超轻镁锂合金的研究现状与发展趋势

The research status and trend of ultra-light Mg-Li alloy

镁锂合金具有无可比拟的低密度、高比强度、高比刚度、易切削加工、塑性好、低温韧性好、良好的磁屏蔽、防震性能和可回收性等优点,能满足航空、航天、军事工业对轻质材料的迫切需求,受到各国的广泛关注和高度重视。本文作者首先针对镁锂合金的国外研究现状进行了分析,同时介绍了国内在镁锂合金技术研发领域的最新进展,分析了镁锂合金目前发展面临的技术问题,梳理出镁锂合金未来的发展趋势。

Mg-Li alloy has unparalleled advantages such as low density,high specific strength,high specific stiffness,easy cutting processing,good plasticity,good low-temperature toughness,good magnetic shielding,shockproof performance and recyclability,etc.,which can meet the urgent need for lightweight materials by aviation,aerospace and the military industry.It has attracted great attention from various countries.The article states the foreign status,the latest domestic progress,the current technical problems,and the development trend in the research of magnesium-lithium alloys.