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dc.contributor.authorŠvec, Martin
dc.contributor.authorVodičková, Věra
dc.contributor.authorHanus, Pavel
dc.contributor.authorKeller, Vojtěch
dc.contributor.editorKučerová, Ludmila
dc.contributor.editorJirková, Hana
dc.contributor.editorJeníček, Štěpán
dc.date.accessioned2019-10-08T13:56:11Z
dc.date.available2019-10-08T13:56:11Z
dc.date.issued2019
dc.identifier.citationJIRKOVÁ, Hana ed.; JENÍČEK, Štepán ed. Proceedings PING 2019: modern trends in material engineering: 10.-13.09.2019, Pilsen. 1. vyd. Plzeň: University of West Bohemia, 2019, s. 128. ISBN 978-80-261-0879-5.en
dc.identifier.isbn978-80-261-0879-5
dc.identifier.urihttp://hdl.handle.net/11025/35280
dc.description.sponsorshipPING 2019 is organized with the support of funds for specific university research project SVK1-2019-002.en
dc.format1 s.cs
dc.format.mimetypeapplication/PDF
dc.language.isoenen
dc.publisherUniversity of West Bohemiaen
dc.rights© University of West Bohemiaen
dc.subjectFe3Alcs
dc.subjectaluminidy železacs
dc.subjectpřídavek niobu a uhlíkucs
dc.subjectfázová strukturacs
dc.subjecttepelné zpracovánícs
dc.subjectvysoká teplotacs
dc.subjectkompresní výnosové napětícs
dc.titleThe effect of carbon addition on the structure and high – temperature strength of Fe3Al – based iron aluminide doped by niobiumen
dc.typekonferenční příspěvekcs
dc.typeconferenceObjecten
dc.rights.accessopenAccessen
dc.type.versionpublishedVersionen
dc.description.abstract-translatedA structural study as well as the determination of σ0.2 compression yield stress at high temperatures have been performed on the Fe3Al-based iron aluminide doped by Nb (5 at. %) and C (1.5 at.%). The carbon occurrence leads to the formation of three-phase structure. Fe3Al matrix, niobium carbides and (Fe,Al)2Nb Laves phase were observed in the structure of investigated alloys. Precipitates were inhomogeneously distributed in as cast state alloy. The annealing at 1000°C for 50 hours leads to more homogenously distribution of secondary phase particles and also to refinement of grain size. The strengthening mechanism of material at high temperatures was detected as a combination of strengthening by incoherent precipitates (NbC and Laves phase) and a solid solution hardening by Nb atoms. Effect of two reinforcing mechanisms together with homogeneously precipitate’s distribution increase the values of σ0.2 compression yield stress about 50 MPa in whole measured temperature range (600 – 800 °C) in comparison to similar intermetallic’s system Fe-Al-Zr-C. Phase composition of the alloy was studied by means of scanning electron microscopy (SEM) equipped by energy dispersive X-ray spectrometer (EDX). The electron backscattered diffraction (EBSD) was used for phase verification and grain size visualization.en
dc.subject.translatedFe3Alen
dc.subject.translatedtype iron aluminidesen
dc.subject.translatedniobium and carbon additionen
dc.subject.translatedphase structureen
dc.subject.translatedheat treatmenten
dc.subject.translatedhigh temperatureen
dc.subject.translatedcompression yield stressen
dc.type.statusPeer-revieweden
Vyskytuje se v kolekcích:Proceedings PING 2019: modern trends in material engineering
Proceedings PING 2019: modern trends in material engineering

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  6. Proceedings PING 2019: modern trends in material engineering