Results 11 to 20 of about 7,976 (220)

Effect of Laser-arc Hybrid Welding Energy Parameters on Welding Stability [PDF]

MATEC Web of Conferences, 2018
The high-speed camera was used to collect the droplet transfer pattern and arc pattern of the laser-arc hybrid welding process. Using the methods of image processing and mathematical statistics, the effects of different laser and arc power conditions on ...
Fulong ZHANG, Hong ZHANG, Fengde LIU
doaj   +2 more sources

Melt Pool Simulation of Dual Laser Beam-Arc Hybrid Welding of Aluminum Alloy Using Finite Element Method. [PDF]

Materials (Basel)
In this study, the melt pool formation behavior of high-speed laser-arc hybrid welding of aluminum plates was simulated using finite element analysis (FEA).
Jin QY, Jung J, Cheon J, Ji C, Lee W.
europepmc   +2 more sources

Arc behavior and droplet transfer characteristics during oscillating laser-arc hybrid welding of 2024 Al alloy based on Zr-core-Al-shell wire

Journal of Materials Research and Technology
A novel zirconium (Zr)-core-aluminum (Al)-shell wire (ZCASW) combined with oscillating laser-arc hybrid welding (O-LAHW) process was employed for the welding of aluminum alloy 2024 (AA2024).
Jun Jin, Shaoning Geng, Ping Jiang, Liangyuan Ren, Chu Han, Lu Yang, Kaiqin Xu   +6 more
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Dissimilar unbeveled aluminum to steel butt joint achieved by laser-arc hybrid welding-brazing

Journal of Materials Research and Technology
In this study, unbeveled butt joints of 2 mm thick steel and aluminum plates were welded using a laser-arc hybrid process. The influence of welding speed and wire feed speed on joint weld formation, microstructures, and mechanical properties were ...
Gaoyang Yu, Xiaoming Nie, Lize Li, Shuhai Chen, Yonglei Wang   +4 more
doaj   +2 more sources

Investigating the Influence Mechanism of Different Shielding Gas Types on Arc Characteristics and Weld Quality in TA2 Laser–Arc Hybrid Welding

Metals
The effective welding of a 6 mm thick TA2 pure titanium medium-thickness plate was achieved by laser–arc hybrid welding (LAHW) with helium–argon mixed shielding gas.
Haojie Zhang, Mingyao Shen, Xueqin Tian, Qunli Zhang, Zhijun Chen, Jianhua Yao   +5 more
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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
doaj   +1 more source