低合金化高性能变形镁合金研究现状及展望

Current Research and Future Prospect on Low-Alloyed High-Performance Wrought Magnesium Alloys

变形镁合金通过调控微观组织、优化变形工艺,提高材料的力学性能,从而具有广泛的应用前景。低合金化镁合金在成形性、耐腐蚀性及轻量化等方面具有较大优势。低合金、高性能成为变形镁合金发展的重要趋势之一。本文重点概述了低合金化高强、高塑、超塑性变形镁合金在合金成分设计、强韧化机制及加工技术等方面的研究进展,并从提高生产效率、扩大应用范围的角度,展望了低合金化变形镁合金的发展趋势。

Wrought magnesium alloys have a wide range of applications by controlling the microstructure and optimizing the deformation process to improve the mechanical properties.Low-alloyed magnesium alloys have great advantages in formability,corrosion resistance,and light weight.Moreover,low alloying and high performance have become important trends in the development of wrought magnesium alloys.This study reviews the research progress of low-alloyed,high-strength,high-plasticity,and superplastic wrought magnesium alloys regarding alloy composition design,strengthening and toughening mechanisms,and processing technology.From the perspective of improving production efficiency and expanding application scope,the development trend of low-alloyed wrought magnesium alloys is proposed.