About: The link between microstructure and creep in aluminum processed by equal-channel angular pressing

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About: The link between microstructure and creep in aluminum processed by equal-channel angular pressing Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The creep life of pure ultrafine-grained aluminum produced by equal-channel angular pressing and examined at 473 K, 15-20 MPa, continually decreases with the increasing number N of passes in spite of a considerable grain refinement. In order to explain this behavior, a detailed microstructural study has been carried out by means of electron backscatter diffraction at four different lower bounds of subgrain boundary misorientation Delta = 2 degrees, 5 degrees, 10 degrees and 15 degrees. At low N = 1, 2, the misorientation of the majority of boundaries is very low (Delta < 5 degrees); the relative fractions of the true boundary (Delta >= 15 degrees) area do not exceed 10% and the creep strain is very slow. With the increasing N, the mutual misorientation of neighboring subgrains grows. the deformation processes can proceed faster and the creep life is substantially shortened (the creep fracture elongation grows only slowly). The creep life of pure ultrafine-grained aluminum produced by equal-channel angular pressing and examined at 473 K, 15-20 MPa, continually decreases with the increasing number N of passes in spite of a considerable grain refinement. In order to explain this behavior, a detailed microstructural study has been carried out by means of electron backscatter diffraction at four different lower bounds of subgrain boundary misorientation Delta = 2 degrees, 5 degrees, 10 degrees and 15 degrees. At low N = 1, 2, the misorientation of the majority of boundaries is very low (Delta < 5 degrees); the relative fractions of the true boundary (Delta >= 15 degrees) area do not exceed 10% and the creep strain is very slow. With the increasing N, the mutual misorientation of neighboring subgrains grows. the deformation processes can proceed faster and the creep life is substantially shortened (the creep fracture elongation grows only slowly). (en)
Title	The link between microstructure and creep in aluminum processed by equal-channel angular pressing The link between microstructure and creep in aluminum processed by equal-channel angular pressing (en)
skos:prefLabel	The link between microstructure and creep in aluminum processed by equal-channel angular pressing The link between microstructure and creep in aluminum processed by equal-channel angular pressing (en)
skos:notation	RIV/67985840:_____/09:00343476!RIV11-GA0-67985840
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA201/06/0302), P(IAA2041301), Z(AV0Z10190503), Z(AV0Z20410507), Z(MSM0021620839)
http://linked.open...iv/cisloPeriodika	1-2
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Ilucová, Lucia Saxl, Ivan
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	Matematický ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	323849
http://linked.open...ai/riv/idVysledku	RIV/67985840:_____/09:00343476
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	aluminum; ECAP; grain structure; homogeneity; creep life (en)
http://linked.open.../riv/klicoveSlovo	aluminum ECAP homogeneity creep life grain structure
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[0654C14EA9E9]
http://linked.open...i/riv/nazevZdroje	Materials Science and Engineering A-structural Materials Properties microstructure and Processing
http://linked.open...in/vavai/riv/obor	BA
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Applied probability - stochastic geometry and metric tools Creep processes in ultrafine-grained metals and alloys processed by the ECAP
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	503
http://linked.open...iv/tvurceVysledku	Dvořák, Jiří Král, Petr Sklenička, Václav Svoboda, Milan Saxl, Ivan Ilucová, Lucia
http://linked.open...ain/vavai/riv/wos	000263873100021
http://linked.open...n/vavai/riv/zamer	Rozvoj a prohloubení obecných matematických poznatků a jejich užití v dalších vědních oborech a v praxi Physical properties of advanced materials in relation to their microstructure and processing Metody moderní matematiky a jejich aplikace
issn	0921-5093
number of pages	4 (xsd:int)

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