首页|铝/钢异种金属搅拌摩擦焊性能改善方法及其研究现状

铝/钢异种金属搅拌摩擦焊性能改善方法及其研究现状

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铝合金与钢的复合结构具有质量轻、强度高、成本低等特点,广泛应用于航空航天、船舶重工、汽车制造等领域.搅拌摩擦焊(Friction stir welding,FSW)作为一种新型固相连接技术,具有高效、节能、环保等优势,但利用传统搅拌摩擦焊获得的铝/钢异种接头仍然存在诸多缺陷.基于铝/钢异种金属搅拌摩擦焊的优化,本文对目前已经在铝/钢搅拌摩擦焊方面取得成果的辅助方式进行总结归纳,将其划分为机械结构式辅助FSW、中间过渡层辅助FSW、温度控制型外源辅助FSW和超声振动辅助FSW,并在此基础上进一步展望了铝/钢异种金属搅拌摩擦焊优化方法的发展方向.
Improvement Methods and Research Status of Friction Stir Welding Performance for Dissimilar Metals of Aluminum and Steel
The composite structure of aluminum alloy and steel has the characteristics of light weight,high strength and low cost.It plays an important role in aerospace,shipbuilding,automobile manufacturing and other fields,obtaining reliable and stable aluminum/steel composite structure is the requirement of the times.Friction stir welding(FSW),as a new type of solid phase bonding technology,has the advantages of high efficiency,energy saving and environmental protection.In the regular friction stir welding process of aluminum/steel dissimilar metals,it needs enough welding axial force and stirring head torque to generate heat for welding.In this process,it will lead to the wear of the stirring head and seriously limit the welding speed.Based on the optimization of aluminum/steel dissimilar metal friction stir welding,this paper summarizes the external auxiliary methods that have made progress in aluminum/steel friction stir welding at present,and divides them into mechanical structural external auxiliary FSW,intermediate transition layer auxiliary FSW,temperature controll external auxiliary FSW and ultrasonic vibration auxiliary FSW.On this basis,the development direction of external auxiliary aluminum/steel dissimilar metal friction stir welding is further prospected.

Aluminum/steel dissimilar metalsFriction stir welding(FSW)OptimizationMechanical structureTransition layerTemperature controlUltrasonic vibration

高嵩、吴程浩、石磊、刘涛、景元坤、尹启朋、郭宁

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齐鲁工业大学(山东省科学院),济南 250353

山东省机械设计研究院,济南 250031

山东大学材料液固结构演变与加工教育部重点实验室,济南 250061

铝/钢异种金属 搅拌摩擦焊(FSW) 优化 机械结构 过渡层 温度控制 超声振动

国家自然科学基金山东省自然科学基金山东省高等学校青年创新团队项目齐鲁工业大学(山东省科学院)科教产融合项目

52305383ZR2020QE1772022KJ1342022PX071

2024

10.16080/j.issn1671-833x.2024.10.053

航空制造技术
北京航空制造工程研究所

航空制造技术

CSTPCD北大核心
影响因子：0.403
ISSN：1671-833X
年,卷(期)：2024.67(10)
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