About: Transient Solute Drag in Migrating Grain Boundaries

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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. (en)
Title	Transient Solute Drag in Migrating Grain Boundaries Transient Solute Drag in Migrating Grain Boundaries (en)
skos:prefLabel	Transient Solute Drag in Migrating Grain Boundaries Transient Solute Drag in Migrating Grain Boundaries (en)
skos:notation	RIV/68081723:_____/11:00363703!RIV12-AV0-68081723
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(OC10029), Z(AV0Z20410507)
http://linked.open...iv/cisloPeriodika	17
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Svoboda, 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	235833
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/11:00363703
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Grain boundary diffusion; Grain boundary migration; Grain boundary segregation (en)
http://linked.open.../riv/klicoveSlovo	Grain boundary diffusion Grain boundary migration Grain boundary segregation
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[DE15071F9B38]
http://linked.open...i/riv/nazevZdroje	Acta Materialia
http://linked.open...in/vavai/riv/obor	BJ
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Thermodynamic Modeling of Microstructure Evolution in Nanocomposites
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	59
http://linked.open...iv/tvurceVysledku	Fischer, F. D. Svoboda, Jiří Liendl, M.
http://linked.open...ain/vavai/riv/wos	000295446000006
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing
issn	1359-6454
number of pages	7 (xsd:int)

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