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Analysis of the effective and internal cyclic stress components in cast gama–TiAl based alloy
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SYSNO ASEP 0435368 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Analysis of the effective and internal cyclic stress components in cast gama–TiAl based alloy Author(s) Petrenec, Martin (UFM-A)
Polák, Jaroslav (UFM-A) RID, ORCID
Kruml, Tomáš (UFM-A) RID, ORCID
Buček, Petr (UFM-A)Number of authors 4 Source Title 3rd International Conference on Heterogeneous Material Mechanics (ICHMM 2011). - Lancaster : Destech Publications, 2011 / Fan JH. ; Zhang JQ. ; Chen HB. ; Jin ZH. - ISBN 978-1-60595-054-9 Pages s. 921-924 Number of pages 4 s. Publication form Print - P Action ICHMM 2011 International Conference on Heterogeneous Material Mechanics /3./ Event date 22.05.2011-26.05.2011 VEvent location Shanghai Country CN - China Event type WRD Language eng - English Country US - United States Keywords Low cycle fatigue ; TiAl alloy ; hysteresis loop ; dislocation structure Subject RIV JL - Materials Fatigue, Friction Mechanics R&D Projects GAP107/11/0704 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20410507 - UFM-A (2005-2011) UT WOS 000297713100223 EID SCOPUS 84866855848 Annotation Cyclic strain controlled multiple step tests in air have been performed on cylindrical specimens of cast gama-based alloy Ti–48Al–2Nb–2Cr–0.82B at. % with nearly lamellar microstructure of gamaandalpha2 phases at 23 and 750 °C. The objective was to analyze the internal and effective cyclic stress components which were derived from the hysteresis loops analyzed according to the statistical theory of hysteresis loop. Dislocation structures in cyclically strained specimens at room temperature were observed using TEM. Cyclic response at both temperatures was compared and discussed in relation to changes of internal and effective stress components and dislocation modes in gamaphase observed and referred in the literature. Workplace Institute of Physics of Materials Contact Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Year of Publishing 2015
Number of the records: 1