About: Defect studies of nanocrystalline zirconia powders and sintered ceramics

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A study of defects behavior in pressure-compacted yttria-stabilized zirconia (YSZ) nanopowders with different contents of Y2O3 and ceramics obtained by sintering the YZS nanopowders was performed. Positron annihilation techniques were involved in this study as the principal tools. Theoretical calculations have indicated that the zirconium vacancies are the only deep positron traps in these materials. In the compacted YSZ nanopowders, a majority of positrons is trapped either in the vacancy-like defects situated along grain boundaries or in vacancy clusters at intersections of grain boundaries. The intensity ratio was found to be correlated with the mean grain size. A significant grain growth during sintering of the YSZ nanopowders above 1000 °C was observed. A study of defects behavior in pressure-compacted yttria-stabilized zirconia (YSZ) nanopowders with different contents of Y2O3 and ceramics obtained by sintering the YZS nanopowders was performed. Positron annihilation techniques were involved in this study as the principal tools. Theoretical calculations have indicated that the zirconium vacancies are the only deep positron traps in these materials. In the compacted YSZ nanopowders, a majority of positrons is trapped either in the vacancy-like defects situated along grain boundaries or in vacancy clusters at intersections of grain boundaries. The intensity ratio was found to be correlated with the mean grain size. A significant grain growth during sintering of the YSZ nanopowders above 1000 °C was observed. (en)
Title	Defect studies of nanocrystalline zirconia powders and sintered ceramics Defect studies of nanocrystalline zirconia powders and sintered ceramics (en)
skos:prefLabel	Defect studies of nanocrystalline zirconia powders and sintered ceramics Defect studies of nanocrystalline zirconia powders and sintered ceramics (en)
skos:notation	RIV/00216208:11320/10:10069757!RIV11-MSM-11320___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(KAN300100801), P(KJB101120906), P(OC 165), Z(MSM0021620834)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Kužel, Radomír Melikhova, Oksana Procházka, Ivan Kuriplach, Jan 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	253097
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/10:10069757
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ceramics; sintered; nanocrystalline zirconia powders; Defects (en)
http://linked.open.../riv/klicoveSlovo	Defects ceramics nanocrystalline zirconia powders sintered
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[4C181C90465C]
http://linked.open...i/riv/nazevZdroje	Physical Review B - Condensed Matter and Materials Physics
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	9 (xsd:int)
http://linked.open...vavai/riv/projekt	Multifunctional bulk metallic materials with nanocrystalline and ultrafine-grained structure http://linked.opendata.cz/resource/domain/vavai/projekt/OC%20165 Hydrogen interaction with defects in zirconia
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	81
http://linked.open...iv/tvurceVysledku	Anwand, Wolfgang Brauer, Gerhard Kuriplach, Jan Melikhova, Oksana Procházka, Ivan Čížek, Jakub Kužel, Radomír Danilenko, Igor A. Konstantinova, Tatyana E.
http://linked.open...ain/vavai/riv/wos	000277101300006
http://linked.open...n/vavai/riv/zamer	Condensed Matter Physics – New Materials and Technologies
issn	1098-0121
number of pages	19 (xsd:int)
http://localhost/t...ganizacniJednotka	11320

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