7xxx系铝合金焊接技术研究进展  

Research Progress on Welding Technology of 7xxx Series Aluminum Alloy

作　　者：刘洪旭 刘峰[1] 赵琳[2] 田志凌[2] LIU Hongxu;LIU Feng;ZHAO Lin;TIAN Zhiling(School of Machinery,Liaoning University of Petrochemical Technology,Fushun 113001,China;Welding Institute of General Iron and Steel Research Institute,Beijing 100081,China)

机构地区：[1]辽宁石油化工大学机械学院,辽宁抚顺113001 [2]钢铁研究总院焊接所,北京100081

出　　处：《热加工工艺》2024年第7期1-6,共6页Hot Working Technology

基　　金：国防基础科研项目(JCKY2018512B001)。

摘　　要：7xxx系铝合金作为所有系列铝合金强度最高的金属材料,具有优良的综合性能,被广泛应用于各领域中。本文从7xxx系铝合金焊接质量和焊接效率出发,综述了几种常见的7xxx系铝合金焊接技术的发展现状,重点介绍了熔化极惰性气体保护焊(MIG焊)、冷金属过渡焊(CMT)、钨极惰性气体保护焊(TIG焊)等传统电弧焊以及激光焊、电子束焊、搅拌摩擦焊等新型焊接技术的技术特点与应用前景,总结了不同焊接技术相应的优势与不足以及目前各焊接技术急待解决的问题,最后对7xxx系铝合金焊接技术发展前景进行了总结。7xxx series aluminum alloy,as the metal material with the highest strength in all series of Al alloy,has excellent comprehensive properties.And it is widely used in various fields.From the actual welding quality and welding efficiency of 7xxx series aluminum alloy,the development status of several common welding technologies of 7xxx aluminum alloy was summarized,focusing on the technical characteristics and application prospects of traditional arc welding such as MIG welding,cold metal transition welding and tungsten inert gas welding,and new welding technologies such as laser welding,electron beam welding and friction stir welding.The corresponding advantages and disadvantages of different welding technologies and the urgent problems to be solved were summarized.Finally,the development prospect of 7xxx series aluminumalloy welding technology was summarized.

关 键 词：7XXX系铝合金 MIG焊 TIG焊 CMT焊 激光焊 电子束焊 搅拌摩擦焊 

分 类 号：TG457.14[金属学及工艺—焊接] TG456