About: Structural Studies of Submicrocrystalline Copper and Copper Composites by Different Methods

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Microstructure of Cu, Cu Al2O3, Cu Zr samples deformed by high pressure torsion and equal channel angular pressing was studied by several methods: X-ray diffraction (XRD), transmission electron microscopy (TEM), positron annihilation spectroscopy (PAS) and electron back-scatter diffraction (EBSD). Line broadening analysis showed that the HPT samples have smaller crystallite size compared to the ECAP samples while the dislocation densities were similar - of the order of 1 x 10(15) m(-2). Only small changes in the mean dislocation density with increasing number of ECAP passes were found by XRD. On the other hand, significant microstructural changes and grain fragmentation were revealed by TEM and EBSD. With increasing strain due to ECAP elongated dislocation cells with low-angle boundaries developed into more equiaxed subgrains and grains separated by high-angle grain boundaries. Microstructure of Cu, Cu Al2O3, Cu Zr samples deformed by high pressure torsion and equal channel angular pressing was studied by several methods: X-ray diffraction (XRD), transmission electron microscopy (TEM), positron annihilation spectroscopy (PAS) and electron back-scatter diffraction (EBSD). Line broadening analysis showed that the HPT samples have smaller crystallite size compared to the ECAP samples while the dislocation densities were similar - of the order of 1 x 10(15) m(-2). Only small changes in the mean dislocation density with increasing number of ECAP passes were found by XRD. On the other hand, significant microstructural changes and grain fragmentation were revealed by TEM and EBSD. With increasing strain due to ECAP elongated dislocation cells with low-angle boundaries developed into more equiaxed subgrains and grains separated by high-angle grain boundaries. (en)
Title	Structural Studies of Submicrocrystalline Copper and Copper Composites by Different Methods Structural Studies of Submicrocrystalline Copper and Copper Composites by Different Methods (en)
skos:prefLabel	Structural Studies of Submicrocrystalline Copper and Copper Composites by Different Methods Structural Studies of Submicrocrystalline Copper and Copper Composites by Different Methods (en)
skos:notation	RIV/00216208:11320/08:00206866!RIV10-MSM-11320___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA101120803), P(KAN400720701), Z(MSM0021620834)
http://linked.open...iv/cisloPeriodika	27
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Janeček, Miloš Dopita, Milan Matěj, Zdeněk Kužel, Radomír Čížek, Jakub
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	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	397797
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/08:00206866
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Structural; Studies; Submicrocrystalline; Copper; Copper; Composites; Different; Methods (en)
http://linked.open.../riv/klicoveSlovo	Submicrocrystalline Copper Composites Methods Different Structural Studies
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[E546C2491A3E]
http://linked.open...i/riv/nazevZdroje	Zeitschrift für Kristallographie
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Structure stability of fine-grained materials prepared by severe plastic deformation Hierarchic nanosystems for microelektronics
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	Neuveden
http://linked.open...iv/tvurceVysledku	Janeček, Miloš Matěj, Zdeněk Čížek, Jakub Kužel, Radomír Dopita, Milan Cherkaska, V.
http://linked.open...ain/vavai/riv/wos	000264441800009
http://linked.open...n/vavai/riv/zamer	Condensed Matter Physics – New Materials and Technologies
issn	0044-2968
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	11320
is http://linked.open...avai/riv/vysledek of	Structural Studies of Submicrocrystalline Copper and Copper Composites by Different Methods Structural Studies of Submicrocrystalline Copper and Copper Composites by Different Methods Structural Studies of Submicrocrystalline Copper and Copper Composites by Different Methods Structural Studies of Submicrocrystalline Copper and Copper Composites by Different Methods

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