Title of article :
Microstructure strengthening mechanisms in an Al–Mg–Si–Sc–Zr equal channel angular pressed aluminium alloy
Author/Authors :
Marcello Cabibbo، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2013
Abstract :
Microstructure dislocation strengthening mechanisms in severely deformed aluminium strongly depend on the different boundary evolutions. Thereafter, models of proof stress determination should take into account the different nature of the boundaries that form during severe plastic deformation. In the last few decades, Hall–Petch modified relationship and other proof stress modelling were extensively discussed. This paper deals with further insights into the Hansenʹs and other authors approach to the modelling of aluminium poof stress after equal channel angular pressing. The present model is based on a detailed transmission electron microscopy microstructure characterization of the different strengthening contributions in an age-hardened Al–Mg–Si–Sc–Zr alloy.
Keywords :
Strengthening mechanisms , Proof stress , ECAP , Moiré fringe boundary , TEM
Journal title :
Applied Surface Science
Journal title :
Applied Surface Science