Effect of Higher Silicon Content and Heat Treatment on Structure Evolution and High-Temperature Behaviour of Fe-28Al-15Si-2Mo Alloy

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dc.contributor.authorŠvec, Martincs
dc.contributor.authorVodičková, Věracs
dc.contributor.authorHanus, Pavelcs
dc.contributor.authorPazourková Prokopčáková, Petracs
dc.contributor.authorČamek, Liborcs
dc.contributor.authorMoravec, Jaromírcs
dc.coverage.issue11cs
dc.coverage.volume14cs
dc.date.accessioned2022-03-30T06:54:11Z
dc.date.available2022-03-30T06:54:11Z
dc.date.issued2021-06-01cs
dc.description.abstractThis paper describes the structure and properties of cast Fe3Al-based alloy doped with 15 at. % of silicon and 2 at. % of molybdenum. The higher content of silicon is useful for the enhancement of high-temperature mechanical properties or corrosion resistance of iron aluminides but deteriorates their workability due to increased brittleness. It was found that the presence of both alloying elements leads to an increase of values of the high-temperature yield stress in compression. The heat treatment (annealing at 800 degrees C for 100 h) used for the achievement of phase stability causes the grain coarsening, so the values of the high-temperature yield stress in compression are lower at 600 degrees C and 700 degrees C in comparison to values measured for the as-cast state. This stabilization annealing significantly improves the workability/machinability of alloy. Furthermore, the higher silicon content positively affects the values of the thermal expansion coefficient that was found to be lower in the temperature range up to 600 degrees C compared to alloys with lower content of silicon.en
dc.formattextcs
dc.format.extent3031-3031cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationMaterials . 2021, vol. 14, issue 11, p. 3031-3031.en
dc.identifier.doi10.3390/ma14113031cs
dc.identifier.issn1996-1944cs
dc.identifier.other176091cs
dc.identifier.urihttp://hdl.handle.net/11012/204068
dc.language.isoencs
dc.publisherMDPIcs
dc.relation.ispartofMaterialscs
dc.relation.urihttps://www.mdpi.com/1996-1944/14/11/3031cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1996-1944/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectFe3Al-based iron aluminide for high-temperature applicationsen
dc.subjecthigh-temperature yield stressen
dc.subjectcoefficient of thermal expansionen
dc.titleEffect of Higher Silicon Content and Heat Treatment on Structure Evolution and High-Temperature Behaviour of Fe-28Al-15Si-2Mo Alloyen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-176091en
sync.item.dbtypeVAVen
sync.item.insts2022.03.30 08:54:11en
sync.item.modts2022.03.30 08:15:12en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Ústav strojírenské technologiecs
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