TU Darmstadt / ULB / TUbiblio

Influence of solutes on the competition between mesoscopic grain boundary sliding and coupled grain boundary motion

Schäfer, Jonathan ; Albe, Karsten (2012)
Influence of solutes on the competition between mesoscopic grain boundary sliding and coupled grain boundary motion.
In: Scripta Materialia, 66 (5)
doi: 10.1016/j.scriptamat.2011.11.031
Artikel, Bibliographie

Dies ist die neueste Version dieses Eintrags.

Kurzbeschreibung (Abstract)

The competition between coupled grain boundary motion and mesoscopic grain boundary sliding as deformation mechanisms in polycrystalline metals is studied for nanocrystalline Cu with and without solutes by molecular dynamics computer simulations. It is shown that coupled grain boundary motion contributes to plastic deformation, and it is found that it leads to the suppression of mesoscopic grain boundary sliding. Segregating solutes, however, effectively pin the grain boundaries in place and allow for grain boundary sliding on a mesoscopic scale.

Typ des Eintrags: Artikel
Erschienen: 2012
Autor(en): Schäfer, Jonathan ; Albe, Karsten
Art des Eintrags: Bibliographie
Titel: Influence of solutes on the competition between mesoscopic grain boundary sliding and coupled grain boundary motion
Sprache: Englisch
Publikationsjahr: März 2012
Verlag: Elsevier Science Publishing Company
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Scripta Materialia
Jahrgang/Volume einer Zeitschrift: 66
(Heft-)Nummer: 5
DOI: 10.1016/j.scriptamat.2011.11.031
Kurzbeschreibung (Abstract):

The competition between coupled grain boundary motion and mesoscopic grain boundary sliding as deformation mechanisms in polycrystalline metals is studied for nanocrystalline Cu with and without solutes by molecular dynamics computer simulations. It is shown that coupled grain boundary motion contributes to plastic deformation, and it is found that it leads to the suppression of mesoscopic grain boundary sliding. Segregating solutes, however, effectively pin the grain boundaries in place and allow for grain boundary sliding on a mesoscopic scale.

Freie Schlagworte: Nanocrystalline materials, Grain boundary segregation, Plastic deformation, Molecular dynamics
Fachbereich(e)/-gebiet(e): 11 Fachbereich Material- und Geowissenschaften
11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft
11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Materialmodellierung
Hinterlegungsdatum: 31 Aug 2012 09:57
Letzte Änderung: 26 Aug 2018 21:27
PPN:
Sponsoren: DFG Al578-7, The authors acknowledge financial support by the Deutsche Forschungsgemeinschaft (DFG) through Forschergruppe 714., Computing time was made available by HHLR Frankfurt and Darmstadt, as well as by CSC Jülich.
Export:
Suche nach Titel in: TUfind oder in Google

Verfügbare Versionen dieses Eintrags

  • Influence of solutes on the competition between mesoscopic grain boundary sliding and coupled grain boundary motion. (deposited 31 Aug 2012 09:57) [Gegenwärtig angezeigt]
Frage zum Eintrag Frage zum Eintrag

Optionen (nur für Redakteure)
Redaktionelle Details anzeigen Redaktionelle Details anzeigen