Effect of ECAP on the Plastic Strain Homogeneity, Microstructural Evolution, Crystallographic Texture and Mechanical Properties of AA2xxx Aluminum Alloy

This study presents a comprehensive evaluation of Equal Channel Angular Pressing (ECAP) processing on the structural evolution and mechanical properties AA2xxx aluminum alloy. Finite element analysis (FE) was used to deformation behavior billets during in addition investigate strain homogeneity longitudinal transverse direction. Billets AA2011 alloy were processed successfully through ECAP up 4-passes with rotating sample 90° along its axis same direction after each pass (route Bc) at 150 °C. The microstructural crystallographic texture analyzed using electron back-scatter diffraction (EBSD) optical microscopy (OM). An hardness tensile presented correlated EBSD findings FE simulations. results good agreement experimental finding evolution. Processing produced an ultrafine-grained structure (UFG) recrystallized fine grain dominated coupled geometric subdivision which indicated by refining very high density substructures. reduction size enhancement hardness, strength 66.6%, 52%, respectively compared as-annealed counterpart. 1-pass 2-passes resulted strong significant rotation for components whereas led losing symmetry intensity.