CH - Switzerland Keywords Creep-fatigue interaction ; Fractography ; High temperature ; IN 713LC ; Superalloy Subject RIV JL - Materials Fatigue, Friction Mechanics OECD category Audio engineering, reliability analysis R&D Projects TA04011525 GA TA ČR - Technology Agency of the Czech Republic (TA ČR) LM2015069 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support UFM-A - RVO:68081723 EID SCOPUS 85009830512 DOI 10.4028/www.scientific.net/SSP.258.595 Annotation The study deals with the interaction of creep and high cycle fatigue of cast polycrystalline nickel-based superalloy IN 713LC at high temperatures. Previous works indicated that creep lifetime of superalloy structures was un-affected or even slightly increased in the cases with superimposed vibrations. The reason for this behaviour was not well described up to now. Therefore, set of fatigue tests was conducted at high mean stresses level to observe this phenomenon. The mean stress was kept constant while the stress amplitudes were selected in order to measure wide range of conditions from pure creep to pure fatigue. Fractographic analysis by scanning electron microscopy (SEM) was done with the aim to identify governing damage mechanisms for particular test conditions as a preliminary evaluation of conducted tests. Workplace Institute of Physics of Materials Contact Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Year of Publishing 2018
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