Modeling of temperature- and stress state-dependent yield and fracture behaviors for Mg-Gd-Y alloy

•Identification of the temperature- and stress state-dependent yield and fracture behaviors for the Mg-Gd-Y alloy;•Proposing MZA model to characterize the coupling effect of temperature and strain;•Incorporating the temperature-dependent parameter to the yield and fracture models;•Prediction for the evolving yield behavior and fracture occurrence.