About: The effect of carbon on high temperature deformation of Fe-40Al-xC (at.%) ternary alloys

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Mechanické vlastnosti slitin Fe-40Al s obsahem C v rozmezí 0.07–1.9 at.% byly studovány jednoosými tlakovými zkouškami a zkouškami s konstantní rychlostí deformace při teplotách od 600°C do 750°C. Závislost jak odolnosti vůči creepu tak i charakteristik při konstantní rychlosti na obsahu uhlíku není monotoní; nejhorší mechanické vlastnosti jsou pozorovány ve slitinách s 0.75 a 1.7 at.% C. Finální tepelné zpracování spočívající v žíhání při 1100°C po dobu 8 hodin se zakalením do oleje má jenom malý vliv na rychlost creepu. Napěťová a teplotní závislost rychlosti creepu byla určováno stupňovitým zatěžováním a vyhodnocována prostřednictvím napěťového exponentu n a aktivační energie Q. (cs) Mechanical properties of Fe-40Al alloys with C contents of 0.07–1.9 at.% were studied by uniaxial compressive creep and constant strain rate tests at temperatures from 600°C to 750°C. The dependence of both the creep resistance and the constant strain rate characteristics on the carbon content is not monotonous; the worst mechanical properties are observed in the alloys with 0.75 and 1.7 at.% C. The final heat treatment consisting in annealing at 1100°C for 8 hours with quenching to oil has only a small influence on the creep rate. The stress and temperature dependence of the creep rate was determined by stepwise loading and evaluated in terms of the stress exponent n and the activation energy Q, respectively. Mechanical properties of Fe-40Al alloys with C contents of 0.07–1.9 at.% were studied by uniaxial compressive creep and constant strain rate tests at temperatures from 600°C to 750°C. The dependence of both the creep resistance and the constant strain rate characteristics on the carbon content is not monotonous; the worst mechanical properties are observed in the alloys with 0.75 and 1.7 at.% C. The final heat treatment consisting in annealing at 1100°C for 8 hours with quenching to oil has only a small influence on the creep rate. The stress and temperature dependence of the creep rate was determined by stepwise loading and evaluated in terms of the stress exponent n and the activation energy Q, respectively. (en)
Title	The effect of carbon on high temperature deformation of Fe-40Al-xC (at.%) ternary alloys Vliv uhlíku na vysokoteplotní deformaci ternárních slitin Fe-40Al-xC (at.%) (cs) The effect of carbon on high temperature deformation of Fe-40Al-xC (at.%) ternary alloys (en)
skos:prefLabel	The effect of carbon on high temperature deformation of Fe-40Al-xC (at.%) ternary alloys Vliv uhlíku na vysokoteplotní deformaci ternárních slitin Fe-40Al-xC (at.%) (cs) The effect of carbon on high temperature deformation of Fe-40Al-xC (at.%) ternary alloys (en)
skos:notation	RIV/68081723:_____/08:00310267!RIV09-AV0-68081723
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA106/05/0409), Z(AV0Z20410507)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2009
http://linked.open...aciTvurceVysledku	Dobeš, Ferdinand Milička, Karel
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky materiálů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	365003
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/08:00310267
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	iron aluminides; creep; high temperature deformation (en)
http://linked.open.../riv/klicoveSlovo	creep high temperature deformation iron aluminides
http://linked.open...odStatuVydavatele	SK - Slovenská republika
http://linked.open...ontrolniKodProRIV	[D92AEC9F11DA]
http://linked.open...i/riv/nazevZdroje	Kovové materiály
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	The analysis of mechanisms and factors influencing the creep resistance of perspective iron aluminides on the basis of Fe3Al and FeAl
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	46
http://linked.open...iv/tvurceVysledku	Dobeš, Ferdinand Milička, Karel Pešička, J. Kratochvíl, P. Vodičková, V.
http://linked.open...ain/vavai/riv/wos	000257668300005
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing
issn	0023-432X
number of pages	7 (xsd:int)
is http://linked.open...avai/riv/vysledek of	The effect of carbon on high temperature deformation of Fe-40Al-xC (at.%) ternary alloys The effect of carbon on high temperature deformation of Fe-40Al-xC (at.%) ternary alloys

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