Recovery and Strain-Hardening of AlMg Alloys

The recovery of AlMg alloys cold-rolled to several strains between 0.1 and 3 has been studied by tensile tests. The study is based on the determination of the tensile strain-hardening properties at constant strain-rate, as a function of the initial prestrain and of the static recovery temperature and duration.A modeling of the tensile curves is performed through plastic strain constitutive equations where are taken into account at a mesoscopic …