Twinning of AZ31 magnesium alloy analyzed by EBSD technique

Electron Backscattered Diffraction(EBSD) technique in the scanning electron microscopy was used to analyze the twinning of AZ31 magnesium alloy compressed at room temperature and 150℃,with the compression axis parallel to ND and TD.In samples deformed at 150℃ extensive twinning {10-12} only occurs in samples where the basal plane normals are initially aligned approximately perpendicular to the compressive stress axis.We discuss the particular advantage of EBSD for research on the relationship between grain orientation and twinning,and the difficulty of preparing magnesium sample for EBSD studies.