总结了 3 0余年来半固态合金流变铸造的研究和应用现状。介绍了传统机械搅拌式流变铸造工艺 ,由于其所制备的半固态合金浆料保存、输送麻烦 ,至今没有进入实际应用 ;评述了射室制备浆料式流变铸造工艺技术 ,其生产的压铸件经T6处理 ,力学性能与挤压铸件相当 ,但伸长率提高很多 ;介绍单、双螺旋流变射铸工艺 ,其特点是利用液态合金原料生产成本低 ,铸件气孔率低 ,但其所需设备和生产工艺还处在优化阶段 ;重点介绍了低过热度倾斜板浇注式流变铸造、低过热度浇注和弱机械搅拌式流变铸造的工艺特点和核心思想 ;分析了半固态合金流变铸造的发展前景 The research and application status of semi-solid alloy rheo-casting in more than 30 years are summarized. The traditional mechanical stirring rheological casting process is introduced. Due to the difficulty of storage and transportation of the prepared semi-solid alloy slurry, it has not been put into practical application until now. The preparation technology of slurry-type rheological casting in the injection chamber is reviewed. The die casting After T6 treatment, the mechanical properties are comparable to those of extruded castings, but the elongation is much improved. Single and double helix flow casting processes are introduced, which are characterized by low production cost of liquid alloy raw materials and low porosity of castings, The equipment and production process are still in the optimization stage. The technological characteristics and core ideas of pouring rheological casting, low superheat pouring and weak mechanical mixing rheological casting with low superheat are mainly introduced. The effects of semi-solid alloy flow Variable casting of the development prospects