About: Interdiffusion in ternary Ni3Al/Ni3Al-X diffusion couples with X = Cr, Fe, Nb and Ti.

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About: Interdiffusion in ternary Ni3Al/Ni3Al-X diffusion couples with X = Cr, Fe, Nb and Ti. Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The gamma' single phase interdiffusion in selected pseudo-binary sections of the Ni3Al-X (X = Cr, Fe, Nb and Ti) ternary alloys was studied in temperature interval 1173-1533 K in order to assess the influence of the site-preference of components upon their diffusion rate. It was observed that (a) Higher fraction of Cr or Fe on Al sublattice leads to lower values of D ((Ni))(XX). (b) Both Ti and Nb, preferring strongly the Al sublattice, show significantly lower interdiffusion coefficients than Fe and Cr. (c) The equation D-XX((Ni)) = D-AlAl((Ni)) holds for Ti and Nb, whereas the relation D-XX((Ni)) > D-AlAl((Ni)) is valid for Cr and Fe. (d) Activation enthalpy of Q(ii)((i)) shows a systematic decrease with increasing valence electron number of the alloying element i. (e) Nb shows a transient behavior Q - it has low values of diffusion coefficient compared to its site occupation but also a low activation energy. The gamma' single phase interdiffusion in selected pseudo-binary sections of the Ni3Al-X (X = Cr, Fe, Nb and Ti) ternary alloys was studied in temperature interval 1173-1533 K in order to assess the influence of the site-preference of components upon their diffusion rate. It was observed that (a) Higher fraction of Cr or Fe on Al sublattice leads to lower values of D ((Ni))(XX). (b) Both Ti and Nb, preferring strongly the Al sublattice, show significantly lower interdiffusion coefficients than Fe and Cr. (c) The equation D-XX((Ni)) = D-AlAl((Ni)) holds for Ti and Nb, whereas the relation D-XX((Ni)) > D-AlAl((Ni)) is valid for Cr and Fe. (d) Activation enthalpy of Q(ii)((i)) shows a systematic decrease with increasing valence electron number of the alloying element i. (e) Nb shows a transient behavior Q - it has low values of diffusion coefficient compared to its site occupation but also a low activation energy. (en)
Title	Interdiffusion in ternary Ni3Al/Ni3Al-X diffusion couples with X = Cr, Fe, Nb and Ti. Interdiffusion in ternary Ni3Al/Ni3Al-X diffusion couples with X = Cr, Fe, Nb and Ti. (en)
skos:prefLabel	Interdiffusion in ternary Ni3Al/Ni3Al-X diffusion couples with X = Cr, Fe, Nb and Ti. Interdiffusion in ternary Ni3Al/Ni3Al-X diffusion couples with X = Cr, Fe, Nb and Ti. (en)
skos:notation	RIV/68081723:_____/03:07033033!RIV/2004/AV0/A07004/N
http://linked.open.../vavai/riv/strany	939;946
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA106/00/0173), P(IBS2041105), Z(AV0Z2041904)
http://linked.open...iv/cisloPeriodika	9
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Gazda, Aleš Čermák, Jiří Rothová, Věra
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	610882
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/03:07033033
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	interdiffusion; Ni3Al; intermetallics (en)
http://linked.open.../riv/klicoveSlovo	intermetallics Ni3Al interdiffusion
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[1529A61AB195]
http://linked.open...i/riv/nazevZdroje	Intermetallics
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Mutual diffusion of substitutional elements in modified Ni3Al intermetallics Surfaces and interfaces in structural materials - applications of modern technologies and computer modelling
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	11
http://linked.open...iv/tvurceVysledku	Čermák, Jiří Rothová, Věra Gazda, Aleš
http://linked.open...n/vavai/riv/zamer	Behavior and properties of metallic and non-metallic materials in relation to their structure, research on processes leading to degradation of material quality
issn	0966-9795
number of pages	8 (xsd:int)

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