About: Creep in Al single crystal processed by equal-channel angular pressing

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In this work the creep behavior and microstructure changes in aluminum single crystal during equal-channel angular pressing (ECAP) were investigated in order to understand the relationships between microstructure and creep behavior. The investigated crystal was oriented with {111} parallel to the shear plane and <110> was parallel to the direction of shear. During ECAP by route A at room temperature single-crystalline sample was subsequently transformed into the polycrystalline material. Microstructures of single crystals processed by 1 and 4 ECAP passes were characterized by transmission electron microscope (TEM) and scanning electron microscope (SEM) equipped with the electron backscatter diffraction unit (EBSD). Microstructure analyses showed inhomogeneity of microstructure after ECAP and the increase in the fraction of HAGB’s (>15°) with increasing number of ECAP passes. Tensile creep tests at temperature of 373 K and at applied stress of 50 MPa were performed on the Al single crystal after one and four ECAP passes. It was found that the creep behavior is influenced by cooperative grain boundary sliding along mesoscopic shear bands. In this work the creep behavior and microstructure changes in aluminum single crystal during equal-channel angular pressing (ECAP) were investigated in order to understand the relationships between microstructure and creep behavior. The investigated crystal was oriented with {111} parallel to the shear plane and <110> was parallel to the direction of shear. During ECAP by route A at room temperature single-crystalline sample was subsequently transformed into the polycrystalline material. Microstructures of single crystals processed by 1 and 4 ECAP passes were characterized by transmission electron microscope (TEM) and scanning electron microscope (SEM) equipped with the electron backscatter diffraction unit (EBSD). Microstructure analyses showed inhomogeneity of microstructure after ECAP and the increase in the fraction of HAGB’s (>15°) with increasing number of ECAP passes. Tensile creep tests at temperature of 373 K and at applied stress of 50 MPa were performed on the Al single crystal after one and four ECAP passes. It was found that the creep behavior is influenced by cooperative grain boundary sliding along mesoscopic shear bands. (en)
Title	Creep in Al single crystal processed by equal-channel angular pressing Creep in Al single crystal processed by equal-channel angular pressing (en)
skos:prefLabel	Creep in Al single crystal processed by equal-channel angular pressing Creep in Al single crystal processed by equal-channel angular pressing (en)
skos:notation	RIV/68081723:_____/12:00384678!RIV13-GA0-68081723
http://linked.open...avai/predkladatel	Ústav fyziky materiálů AVČR, v.v.i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GPP108/10/P469), P(KAN300100801), Z(AV0Z10100520), Z(AV0Z20410507)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	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	129021
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/12:00384678
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	equal-channel angular pressing; single crystal; creep behaviour (en)
http://linked.open.../riv/klicoveSlovo	creep behaviour equal-channel angular pressing single crystal
http://linked.open...odStatuVydavatele	RU - Ruská federace
http://linked.open...ontrolniKodProRIV	[C860E07E030B]
http://linked.open...i/riv/nazevZdroje	Reviews on Advanced Materials Science
http://linked.open...in/vavai/riv/obor	JJ
http://linked.open...ichTvurcuVysledku	3 (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 Multifunctional bulk metallic materials with nanocrystalline and ultrafine-grained structure
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	31
http://linked.open...iv/tvurceVysledku	Dvořák, Jiří Jäger, Aleš Král, Petr Sklenička, Václav Šedá, Petra
http://linked.open...ain/vavai/riv/wos	000310496700008
http://linked.open...n/vavai/riv/zamer	Specific effects in condensed systems with reduced dimension and broken symmetry Physical properties of advanced materials in relation to their microstructure and processing
issn	1606-5131
number of pages	7 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Creep in Al single crystal processed by equal-channel angular pressing

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