Method for preparing high-performance magnesium alloy through secondary deformation

The invention provides a method for preparing a high-performance magnesium alloy. The method comprises the steps of 1, conducting surface treatment on a magnesium alloy blank; 2, conducting pre-extrusion deformation machining on the magnesium alloy blank subjected to surface treatment; 3, conducting machining treatment on the magnesium alloy blank subjected to pre-extrusion deformation, so that amagnesium alloy bar with the preset diameter is obtained; and 4, performing groove rolling deformation processing on the magnesium alloy round bar subjected to machining processing. According to the method for preparing the high-performance magnesium alloy provided by the invention, the plastic processing behavior of the alloy is improved, the mechanical property of the alloy is improved, meanwhile, the production efficiency is considered, and the method is suitable for industrial short-process production of high-performance magnesium alloy materials, so that industrial requirements can be better met. 本发明提供一种制备高性能镁合金的