船用钛合金搅拌摩擦焊接技术研究现状  

Research Progress of Friction Stir Welding Technology in Marine Titanium Alloy

作　　者：孙广达 李宇轩 张天昊 周利[1,2] 杨胜利 高福洋 吕逸帆 乔胜 朱铁成 SUN Guangda;LI Yuxuan;ZHANG Tianhao;ZHOU Li;YANG Shengli;GAO Fuyang;LÜYifan;QIAO Sheng;ZHU Tiecheng(State Key Laboratory of Advanced Welding and Joining,Harbin Institute of Technology,Harbin 150001,China;Shandong Provincial Key Laboratory of Special Welding Technology,Harbin Institute of Technology at Weihai,Weihai 264209,China;Luoyang Ship Material Research Institute,Luoyang 471023,China;Beijing Zintec Technology Co.,Ltd.,Beijing 100000,China)

机构地区：[1]哈尔滨工业大学先进焊接与连接国家重点实验室,黑龙江哈尔滨150001 [2]哈尔滨工业大学(威海)山东省特种焊接技术重点实验室,山东威海264209 [3]中国船舶集团有限公司第七二五研究所,河南洛阳471023 [4]北京知信浩宇科技有限公司,北京100000

出　　处：《材料开发与应用》2024年第5期17-30,共14页Development and Application of Materials

基　　金：“十四五”装备预研共用技术(50923050105)。

摘　　要：钛合金具有高强度以及优异的耐蚀性,可以显著提升船体结构与装备的服役寿命,在船舶工程领域得到广泛应用。传统熔焊技术在钛合金连接过程中易产生气孔、夹杂等缺陷,使得焊接接头的力学性能较低。搅拌摩擦焊接作为一种固相连接技术,其焊接接头在避免熔焊缺陷的同时又兼具了低残余应力、低变形与高强度的优点,因此在船用钛合金连接领域具有巨大的应用潜力。本研究综述了船用钛合金搅拌摩擦焊的焊具设计、工艺控制、接头微观组织演变规律与力学性能响应,针对船用钛合金搅拌摩擦焊亟待解决的技术问题提出了控制与改进策略,并展望了船用钛合金搅拌摩擦焊接技术未来的发展方向。Titanium alloys can prolong the service life of ship structures and equipment due to the high strength and excellent corrosion resistance,and are widely used in the field of shipbuilding engineering.The traditional fusion welding process can result in defects such as porosity and inclusions during the welding process of titanium alloys,which will reduce the mechanical property of the joint.As a solid phase joining technology,friction stir welding(FSW)not only avoids fusion welding defects but also offers advantages such as low residual stress,low deformation,and high strength.Therefore,it has great potential for application in marine titanium alloy connection.In this paper,the design of welding tool and welding process control of the FSW are reviewed,and the microstructure evolution and mechanical property of the FSW joints of the marine titanium alloy are reviewed.Strategies for controlling and improving the technical issues in friction stir welding for marine titanium alloy are proposed,so are the development directions of friction stir welding for marine titanium alloy.

关 键 词：船用钛合金 搅拌摩擦焊 焊具设计 组织演变 接头性能 

分 类 号：TG453.9[金属学及工艺—焊接]