About: Concentration dependence of ternary interdiffusion coefficients in Ni3Al/Ni3Al-X couples with X = Cr, Fe, Nb and Ti.

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About: Concentration dependence of ternary interdiffusion coefficients in Ni3Al/Ni3Al-X 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 Ni3Al-X (X = Cr, Fe, Nb and Ti) was studied in temperature interval 1173-1533 K. Elements of diffusion matrix, (D) over tilde ((Ni))(ij), were estimated by a modification of Dayananda's method which enables evaluation of their concentration dependence using one couple only. It was found that activation enthalpy, Q(XX)((Ni)), and frequency factor, D-o(XX)(Ni), decrease with increasing concentration of element X. In the limit c(x)-->0, the values of (D) over tilde ((Ni))(XX) approach the literature values of tracer diffusion coefficients of X in Ni3Al. An estimation of Al 'tracer' diffusion coefficient in Ni3Al was obtained that is in reasonable agreement with other estimations in the literature. With decreasing concentration of X in Ni3Al, the difference between Arrhenius parameters Q(XX)((Ni)), D-o(XX)(Ni) and respective values of Q(AlAl)((Ni)) and D-oAlAl((Ni)) decreases, Q(XX)((Ni)), D-o(Ni)(XX) agree with values reported in the literature for very diluted s The gamma' single phase interdiffusion in Ni3Al-X (X = Cr, Fe, Nb and Ti) was studied in temperature interval 1173-1533 K. Elements of diffusion matrix, (D) over tilde ((Ni))(ij), were estimated by a modification of Dayananda's method which enables evaluation of their concentration dependence using one couple only. It was found that activation enthalpy, Q(XX)((Ni)), and frequency factor, D-o(XX)(Ni), decrease with increasing concentration of element X. In the limit c(x)-->0, the values of (D) over tilde ((Ni))(XX) approach the literature values of tracer diffusion coefficients of X in Ni3Al. An estimation of Al 'tracer' diffusion coefficient in Ni3Al was obtained that is in reasonable agreement with other estimations in the literature. With decreasing concentration of X in Ni3Al, the difference between Arrhenius parameters Q(XX)((Ni)), D-o(XX)(Ni) and respective values of Q(AlAl)((Ni)) and D-oAlAl((Ni)) decreases, Q(XX)((Ni)), D-o(Ni)(XX) agree with values reported in the literature for very diluted s (en)
Title	Concentration dependence of ternary interdiffusion coefficients in Ni3Al/Ni3Al-X couples with X = Cr, Fe, Nb and Ti. Concentration dependence of ternary interdiffusion coefficients in Ni3Al/Ni3Al-X couples with X = Cr, Fe, Nb and Ti. (en)
skos:prefLabel	Concentration dependence of ternary interdiffusion coefficients in Ni3Al/Ni3Al-X couples with X = Cr, Fe, Nb and Ti. Concentration dependence of ternary interdiffusion coefficients in Ni3Al/Ni3Al-X couples with X = Cr, Fe, Nb and Ti. (en)
skos:notation	RIV/68081723:_____/03:07033034!RIV/2004/AV0/A07004/N
http://linked.open.../vavai/riv/strany	4411 ; 4421
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	15
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	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	601969
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/03:07033034
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	[9EDC1F8D5ABF]
http://linked.open...i/riv/nazevZdroje	Acta Materialia
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (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	51
http://linked.open...iv/tvurceVysledku	Čermák, Jiří Rothová, Věra
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	1359-6454
number of pages	21 (xsd:int)

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