About: Influence of ceramic nanoparticles on grain growth in ultra fine grained copper prepared by high pressure torsion

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About: Influence of ceramic nanoparticles on grain growth in ultra fine grained copper prepared by high pressure torsion Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Bulk ultra-fine grained (UFG) materials with no residual porosity can be produced by high pressure torion (HPT). A number of UFG metals exhibit improved mechanical properties consisting in a favourable combination of very high strength and a reasonable ductility. Unfortunately, the thermal stability of UFG structure is rather low. Recrystallization takes place at elevated temperatures and the superior mechanical properties are lost. Thus, it is highly desirable to improve the thermal stability of UFG structure. In the present work we studied the thermal stability of UFG Cu containing Al2O3 nanoparticles. The aim of this work was to check whether the ceramic nanoparticles can inhibit grain growth and, thereby, to extend the thermal stability of UFG structure. We have found that the HPT deformed samples exhibit UFG structure with grain size around 150 nm and a high density of dislocations situated mainly in distorted layers along grain boundaries. Bulk ultra-fine grained (UFG) materials with no residual porosity can be produced by high pressure torion (HPT). A number of UFG metals exhibit improved mechanical properties consisting in a favourable combination of very high strength and a reasonable ductility. Unfortunately, the thermal stability of UFG structure is rather low. Recrystallization takes place at elevated temperatures and the superior mechanical properties are lost. Thus, it is highly desirable to improve the thermal stability of UFG structure. In the present work we studied the thermal stability of UFG Cu containing Al2O3 nanoparticles. The aim of this work was to check whether the ceramic nanoparticles can inhibit grain growth and, thereby, to extend the thermal stability of UFG structure. We have found that the HPT deformed samples exhibit UFG structure with grain size around 150 nm and a high density of dislocations situated mainly in distorted layers along grain boundaries. (en)
Title	Influence of ceramic nanoparticles on grain growth in ultra fine grained copper prepared by high pressure torsion Influence of ceramic nanoparticles on grain growth in ultra fine grained copper prepared by high pressure torsion (en)
skos:prefLabel	Influence of ceramic nanoparticles on grain growth in ultra fine grained copper prepared by high pressure torsion Influence of ceramic nanoparticles on grain growth in ultra fine grained copper prepared by high pressure torsion (en)
skos:notation	RIV/00216208:11320/07:10084014!RIV11-MSM-11320___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM0021620834)
http://linked.open...iv/cisloPeriodika	10
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Cieslar, Miroslav Matěj, Zdeněk Kužel, Radomír Procházka, Ivan Čížek, Jakub Cherkaska, Viktoriya
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	426154
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/07:10084014
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ceramic; HPT; Al2O3; UFG; bulk (en)
http://linked.open.../riv/klicoveSlovo	Al2O3 UFG bulk HPT ceramic
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[92970F5344E9]
http://linked.open...i/riv/nazevZdroje	Physica Status Solidi. C. Solid State Physics
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...UplatneniVysledku	2007
http://linked.open...v/svazekPeriodika	4
http://linked.open...iv/tvurceVysledku	Cieslar, Miroslav Matěj, Zdeněk Procházka, Ivan Čížek, Jakub Kužel, Radomír Islamgaliev, Rinat K. Kulyasova, Olya Cherkaska, Viktoriya
http://linked.open...n/vavai/riv/zamer	Condensed Matter Physics – New Materials and Technologies
issn	1862-6351
number of pages	4 (xsd:int)
http://localhost/t...ganizacniJednotka	11320
is http://linked.open...avai/riv/vysledek of	Influence of ceramic nanoparticles on grain growth in ultra fine grained copper prepared by high pressure torsion Influence of ceramic nanoparticles on grain growth in ultra fine grained copper prepared by high pressure torsion

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