Effect of over-aging on the microstructural evolution in an Al-Cu-Mg-Ag alloy during ECAP at 300 °C

► The microstructural evolution of an Al-Cu-Mg-Ag alloy during ECAP at 300 °C. ► Effect of different particles on dynamic recrystallization mechanisms. ► Deformation-induced precipitation in the quenched and over-aged Al-Cu-Mg-Ag alloys.