在镁合金中复合添加了合金元素V和Sc,并进行了显微组织、物相组成和阻尼性能的测试与分析。结果表明:与未添加合金元素V和Sc的镁合金相比,合金元素V和Sc的添加可提高合金的阻尼性能;在0.6Hz相同频率下,20℃时阻尼性能增加149.52%,在20℃的相同温度下,0.2 Hz时的阻尼性能增加66.27%,1Hz时的阻尼性能增加了673.53%。 Alloying elements V and Sc were added into the magnesium alloy, and the microstructure, phase composition and damping properties were tested and analyzed. The results show that the addition of alloying elements V and Sc can improve the damping properties of the alloy compared with those of the alloy without the alloying elements V and Sc. At the same frequency of 0.6Hz, the damping capacity increases by 149.52% at 20 ℃, At the same temperature, the damping performance increases by 66.27% at 0.2 Hz and the damping performance increases by 673.53% at 1 Hz.