2195铝锂合金焊接技术研究进展  

Research progress of welding technologies for 2195 Al-Li alloy

作　　者：元琳琳 王炜 陈晓宇 Yuan Linlin;Wang Wei;Chen Xiaoyu(Beijing Non-ferrous Metals and Rare Earth Research Institute,Beijing 100012,China;Beijing Engineering Research Center of New Brazing Materials for Electronic Information,Beijing 100012,China)

机构地区：[1]北京有色金属与稀土应用研究所,北京100012 [2]北京市电子信息用新型钎焊材料工程技术研究中心,北京100012

出　　处：《焊接》2020年第9期38-42,46,63,共7页Welding & Joining

摘　　要：文中阐述了2195铝锂合金在焊接过程中存在的接头软化、易产生气孔和裂纹三类问题,综述了2195铝锂合金在TIG焊、MIG焊、搅拌摩擦焊、激光焊及电子束焊中的研究现状,尤其是介绍了焊接工艺对焊接接头微观组织与力学性能的影响,并对2195铝锂合金焊接技术研究未来的发展趋势进行了展望。In this paper,three problems of joint softening,porosity and crack in 2195 Al-Li alloy during welding were discussed.The research status of 2195 Al-Li alloys in TIG welding,MIG welding,friction stir welding,laser welding and electron beam welding were reviewed.In particular,the influence of welding technology on microstructure and mechanical properties of welded joints was introduced.Furthermore,the development trend of 2195 Al-Li alloy welding technology was prospected.

关 键 词：铝锂合金 焊接技术 研究进展 

分 类 号：TG441.2[金属学及工艺—焊接]