稀(碱)土在镁合金中的作用及应用现状

Effects of Rare Earth and Alkaline Earth on Magnesium Alloys and their Applications Status

结合我国富有资源稀土和碱土,介绍了稀土和碱土在镁合金中的作用和影响,概括了它们在Mg-Al系耐热镁合金中的应用现状,以及在研制汽车用耐热镁合金中所发挥的重要作用。指出研究开发稀(碱)土耐热镁合金将是汽车用高性能镁合金材料的重要研究方向。

China is rich in rare earth and alkaline earth elements. This paper introduced the applications of rare earth and alkaline earth elements to the heat resistant magnesium alloys, such as Mg-Al based alloys for automotive power-train system, especially summarized the effects of rare earth and alkaline earth elements on the heat resistance of Mg-Al based alloys. It is concluded that to development the rare earth and alkaline earth magnesium alloys with high performances is one of the important orientations for the future automotive industry.