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Statements

Subject Item
n2:RIV%2F68378271%3A_____%2F11%3A00367043%21RIV12-AV0-68378271
rdf:type
n16:Vysledek skos:Concept
dcterms:description
In this work the creep behaviour and microstructure changes in aluminium single crystal during equal-channel angular pressing (ECAP) were investigated in order to understand the relationships between ECAP microstructure and creep behaviour. 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. Microstructure of samples processed by 1 and 4 ECAP passes was characterized by transmission electron microscope (TEM) and scanning electron microscope (SEM) equipped with the electron backscatter diffraction unit (EBSD). 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 behaviour is influenced by cooperative grain boundary sliding along mesoscopic shear bands. In this work the creep behaviour and microstructure changes in aluminium single crystal during equal-channel angular pressing (ECAP) were investigated in order to understand the relationships between ECAP microstructure and creep behaviour. 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. Microstructure of samples processed by 1 and 4 ECAP passes was characterized by transmission electron microscope (TEM) and scanning electron microscope (SEM) equipped with the electron backscatter diffraction unit (EBSD). 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 behaviour is influenced by cooperative grain boundary sliding along mesoscopic shear bands.
dcterms:title
Creep in Al single crystal processed by equal-channel angular pressing Creep in Al single crystal processed by equal-channel angular pressing
skos:prefLabel
Creep in Al single crystal processed by equal-channel angular pressing Creep in Al single crystal processed by equal-channel angular pressing
skos:notation
RIV/68378271:_____/11:00367043!RIV12-AV0-68378271
n16:predkladatel
n18:ico%3A68378271
n3:aktivita
n9:P n9:Z
n3:aktivity
P(GPP108/10/P469), P(KAN300100801), Z(AV0Z10100520), Z(AV0Z20410507)
n3:dodaniDat
n10:2012
n3:domaciTvurceVysledku
n13:5676134 n13:6203272
n3:druhVysledku
n11:O
n3:duvernostUdaju
n12:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
192234
n3:idVysledku
RIV/68378271:_____/11:00367043
n3:jazykVysledku
n15:eng
n3:klicovaSlova
ultrafine-grained materials; creep behaviour; equal-channel angular pressing
n3:klicoveSlovo
n4:ultrafine-grained%20materials n4:equal-channel%20angular%20pressing n4:creep%20behaviour
n3:kontrolniKodProRIV
[411B4181C2FB]
n3:obor
n6:JJ
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
5
n3:projekt
n14:GPP108%2F10%2FP469 n14:KAN300100801
n3:rokUplatneniVysledku
n10:2011
n3:tvurceVysledku
Sklenička, Václav Král, Petr Šedá, Petra Dvořák, Jiří Jäger, Aleš
n3:zamer
n8:AV0Z10100520 n8:AV0Z20410507