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Statements

Subject Item
n2:RIV%2F68081723%3A_____%2F11%3A00363703%21RIV12-AV0-68081723
rdf:type
n7:Vysledek skos:Concept
dcterms:description
Understanding the solute drag in migrating grain boundaries or interfaces has been a topic in materials research since Cahn’s seminal paper in 1962. However, mostly steady-state solutions for solute segregation and drag in a migrating interface have been investigated. Here a new concept, based on the thermodynamic extremal principle, is introduced, which allows a detailed study of the transient processes in the migrating interface starting from a given initial configuration. The system is then described by two parameters, the first representing the amount of segregated solute in the grain boundary and the second the grain boundary position. Stability studies are performed using the perturbation concept. The model is demonstrated by simulations for a Fe–0.1 at.% Ni alloy taking different values for the grain boundary mobility and the driving force. Understanding the solute drag in migrating grain boundaries or interfaces has been a topic in materials research since Cahn’s seminal paper in 1962. However, mostly steady-state solutions for solute segregation and drag in a migrating interface have been investigated. Here a new concept, based on the thermodynamic extremal principle, is introduced, which allows a detailed study of the transient processes in the migrating interface starting from a given initial configuration. The system is then described by two parameters, the first representing the amount of segregated solute in the grain boundary and the second the grain boundary position. Stability studies are performed using the perturbation concept. The model is demonstrated by simulations for a Fe–0.1 at.% Ni alloy taking different values for the grain boundary mobility and the driving force.
dcterms:title
Transient Solute Drag in Migrating Grain Boundaries Transient Solute Drag in Migrating Grain Boundaries
skos:prefLabel
Transient Solute Drag in Migrating Grain Boundaries Transient Solute Drag in Migrating Grain Boundaries
skos:notation
RIV/68081723:_____/11:00363703!RIV12-AV0-68081723
n7:predkladatel
n11:ico%3A68081723
n3:aktivita
n4:Z n4:P
n3:aktivity
P(OC10029), Z(AV0Z20410507)
n3:cisloPeriodika
17
n3:dodaniDat
n10:2012
n3:domaciTvurceVysledku
n19:5463009
n3:druhVysledku
n14:J
n3:duvernostUdaju
n6:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
235833
n3:idVysledku
RIV/68081723:_____/11:00363703
n3:jazykVysledku
n13:eng
n3:klicovaSlova
Grain boundary diffusion; Grain boundary migration; Grain boundary segregation
n3:klicoveSlovo
n12:Grain%20boundary%20migration n12:Grain%20boundary%20segregation n12:Grain%20boundary%20diffusion
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[DE15071F9B38]
n3:nazevZdroje
Acta Materialia
n3:obor
n16:BJ
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
3
n3:projekt
n17:OC10029
n3:rokUplatneniVysledku
n10:2011
n3:svazekPeriodika
59
n3:tvurceVysledku
Fischer, F. D. Svoboda, Jiří Liendl, M.
n3:wos
000295446000006
n3:zamer
n15:AV0Z20410507
s:issn
1359-6454
s:numberOfPages
7