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Low-cycle fatigue properties of TiAl alloy with high Nb content
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SYSNO ASEP 0324018 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Low-cycle fatigue properties of TiAl alloy with high Nb content Title Nízkocyklová únava slitiny TiAl s vysokým obsahem Nb Author(s) Kruml, Tomáš (UFM-A) RID, ORCID
Obrtlík, Karel (UFM-A) RID, ORCID
Petrenec, Martin (UFM-A)
Polák, Jaroslav (UFM-A) RID, ORCIDSource Title International Journal of Materials Research. - : Walter de Gruyter - ISSN 1862-5282
Roč. 100, č. 3 (2009), s. 349-352Number of pages 4 s. Action International Symposium on Physics of Materials /11./ Event date 24.08.2008-28.08.2008 VEvent location Praha Country CZ - Czech Republic Event type WRD Language eng - English Country DE - Germany Keywords TiAl ; lamellar structure ; low-cycle fatigue ; tensile test ; high temperature Subject RIV JL - Materials Fatigue, Friction Mechanics R&D Projects GA106/07/0762 GA ČR - Czech Science Foundation (CSF) GA106/08/1631 GA ČR - Czech Science Foundation (CSF) 1QS200410502 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z20410507 - UFM-A (2005-2011) UT WOS 000264870600018 DOI 10.3139/146.110019 Annotation The low-cycle fatigue properties of TiAl alloy with 8 at.% of Nb with nearly fully lamellar microstructure were studied at room temperature and 750 °C and compared with those reported in literature for previous class of TiAl alloys with 2 at.% of Nb. Hardening/softening curves, cyclic stress-strain curves (CSSC) and fatigue life curves were obtained at both temperatures. The material shows stable cyclic stress-strain response. Parameters of the CSSC, of the Manson-Coffin law and of the Basquin law were determined. Bilinear dependence is used to approximate the Manson-Coffin plot and the Basquin plot at 750 °C. Workplace Institute of Physics of Materials Contact Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Year of Publishing 2009
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