About: Microstructure and Local Mechanical Properties of Cu-Co Alloys after Severe Plastic Deformation

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Microstructure of Cu-2wt.%Co alloy after various heat treatment (and hence with various phase constitution) was studied after equal-channel angular pressing (ECAP) using transmission electron microscopy (TEM) and electron backscatter diffraction (EBSD) technique in a scanning electron microscope (SEM). We also focused on local mechanical properties measured across the section perpendicular to the ECAP extrusion direction. Starting from the grain size well above 1mm in the Cu-2wt.%Co solid solution, ECAP subsequently reduces grain size down to the submicron level. A comparison with pure Cu shows that the grain size homogenization is shifted towards higher number of ECAP passes. Fine dispersion of precipitates further slows down the grain refinement and grain size homogenization during ECAP processing. Local mechanical properties measured across the section perpendicular to the ECAP extrusion direction reveal systematic inhomogeneities of deformed microstructure caused by local gradients of temperature and pressure and by the processing geometry itself. This should be considered while characterizing the microstructure by a single EBSD measurement on a small selected area. Microstructure of Cu-2wt.%Co alloy after various heat treatment (and hence with various phase constitution) was studied after equal-channel angular pressing (ECAP) using transmission electron microscopy (TEM) and electron backscatter diffraction (EBSD) technique in a scanning electron microscope (SEM). We also focused on local mechanical properties measured across the section perpendicular to the ECAP extrusion direction. Starting from the grain size well above 1mm in the Cu-2wt.%Co solid solution, ECAP subsequently reduces grain size down to the submicron level. A comparison with pure Cu shows that the grain size homogenization is shifted towards higher number of ECAP passes. Fine dispersion of precipitates further slows down the grain refinement and grain size homogenization during ECAP processing. Local mechanical properties measured across the section perpendicular to the ECAP extrusion direction reveal systematic inhomogeneities of deformed microstructure caused by local gradients of temperature and pressure and by the processing geometry itself. This should be considered while characterizing the microstructure by a single EBSD measurement on a small selected area. (en)
Title	Microstructure and Local Mechanical Properties of Cu-Co Alloys after Severe Plastic Deformation Microstructure and Local Mechanical Properties of Cu-Co Alloys after Severe Plastic Deformation (en)
skos:prefLabel	Microstructure and Local Mechanical Properties of Cu-Co Alloys after Severe Plastic Deformation Microstructure and Local Mechanical Properties of Cu-Co Alloys after Severe Plastic Deformation (en)
skos:notation	RIV/68081723:_____/14:00396339!RIV15-GA0-68081723
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP108/11/2260)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Svoboda, Milan Buršík, Jiří 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	29248
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/14:00396339
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	severe plastic deformation; electron microscopy; EBSD (en)
http://linked.open.../riv/klicoveSlovo	electron microscopy EBSD severe plastic deformation
http://linked.open...ontrolniKodProRIV	[C0299AABE5F0]
http://linked.open...v/mistoKonaniAkce	Levoča
http://linked.open...i/riv/mistoVydani	Zurich
http://linked.open...i/riv/nazevZdroje	Local Mechanical Properties IX
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	The link between microstructure and creep behaviour of precipitate strengthened alloys processed by ECAP
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Buršík, Jiří Buršíková, V. Dvořák, Jiří Král, Petr Sklenička, Václav Svoboda, Milan
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open...ain/vavai/riv/wos	000336633500024
http://linked.open.../riv/zahajeniAkce	2012-11-07 (xsd:date)
issn	1013-9826
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.4028/www.scientific.net/KEM.586.100
http://purl.org/ne...btex#hasPublisher	Trans Tech Publications
https://schema.org/isbn	978-3-03785-876-9

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