ABSTRACT

In this paper, an enhanced crystal plasticity finite-element model is employed to analyse temperature- and strain-rate-dependent mechanical behaviour of AM30 magnesium alloy. A constitutive description of plastic deformation in the suggested scheme accounts for contributions by deformation slip and twinning. A three-dimensional mesoscale model was calibrated for different temperatures and strain rates based on extensive experimental data. Mechanical behaviour of the studied alloywas investigated based on uniaxial compression tests in the rolling directions. The modelling framework provided a useful insight into specific features of plastic deformation in magnesium alloy under compression.