Sie befinden Sich nicht im Netzwerk der Universität Paderborn. Der Zugriff auf elektronische Ressourcen ist gegebenenfalls nur via VPN oder Shibboleth (DFN-AAI) möglich. mehr Informationen...
Effect of pre-strain and grain size on the evolution of precipitate free zones (PFZs) in a Mg-8Al-0.5Zn alloy
Ist Teil von
Materials letters, 2017-08, Vol.201, p.207-210
Ort / Verlag
Amsterdam: Elsevier B.V
Erscheinungsjahr
2017
Link zum Volltext
Quelle
ScienceDirect Journals (5 years ago - present)
Beschreibungen/Notizen
•First study that examines the effect of pre-strain and grain size on PFZs in a Mg-8Al-0.5Zn alloy.•The PFZ width showed a marked dependence on amount of pre-strain and grain size.•Dislocation pile up at the grain boundary plays an important role in determining the PFZ width.•Solute segregation at the boundary establishes an understanding of PFZ width with grain size.
The aim of this work is to investigate the effect of pre-strain and grain size on the evolution of precipitate free zones (PFZs) in an AZ80 Mg alloy. The results show a significant dependence of PFZ width on pre-strain and grain size. The effect of pre-strain was rationalised by considering the pile up of dislocations at the grain boundary. Alternatively, the grain size effect was evaluated by considering the solute segregation and precipitate characteristics at the grain boundary.