The results show that when the content of Nd in the hot-extruded AZ61 alloy is 0.5%,the grains are the finest and the best tensile properties can be attained.

• 结果表明；当热挤压AZ61+Nd镁合金中的Nd含量为0.；5%25时；其晶粒最细；力学性能最佳;