In the present study, the influence of the Zn content (0.0, 0.5, 1.0, and 2.0 wt.%) on the microstructure, texture, tensile mechanical properties and formability of Mg-1.0Sn-0.5Ca-based alloys after extrusion were investigated via extrusion of Mg sheets and analysis of the extruded materials. Adding Zn improved the microstructure uniformity and accelerated the formation of more CaMgSn and the Ca₂Mg₆Zn₃ phase. In addition, after the addition of Zn, the texture evolved from the initial extrusion direction tilted bimodal texture to a weakened and symmetrical texture. Compared with the Mg-1.0Sn-0.5Ca alloy, the average tensile yield strength and elongation values were simultaneously improved after 0.5 wt.% Zn addition due to the synergistic effect of the solid solution of elemental Zn, the decreased amount of coarse unrecrystallized grains, and the existence of an additional tilted direction texture component. The formability first increased and then decreased with increasing Zn content. In contrast, the deterioration of formability after the further addition of Zn was closely associated with the increased volume fractions of the coarse CaMgSn and Ca₂Mg₆Zn₃ phases.

Driven by energy conservation, emission reduction and lightweight manufacturing demands, wrought magnesium alloys feature low density, high specific strength and balanced comprehensive performances, making them promising lightweight materials for aerospace, automobile, electronic and other industries. This paper systematically reviews the rolling fabrication technologies and recent research progress of wrought magnesium alloy sheets. Special attention is paid to deformation characteristics, microstructure evolution mechanisms and property regulation rules of typical rolling processes, including conventional rolling, cross rolling, accumulative roll bonding, equal-channel angular rolling, asymmetric rolling and twin-roll casting. Existing studies confirm that dynamic recrystallization, grain refinement, activation of non-basal slips and basal texture weakening act as core mechanisms to enhance the strength–ductility matching, formability and anisotropy of magnesium alloy sheets. Each rolling technology possesses unique merits in production efficiency, microstructural homogeneity, texture modification and industrial practicability. Nevertheless, several bottlenecks still restrict its large-scale promotion, such as edge cracking, strong basal texture, poor process stability and high manufacturing cost. Future research priorities lie in multi-process compound forming, intelligent parameter control and short-process eco-friendly manufacturing, so as to facilitate mass production and extensive engineering application of high-performance wrought magnesium alloy sheets.