Results 21 to 30 of about 6,580 (217)

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

open access: yesMetals, 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

Numerical research on the influence of welding gap on arc morphology in MAG welding of AH36 steel

open access: yesFrontiers in Materials
A numerical model of the three-dimensional MAG welding arc for a butt joint with AH36 Steel, incorporating both the welding gap and molten pool structures, was developed.
Jie Shen, Dayu Qi, Rong Lai, Shuoyi Du
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

open access: yesJournal 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   +6 more
doaj   +1 more source

Experimental Evaluation of Arc Stud Welding Techniques on Structural and Stainless Steel: Effects on Penetration Depth and Weld Quality

open access: yesApplied Sciences
Arc stud welding differs from conventional arc welding techniques and is widely used for joining structural steel, stainless steel, aluminum, and copper alloys in various configurations.
Tanja Tomić   +3 more
doaj   +1 more source

Assessing MMA Welding Process Stability Using Machine Vision-Based Arc Features Tracking System

open access: yesSensors, 2020
Arc length is a crucial parameter of the manual metal arc (MMA) welding process, as it influences the arc voltage and the resulting welded joint. In the MMA method, the process’ stability is mainly controlled by the skills of a welder. According to that,
Wojciech Jamrozik, Jacek Górka
doaj   +1 more source

Gas Pool Coupled Activating TIG Welding Method with Coupling Arc Electrode

open access: yesChinese Journal of Mechanical Engineering, 2018
Gas pool coupled activating TIG (GPCA-TIG) welding put forward in-house can dramatically enhance weld penetration of TIG welding through introducing active element oxygen to reverse the Marangoni convection flow in the molten pool.
Yong Huang, Rui-Lin Liu, Yan-Zhao Hao
doaj   +1 more source

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

open access: yesMetals
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   +8 more
doaj   +1 more source

Simulation Study of Critical Aspects of MIAB Welding for Analysis of Potential Factors Governing the Performance of Weld Formation

open access: yesAnnals of "Dunarea de Jos" University of Galati, Fascicle XII, Welding Equipment and Technology, 2023
Magnetically Impelled Arc Butt (MIAB) welding, is a solid-state welding technique. The magnetic system of this technique is pivotal for the generation of the Lorentz force, which impels an arc to rotate along the periphery of the weld tubes and thus ...
C. Mukti, S. Arungalai Vendan
doaj   +1 more source

Experimental research on factors influencing the current commutation process of variable-polarity arc welding

open access: yes工程科学学报, 2019
In the current inversion process of variable-polarity arc welding of aluminum alloy, drastic changes in electron and ion concentrations in arc space may lead to the failure of current commutation and arc reignition, thus affecting the arc burning ...
ZHU Zhi-ming   +4 more
doaj   +1 more source

Transforming a Computational Model from a Research Tool to a Software Product: A Case Study from Arc Welding Research

open access: yesSoftware, 2023
Arc welding is a thermal plasma process widely used to join metals. An arc welding model that couples fluid dynamic and electromagnetic equations was initially developed as a research tool.
Anthony B. Murphy   +4 more
doaj   +1 more source

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