About: Tracer diffusion of 65Zn, 110mAg and 88Y in QE22 metal matrix composite

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Tracer diffusion of 65Zn, 110mAg and 88Y in QE22 metal matrix composite was measured by serial sectioning method in the temperature interval 646–728 K. In the case of the reinforced alloy, the effective diffusion coefficients Deff were obtained and interface diffusion coefficients D i in the interface boundaries were estimated. Both temperature dependences of Deff and D i were not Arrhenius-type. This feature was explained by the large difference in coefficients of the thermal expansion of the metal matrix and the reinforcement. In the case of 88Y diffusion in un-reinforced QE22 alloy, it was found that yttrium diffuses along dislocations that act as paths of rapid diffusion. Diffusivity of 88Y along dislocations, a2sDd, was estimated. Tracer diffusion of 65Zn, 110mAg and 88Y in QE22 metal matrix composite was measured by serial sectioning method in the temperature interval 646–728 K. In the case of the reinforced alloy, the effective diffusion coefficients Deff were obtained and interface diffusion coefficients D i in the interface boundaries were estimated. Both temperature dependences of Deff and D i were not Arrhenius-type. This feature was explained by the large difference in coefficients of the thermal expansion of the metal matrix and the reinforcement. In the case of 88Y diffusion in un-reinforced QE22 alloy, it was found that yttrium diffuses along dislocations that act as paths of rapid diffusion. Diffusivity of 88Y along dislocations, a2sDd, was estimated. (en) Difúze 65Zn, 110mAg a 88Y in QE22 kompozitu byla studována metodou odebírání vrstev v teplotním intervalu 646–728 K. V případě kompozitní sloučeniny, byly získány efektivní difúzní koeficienty Deff a odhadnuty mezifázové difúzní koeficienty D i in v mezifázových hranicích. Obě teplotní závislosti of Deff and D i byly nearrheniovského typu. Tento rys byls vysvětlen s pomocí velkého rozdílu koeficientu tepelné expanze matrice a vyztužení. V případě difúze 88Y v nevyztužené slitině QE22 bylo zjištěno, že ytrium difunduje podél dislokací, které slouží jako prostředek rychlé difúze. Byla oddhadnuta difuzivity 88Y podél dislokací, a2sDd. (cs)
Title	Tracer diffusion of 65Zn, 110mAg and 88Y in QE22 metal matrix composite Tracer diffusion of 65Zn, 110mAg and 88Y in QE22 metal matrix composite (en) Difúze 65Zn, 110mAg and 88Y in QE22 kompozitu (cs)
skos:prefLabel	Tracer diffusion of 65Zn, 110mAg and 88Y in QE22 metal matrix composite Tracer diffusion of 65Zn, 110mAg and 88Y in QE22 metal matrix composite (en) Difúze 65Zn, 110mAg and 88Y in QE22 kompozitu (cs)
skos:notation	RIV/68081723:_____/09:00322041!RIV09-AV0-68081723
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA106/05/2115), Z(AV0Z20410507)
http://linked.open...iv/cisloPeriodika	1-2
http://linked.open...vai/riv/dodaniDat	2009
http://linked.open...aciTvurceVysledku	Stloukal, Ivo Čermák, Jiří
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	Ústav fyziky materiálů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	346614
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/09:00322041
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	composite materials; metal matrix composite; diffusion (en)
http://linked.open.../riv/klicoveSlovo	composite materials diffusion metal matrix composite
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[31E82CEFCCF9]
http://linked.open...i/riv/nazevZdroje	Journal of Alloys and Compounds
http://linked.open...in/vavai/riv/obor	BJ
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Diffusion of constituents in Mg-based advanced alloys and composites
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	471
http://linked.open...iv/tvurceVysledku	Čermák, Jiří Stloukal, Ivo
http://linked.open...ain/vavai/riv/wos	000265086300032
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing
issn	0925-8388
number of pages	7 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Tracer diffusion of 65Zn, 110mAg and 88Y in QE22 metal matrix composite Tracer diffusion of 65Zn, 110mAg and 88Y in QE22 metal matrix composite

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