Microstructure Evolution during High-Pressure Torsion in a 7xxx AlZnMgZr Alloy
Anwar Qasim Ahmed,
Dániel Olasz,
Elena V. Bobruk
et al.
Abstract:A homogenized, supersaturated AlZnMgZr alloy was processed via severe plastic deformation (SPD) using a high-pressure torsion (HPT) technique for different revolutions at room temperature to obtain an ultrafine-grained (UFG) microstructure. The microstructure and mechanical properties of the UFG samples were then studied using transmission electron microscopy (TEM), differential scanning calorimetry (DSC), and tensile and hardness measurements. The main purpose was to study the effect of shear strain on the ev… Show more
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