About: Effect of different number of ECAP passes on creep in Cu-Zr alloy

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A coarse-grained binary Cu-0.2wt%Zr alloy was processed by equal-channel angular pressing (ECAP) in order to evaluate the effect of severe plastic deformation on the thermal stability of resulting ultrafine-grained microstructure after ECAP and on creep behaviour of the pressed alloy. Constant stress creep tests in tension were conducted at temperature 673 K and at the different applied stresses. It was found that the Cu-0.2Zr alloy after the first four ECAP passes exhibited higher creep resistance by comparison with unpressed state. However, the alloy processed by 8 ECAP passes showed faster creep rate than unpressed material under the same loading conditions. The measured value of stress exponent of the creep rate n6 indicates possibility of an intragranular deformation mechanism as the rate-controlling process in creep of an alloy after 8 ECAP passes. Furthermore, creep behaviour of ECAPed material may be influenced by mesoscopic boundary sliding along shear bands. A coarse-grained binary Cu-0.2wt%Zr alloy was processed by equal-channel angular pressing (ECAP) in order to evaluate the effect of severe plastic deformation on the thermal stability of resulting ultrafine-grained microstructure after ECAP and on creep behaviour of the pressed alloy. Constant stress creep tests in tension were conducted at temperature 673 K and at the different applied stresses. It was found that the Cu-0.2Zr alloy after the first four ECAP passes exhibited higher creep resistance by comparison with unpressed state. However, the alloy processed by 8 ECAP passes showed faster creep rate than unpressed material under the same loading conditions. The measured value of stress exponent of the creep rate n6 indicates possibility of an intragranular deformation mechanism as the rate-controlling process in creep of an alloy after 8 ECAP passes. Furthermore, creep behaviour of ECAPed material may be influenced by mesoscopic boundary sliding along shear bands. (en)
Title	Effect of different number of ECAP passes on creep in Cu-Zr alloy Effect of different number of ECAP passes on creep in Cu-Zr alloy (en)
skos:prefLabel	Effect of different number of ECAP passes on creep in Cu-Zr alloy Effect of different number of ECAP passes on creep in Cu-Zr alloy (en)
skos:notation	RIV/68081723:_____/10:00349522!RIV11-GA0-68081723
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GPP108/10/P469), Z(AV0Z20410507)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Kvapilová, Marie Svoboda, Milan Sklenička, Václav Dvořák, Jiří Král, Petr
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	Ústav fyziky materiálů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	255946
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/10:00349522
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ultrafine-grained microstructure; creep; equal-channel angular pressing (en)
http://linked.open.../riv/klicoveSlovo	creep equal-channel angular pressing ultrafine-grained microstructure
http://linked.open...ontrolniKodProRIV	[4A7C356CE2DB]
http://linked.open...v/mistoKonaniAkce	Rožnov pod Radhoštěm
http://linked.open...i/riv/mistoVydani	Ostrava
http://linked.open...i/riv/nazevZdroje	Metal 2010. 19th International conference on metallurgy and materials - Conference Proceedings
http://linked.open...in/vavai/riv/obor	JJ
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Influence of initial crystallographic orientation on creep behaviour of SPD materials
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Dvořák, Jiří Král, Petr Kvapilová, Marie Sklenička, Václav Svoboda, Milan
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2010-05-18 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Tanger s.r.o.
https://schema.org/isbn	978-80-87294-17-8
is http://linked.open...avai/riv/vysledek of	Effect of different number of ECAP passes on creep in Cu-Zr alloy Effect of different number of ECAP passes on creep in Cu-Zr alloy Effect of different number of ECAP passes on creep in Cu-Zr alloy

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