About: Sintering of gadolinia-doped ceria prepared by mechanochemical synthesis

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Gadolinia-doped ceria (GDC) ceramics were prepared by mechanochemical synthesis of ceria and gadolinia (10mol.%) powders with subsequent uniaxial pressing and pressureless sintering. The mechanochemical synthesis was conducted in an attritor with different dispersion media: neutral (distilled water), basic (aqueous solution of ammonia), acidic (aqueous solution of propionic acid), and non-polar medium (xylene with stearic acid). The effect of suspension composition and attritor milling time on the sintering behaviour and ionic conductivity of GDC was studied. An attritor milling time of 3 to 6 hours was evaluated as the optimum milling time from the viewpoint of further sintering behaviour. Longer milling times resulted in nanometre-sized powders, whose sintering behaviour deteriorated due to powder agglomeration. The appearance of agglomerates in the non-polar medium was reduced. The ionic conductivity of the samples was evaluated by impedance spectroscopy and correlated with their microstructure. Gadolinia-doped ceria (GDC) ceramics were prepared by mechanochemical synthesis of ceria and gadolinia (10mol.%) powders with subsequent uniaxial pressing and pressureless sintering. The mechanochemical synthesis was conducted in an attritor with different dispersion media: neutral (distilled water), basic (aqueous solution of ammonia), acidic (aqueous solution of propionic acid), and non-polar medium (xylene with stearic acid). The effect of suspension composition and attritor milling time on the sintering behaviour and ionic conductivity of GDC was studied. An attritor milling time of 3 to 6 hours was evaluated as the optimum milling time from the viewpoint of further sintering behaviour. Longer milling times resulted in nanometre-sized powders, whose sintering behaviour deteriorated due to powder agglomeration. The appearance of agglomerates in the non-polar medium was reduced. The ionic conductivity of the samples was evaluated by impedance spectroscopy and correlated with their microstructure. (en)
Title	Sintering of gadolinia-doped ceria prepared by mechanochemical synthesis Sintering of gadolinia-doped ceria prepared by mechanochemical synthesis (en)
skos:prefLabel	Sintering of gadolinia-doped ceria prepared by mechanochemical synthesis Sintering of gadolinia-doped ceria prepared by mechanochemical synthesis (en)
skos:notation	RIV/00216305:26210/07:PU64439!RIV11-MSM-26210___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(OC 102), Z(MSM0021630508)
http://linked.open...iv/cisloPeriodika	13-15
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Zmeškal, Oldřich Částková, Klára Hadraba, Hynek Maca, Karel Cihlář, Jaroslav
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	Vysoké učení technické v Brně / Fakulta strojního inženýrství
http://linked.open...dnocenehoVysledku	450061
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/07:PU64439
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Milling, Sintering, Ionic conductivity, Gadolinia-doped CeO2 (en)
http://linked.open.../riv/klicoveSlovo	Ionic conductivity Sintering Milling Gadolinia-doped CeO2
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[17C804E480F7]
http://linked.open...i/riv/nazevZdroje	Journal of the European Ceramic Society
http://linked.open...in/vavai/riv/obor	JH
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	http://linked.opendata.cz/resource/domain/vavai/projekt/OC%20102
http://linked.open...UplatneniVysledku	2007
http://linked.open...v/svazekPeriodika	27
http://linked.open...iv/tvurceVysledku	Hadraba, Hynek Zmeškal, Oldřich Maca, Karel Cihlář, Jaroslav Částková, Klára
http://linked.open...ain/vavai/riv/wos	000248822800163
http://linked.open...n/vavai/riv/zamer	Anorganické nanomateriály a nanostruktury: vytváření, analýza, vlastnosti
issn	0955-2219
number of pages	4 (xsd:int)
http://localhost/t...ganizacniJednotka	26210

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