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  • Difúze 110mAg v komerční hořčíkové slitině QE22 s a bez Saffilových vláken byla studována v teplotním intervalu 648-728 K. Získané difúzní koeficienty Dv získané ve slitině bez vláken umožňují vyhodnotit vliv rozhraní mezi matricí a Saffilovými vlákny na efektivní difúzní koeficient Deff a odhadnout mezifázový difúzní koeficient Di stříbra v mezifázových hranicích. Výsledky získané pro slitinu bez vláken vykazují typické Arrheniovské chování. Bylo pozorování, že teplotní závislosti koeficientů Deff a Di nejsou Arrheniovského typu ve studovaném intervalu. Toto chování je přisuzováno relaxaci tepelně elastického napětí v kompozitu jako důsledek velkého rozdílů v hodnotách koeficientů tepelné expanze (CTE) Saffilových vláken a kovové matrice. (cs)
  • Diffusion of 110mAg in commercial QE22 magnesium alloy with and without short Saffil fibers reinforcement is measured by the radiotracer technique in the temperature interval 648–728 K. The obtained diffusion coefficients Dv in the experimental alloys without reinforcement allow to evaluate the influence of the interface between matrix and Saffil fibers on the effective diffusion coefficient Deff and estimate the interface diffusion coefficient Di of Ag in interphase boundaries. The results obtained for un-reinforced alloy show typical Arrhenius behavior. It is observed that the temperature dependence of diffusion coefficients Deff and Di is not Arrhenius-like in the studied temperature interval. This behavior is attributed to relaxation of thermo elastic stresses in the composite as an effect of large difference between coefficients of thermal expansion (CTE) of Saffil fibers and metal matrix.
  • Diffusion of 110mAg in commercial QE22 magnesium alloy with and without short Saffil fibers reinforcement is measured by the radiotracer technique in the temperature interval 648–728 K. The obtained diffusion coefficients Dv in the experimental alloys without reinforcement allow to evaluate the influence of the interface between matrix and Saffil fibers on the effective diffusion coefficient Deff and estimate the interface diffusion coefficient Di of Ag in interphase boundaries. The results obtained for un-reinforced alloy show typical Arrhenius behavior. It is observed that the temperature dependence of diffusion coefficients Deff and Di is not Arrhenius-like in the studied temperature interval. This behavior is attributed to relaxation of thermo elastic stresses in the composite as an effect of large difference between coefficients of thermal expansion (CTE) of Saffil fibers and metal matrix. (en)
Title
  • Silver diffusion in commercial QE22 magnesium alloy with Saffil fiber reinforcement
  • Difúze stříbra v komerční hořčíkové slitině QE22 vyztužené Saffilovými vlákny (cs)
  • Silver diffusion in commercial QE22 magnesium alloy with Saffil fiber reinforcement (en)
skos:prefLabel
  • Silver diffusion in commercial QE22 magnesium alloy with Saffil fiber reinforcement
  • Difúze stříbra v komerční hořčíkové slitině QE22 vyztužené Saffilovými vlákny (cs)
  • Silver diffusion in commercial QE22 magnesium alloy with Saffil fiber reinforcement (en)
skos:notation
  • RIV/68081723:_____/08:00312348!RIV09-AV0-68081723
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA106/05/2115), Z(AV0Z20410507)
http://linked.open...iv/cisloPeriodika
  • 13
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 394719
http://linked.open...ai/riv/idVysledku
  • RIV/68081723:_____/08:00312348
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • magnesium; metal-matrix composites; short-fibres composites (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [EF5E0D88AB95]
http://linked.open...i/riv/nazevZdroje
  • Composites Science and Technology
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
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http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 68
http://linked.open...iv/tvurceVysledku
  • Čermák, Jiří
  • Stloukal, Ivo
http://linked.open...ain/vavai/riv/wos
  • 000261388200028
http://linked.open...n/vavai/riv/zamer
issn
  • 0266-3538
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