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Improvement Of Mechanical Properties For En Aw 6082 Aluminium Alloy Using Equal-Channel Angular Pressing (Ecap) And Post-Ecap Aging, M Fujda, T Kvačkaj, K Nagyová
Improvement Of Mechanical Properties For En Aw 6082 Aluminium Alloy Using Equal-Channel Angular Pressing (Ecap) And Post-Ecap Aging, M Fujda, T Kvačkaj, K Nagyová
Journal of Metals, Materials and Minerals
The mechanical properties and microstructure of EN AW 6082 aluminium alloy subjected to severe plastic deformation and aging treatment were compared with those of the extruded and artificially aged state (initial state). The initial state of alloy subjected to solution annealing and quenching was severely deformed at ambient temperature by equal channel angular pressing (ECAP) following route C up to three passes. Polyedric microstructure of initial state was considerably changed by the repetitive ECA-pressing. Deformation bands with different density of slip lines were observed in microstructure of ECAPed and aged states, which indicated non-uniform deformation across the cross-section of ECAPed …