Results 11 to 20 of about 809 (183)

Effect of energy parameters on droplet transfer behavior and weld formation in laser-arc hybrid welding with cable-type welding wire

Journal of Materials Research and Technology, 2023
This paper describes the droplet transfer behavior and weld formation of laser-arc hybrid welding with cable-type welding wire (CWW). The droplet transfer behavior was photographed in real time by using a high-speed camera.
Yuntao Chen, Zhidong Yang, Kai Xu, Peng He, Mingxiao Shi, Shujin Chen, Chenfu Fang   +6 more
doaj   +3 more sources

Laser arc weak coupling achieves porosity free welding and stable droplet transfer for high nitrogen steel [PDF]

Scientific Reports
To address the challenge of porosity suppression in laser-arc hybrid welding of high-nitrogen steel, a weakly coupled laser-arc welding method suitable for high-nitrogen steel is proposed.
Fengde Liu, Kai Ning, Xiaojun Liu
doaj   +2 more sources

Weld Formation, Microstructure Evolution and Mechanical Property of Laser-Arc Hybrid Welded AZ31B Magnesium Alloy

Metals, 2022
Laser-arc hybrid welding of AZ31B magnesium alloy was carried out in this paper, and the effects of welding parameters (laser power, welding speed, welding current) on weld formation, microstructure evolution and mechanical property were studied.
Sibo Wang, Chunyan Yan, Zhengjia Gu
doaj   +1 more source

Study on the Physical Characteristics of Plasma and Its Relationship with Pore Formation during Laser-Metal Active Gas Arc Hybrid Welding of 42CrMo Steel

Photonics, 2023
The automobile industry puts forward higher requirements for the design and manufacture of steel pistons. However, the welding of 42CrMo steel pistons still has unsolved technical problems, especially welding defects that cannot be directly detected ...
Yan Zhang, Hao Li, Xin Mi, Hongzhi Zhou, Mingjun Zhang, Zhongmin Wan, Liyuan Tang   +6 more
doaj   +1 more source

Dynamic formation characteristics and mechanism of hybrid laser arc welding surface layer by Ni-based filler metal based on rotating laser induction

Journal of Materials Research and Technology, 2022
This study used a nickel-based filler metal to fabricate a surfacing layer on a low-carbon steel substrate by a hybrid welding process with a rotating laser and arc.
Xiyang Liu, Yanbing Guo, Wang Zhang, Dongsheng Wu, Ruisheng Huang, Miaosen Yang, Binfeng Lu   +6 more
doaj   +1 more source

Arc Characteristics and Welding Process of Laser K-TIG Hybrid Welding

Metals, 2022
The Q235 steel plate butt joint was successfully welded by the laser K-TIG hybrid welding method. The effects of hybrid welding process parameters such as welding current, the distance between heat sources, laser power, laser defocusing amount, and ...
Hongchang Zhang, Jiang Yu, Zixiao Zhang, Jianguo Gao, Zhaofang Su, Zhaorong Sun, Yinan Li   +6 more
doaj   +1 more source

Droplet Transfer Induced Keyhole Fluctuation and Its Influence Regulation on Porosity Rate during Hybrid Laser Arc Welding of Aluminum Alloys

Metals, 2021
Hybrid laser arc welding (HLAW) features advantages such as higher welding speed and gap tolerance as well as smaller welding deformation and heat-affected zone than arc welding.
Leilei Wang, Yanqiu Zhao, Yue Li, Xiaohong Zhan   +3 more
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Effect of pulsed laser and laser-arc hybrid on aluminum/steel riveting-welding hybrid bonding technology

Journal of Materials Research and Technology, 2022
The microstructure and properties of aluminum (Al)-steel dissimilar metal riveting-welding joints obtained by the pulse laser and laser-arc hybrid welding methods were investigated.
Dongshuai Wang, Yuchen Dong, Liming Liu, Meili Zhu, Hongyang Wang, Chunbai Liu   +5 more
doaj   +1 more source

Comparative analysis between the laser beam welding and low current pulsed GMA assisted high-power laser welding by numerical simulation

Journal of Materials Research and Technology, 2023
By introducing the low current pulsed gas metal arc (GMA), the bridging ability of the laser beam welding (LBW) can be effectively improved. However, the impact mechanism of the additive GMA is hard to investigate by experimental methods.
Xiangchen Fan, Guoliang Qin, Zili Jiang, Hao Wang   +3 more
doaj   +1 more source

Microstructure and Mechanical Properties of Arc Zone and Laser Zone of TC4 Titanium Alloy Laser–TIG Hybrid Welded Joint

Metals, 2022
As a high-efficiency and high-quality welding technology, laser-tungsten inert gas (laser–TIG) hybrid welding has been widely used in the aerospace and marine equipment industries. Through laser–TIG hybrid welding of TC4 titanium alloy, the effect of the
Hao Fan, Peng Zhou, Jie Li, Jiankang Huang, Yu Ni, Yuanyuan Hui   +5 more
doaj   +1 more source