Texture and anisotropy of the mechanical properties of 2 mm sheets of Mg-9Li-3Al-0.4Ce alloy

Abstract

Abstract The phase composition, texture and anisotropy of the mechanical properties of 2 mm sheets of Mg-9Li-3Al-0.4Ce alloy were studied by X-ray diffraction and mechanical tests. It is shown that the alloy contains two solid solutions, the α phase with HCP lattice based on Mg and the β phase with BCC lattice based on Li. Intermetallic Al12Mg17 is also present in the alloy. Alloy sheets are characterized by a basal α-phase texture. At the same time, the most durable prismatic orientations are mainly located in the transverse rolling direction (TD), which leads to higher strength properties in this direction compared to the rolling direction (RD). The texture of the basicβ-phase in RD and TD does not differ and, accordingly, does not contribute to the anisotropy of strength properties.