A macroscopic yield function coupled with crystal plasticity theory for modeling forming of AZ31 magnesium alloy sheets

We present a multi-scale computational tool that uses an anisotropic yield function developed by Cazacu et. al [5] to generate yield surfaces for forming simulations of commercial grade AZ31 magnesium alloy sheets. This macroscopic scale model uses input parameters obtained (a) only from mechanical tests and (b) a combination of mechanical test data and data generated using a microstructure based crystal plasticity model that incorporates slip …