About: Effect of severe plastic deformation on creep behaviour of a Ti-6Al-4V alloy

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This paper examines the effect of severe plastic deformation on creep behaviour of a Ti-6Al-4V alloy. The processed material with an ultrafine-grained (UFG) structure (d a parts per thousand 150 nm) was prepared by multiaxial forging. Uniaxial constant stress compression and constant load tensile creep tests were performed at 648-698 K and at stresses ranging between 300 and 600 MPa on the UFG processed alloy and, for comparison purposes, on its coarse-grained (CG) state. Creep behaviour was also investigated by nanoindentation method at room temperature under constant load. The results of the uniaxial creep tests showed that the minimum creep rates of the UFG specimens are significantly higher in comparison with those of the CG state. The CG alloy exhibits better creep resistance than the UFG one over the stress range used. The indentation creep tests showed that annealing had little effect on the creep behaviour in UFG Ti alloy at room temperature. This paper examines the effect of severe plastic deformation on creep behaviour of a Ti-6Al-4V alloy. The processed material with an ultrafine-grained (UFG) structure (d a parts per thousand 150 nm) was prepared by multiaxial forging. Uniaxial constant stress compression and constant load tensile creep tests were performed at 648-698 K and at stresses ranging between 300 and 600 MPa on the UFG processed alloy and, for comparison purposes, on its coarse-grained (CG) state. Creep behaviour was also investigated by nanoindentation method at room temperature under constant load. The results of the uniaxial creep tests showed that the minimum creep rates of the UFG specimens are significantly higher in comparison with those of the CG state. The CG alloy exhibits better creep resistance than the UFG one over the stress range used. The indentation creep tests showed that annealing had little effect on the creep behaviour in UFG Ti alloy at room temperature. (en)
Title	Effect of severe plastic deformation on creep behaviour of a Ti-6Al-4V alloy Effect of severe plastic deformation on creep behaviour of a Ti-6Al-4V alloy (en)
skos:prefLabel	Effect of severe plastic deformation on creep behaviour of a Ti-6Al-4V alloy Effect of severe plastic deformation on creep behaviour of a Ti-6Al-4V alloy (en)
skos:notation	RIV/68081723:_____/13:00396602!RIV14-MSM-68081723
http://linked.open...avai/predkladatel	Ústav fyziky materiálů AVČR, v.v.i.
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(ED1.1.00/02.0068), P(GPP108/10/P469)
http://linked.open...iv/cisloPeriodika	13
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Kvapilová, Marie Sklenička, Václav Dvořák, Jiří Král, Petr
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	71727
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/13:00396602
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ultrafine-grained material; Ti alloy; microstructural evolution; creep-properties; ductility (en)
http://linked.open.../riv/klicoveSlovo	creep-properties ductility ultrafine-grained material microstructural evolution Ti alloy
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[A02A1CDD846D]
http://linked.open...i/riv/nazevZdroje	Journal of Materials Science
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Central european institute of technology Influence of initial crystallographic orientation on creep behaviour of SPD materials
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	48
http://linked.open...iv/tvurceVysledku	Dvořák, Jiří Král, Petr Kvapilová, Marie Sklenička, Václav Salishchev, G. Zherebtsov, S.
http://linked.open...ain/vavai/riv/wos	000317367200042
issn	0022-2461
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1007/s10853-013-7160-9

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