Results 1 to 10 of about 18,438 (273)

Corrosion Behavior of High-Nitrogen Steel Hybrid Welded Joints Fabricated by Hybrid Laser-Arc Welding. [PDF]

Materials (Basel), 2023
To study the corrosion mechanism of high-nitrogen steel welds, this study investigated the effects of laser outputs on the corrosion behavior of high-nitrogen steel hybrid welded joints in hybrid laser–arc welding.
You X, Ning K, Bai D, Liu Y, Zhang H, Liu F.   +5 more
europepmc   +2 more sources

Research and Development Progress of Laser–Arc Hybrid Welding: A Review

Metals
Laser–arc hybrid welding (LAHW) is an advanced welding technology that integrates both laser and arc heat sources within a single molten pool, achieving synergistic benefits that surpass the sum of their individual contributions. This method enhances the
Yang He, Xinyu Song, Zhidong Yang, Ruihai Duan, Jiangmin Xu, Wenqin Wang, Liangyu Chen, Mingxiao Shi, Shujin Chen   +8 more
doaj   +2 more sources

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   +2 more sources

Effect of Hybrid Laser Arc Welding on the Microstructure and Mechanical and Fracture Properties of 316L Sheet Welded Joints

Metals, 2022
To explore the influence of different welding modes on the properties of 316L thin-plate welded joints, a new type of laser arc compound gun head similar to a coaxial one was used in this experiment.
Linyi Xie, Wenqing Shi, Teng Wu, Meimei Gong, Detao Cai, Shanguo Han, Kuanfang He   +6 more
doaj   +2 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

Joining 30 mm Thick Shipbuilding Steel Plates EH36 Using a Process Combination of Hybrid Laser Arc Welding and Submerged Arc Welding

Journal of Manufacturing and Materials Processing, 2022
This article presents a cost-effective and reliable method for welding 30 mm thick sheets of shipbuilding steel EH36. The method proposes to perform butt welding in a two-run technique using hybrid laser arc welding (HLAW) and submerged arc welding (SAW).
Sergej Gook, Ahmet Midik, Max Biegler, Andrey Gumenyuk, Michael Rethmeier   +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
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

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   +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