Al-Li合金研究进展  

Research Progress in Al-Li Alloy

作　　者：李莎 边丽萍[1,2,3] 平宏伟 李腾 魏军祥 李佳琪 LI Sha;BIAN Liping;PING Hongwei;LI Teng;WEI Junxiang;LI Jiaqi(School of Materials Science and Engineering,Taiyuan University of Technology,Taiyuan 030024;Shanxi Key Laboratory of Advanced Magnesium-based Materials,Taiyuan 030024;National Key Laboratory of Metal Forming Technology and Heavy Equipment,Taiyuan 030024)

机构地区：[1]太原理工大学材料科学与工程学院,太原030024 [2]先进镁基材料山西省重点实验室,太原030024 [3]金属成形技术与重型装备全国重点实验室,太原030024

出　　处：《特种铸造及有色合金》2025年第3期342-350,共9页Special Casting & Nonferrous Alloys

基　　金：国家自然科学基金资助项目(52175355)。

摘　　要：时效强化Al-Li合金具有低密度、高比强度、高弹性模量和较好的低温性能等特点,广泛应用于航空航天、军事工业等领域。概述了Al-Li合金的发展历程及存在问题,简述了主要组织因素及相应解决办法,详细阐述了合金化、热变形及热处理工艺对新型Al-Li合金组织性能的影响,并对Al-Li合金的发展提出展望。Aging hardened Al-Li alloys have advantages of low density,high specific strength,high elastic modulus and desirable low temperature property,whcih are widely used in aerospace,military industry and other fields.The development history and existing problems in Al-Li alloy were reviewed,and the main microstructure factors as well as corresponding solutions were briefly described.Effects of alloying,thermal deformation and heat treatment processes on microstructure and properties of novel Al-Li alloys were explicated in detail,and the future development of Al-Li alloy was prospected.

关 键 词：AL-LI合金 强塑性 各向异性 热变形 热处理 

分 类 号：TG146.21[一般工业技术—材料科学与工程] G353.11[金属学及工艺—金属材料]