About: Model of hot deformation resistance of the iron aluminide of the type Fe-40at.%Al

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Iron aluminides with 40 at.% of aluminium are advanced structural materials that are thanks to their low density and good resistance to high temperatures suitable as replacement of expensive high alloyed steels or nickel superalloys. Samples was from aluminide of the type Fe-40at.%Al by uniaxial compression with use of anvils that were locally heated on the plastometer Gleeble 3800 by the system of resistance heating. Stress-strain curves were obtained for temperatures from 800 to 1200 °C and strain rates from 0.05 to 30 s-1. The activation energy at hot forming (236 kJ mol-1) was calculated from the coordinates of the stress peak, which was then used for mathematical description of deformation to peak in dependence on the Zener-Hollomon parameter. We managed to develop a phenomenological model, which describes with good precision deformation resistance of the investigated alloy in dependence on temperature, strain rate and deformation, with consideration of influence of dynamic recrystallization. Iron aluminides with 40 at.% of aluminium are advanced structural materials that are thanks to their low density and good resistance to high temperatures suitable as replacement of expensive high alloyed steels or nickel superalloys. Samples was from aluminide of the type Fe-40at.%Al by uniaxial compression with use of anvils that were locally heated on the plastometer Gleeble 3800 by the system of resistance heating. Stress-strain curves were obtained for temperatures from 800 to 1200 °C and strain rates from 0.05 to 30 s-1. The activation energy at hot forming (236 kJ mol-1) was calculated from the coordinates of the stress peak, which was then used for mathematical description of deformation to peak in dependence on the Zener-Hollomon parameter. We managed to develop a phenomenological model, which describes with good precision deformation resistance of the investigated alloy in dependence on temperature, strain rate and deformation, with consideration of influence of dynamic recrystallization. (en)
Title	Model of hot deformation resistance of the iron aluminide of the type Fe-40at.%Al Model of hot deformation resistance of the iron aluminide of the type Fe-40at.%Al (en)
skos:prefLabel	Model of hot deformation resistance of the iron aluminide of the type Fe-40at.%Al Model of hot deformation resistance of the iron aluminide of the type Fe-40at.%Al (en)
skos:notation	RIV/61989100:27360/13:86088462!RIV14-GA0-27360___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(ED0040/01/01), P(GAP107/10/0438), S
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Kawulok, Rostislav Opěla, Petr Kawulok, Petr Schindler, Ivo
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola báňská - Technická univerzita Ostrava / Fakulta metalurgie a materiálového inženýrství
http://linked.open...dnocenehoVysledku	88751
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/13:86088462
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	deformation resistance.; activation energy at hot forming; Iron aluminides (en)
http://linked.open.../riv/klicoveSlovo	activation energy at hot forming Iron aluminides deformation resistance.
http://linked.open...ontrolniKodProRIV	[88941D36C48D]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Ostrava
http://linked.open...i/riv/nazevZdroje	METAL 2013 : 22nd International Conference on Metallurgy and Materials : conference proceedings : May 15th - 17th 2013, Hotel Voronez I, Brno Czech Republic, EU [CD-ROM]
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Regional materials science and technology centre Physical and metallurgical aspects of deformation behaviour of iron aluminides with extremely low plasticity
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Kawulok, Petr Schindler, Ivo Opěla, Petr Kawulok, Rostislav
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2013-05-15 (xsd:date)
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Tanger s.r.o.
https://schema.org/isbn	978-80-87294-41-3
http://localhost/t...ganizacniJednotka	27360

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