Research Status of Stability in Dynamic Process of Laser-Arc Hybrid Welding Based on Droplet Transfer Behavior: A Review

被引:18
作者
Liu, Qingyong [1 ]
Wu, Di [1 ]
Wang, Qingzhao [2 ]
Zhang, Peilei [1 ,3 ]
Yan, Hua [1 ]
Sun, Tianzhu [4 ]
Zeng, Jie [1 ]
Yan, Mingliang [1 ]
Liu, Zhenyu [1 ]
Li, Ruifeng [5 ]
机构
[1] Shanghai Univ Engn Sci, Sch Mat Sci & Engn, Shanghai 201620, Peoples R China
[2] SANY Heavy Ind Co Ltd, Shanghai 201306, Peoples R China
[3] Jiangsu New Yangzi Shipbldg Co Ltd, Jingjiang 214532, Peoples R China
[4] Univ Warwick, Warwick Mfg Grp WMG, Coventry CV4 7AL, England
[5] Jiangsu Univ Sci & Technol, Sch Mat Sci & Engn, Zhenjiang 212003, Peoples R China
关键词
laser-arc hybrid welding; droplet transfer behavior; force analysis; process parameter; HIGH-STRENGTH STEEL; ALUMINUM-GARNET LASER; FIBER LASER; SHIELDING GAS; METAL TRANSFER; PROCESS PARAMETERS; TRANSFER MODE; JOINT; TITANIUM; PLASMA;
D O I
10.3390/coatings13010205
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
With the synergistic effect of laser and arc heat sources, laser-arc hybrid welding (LAHW) technology can improve welding speed and penetration depth, and enhance gap-bridging ability. This review describes the fundamental concepts and characteristics of droplet transfer behavior in LAHW. Emphasis was placed on the physical interaction between the laser and arc and the effect of the combined laser/arc heat sources on the welding process. However, the physical understanding of these multivariable and complex interactions is still evolving. Through numerous research findings and summary, it is found that there are several critical factors, including the laser-to-arc distance, heat source leading mode, shielding gas composition, and laser power, affecting the droplet transfer characteristics. This review critically interprets the latest development in the basic understanding of LAHW. It lays great stress on the coupling effect of laser and arc in droplet transfer dynamic process of LAHW, and offers a direction for the future study and progress of LAHW. Significant fields for future research are also confirmed.
引用
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页数:31
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