Results 21 to 30 of about 831,737 (308)

Physicomathematical modeling of the formation features of fillet welds of bridge metal structures under submerged-arc welding

Advanced Engineering Research, 2020
Introduction. The weld formation under the submerged-arc welding of bridge metal structures is investigated. The work objective is to study possibilities to increase the welding performance during the arc welding of fillet seams.
A. A. Mosin, V. A. Erofeev, M. A. Sholokhov   +2 more
doaj   +1 more source

Effect of Laser-arc Hybrid Welding Energy Parameters on Welding Stability

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   +1 more source

Sensoring Fusion Data from the Optic and Acoustic Emissions of Electric Arcs in the GMAW-S Process for Welding Quality Assessment

Sensors, 2012
The present study shows the relationship between welding quality and optical-acoustic emissions from electric arcs, during welding runs, in the GMAW-S process.
Eber Huanca Cayo, Sadek Crisóstomo Absi Alfaro   +1 more
doaj   +1 more source

Effects of Oscillation Width on Arc Characteristics and Droplet Transfer in Vertical Oscillation Arc Narrow-Gap P-GMAW of X80 Steel

Metals, 2023
In fields, such as oil and gas pipelines and nuclear power, narrow-gap welding has often been used for the connection of thick and medium-thick plates.
Hongsheng Liu, Ruilei Xue, Jianping Zhou, Yang Bao, Yan Xu   +4 more
doaj   +1 more source

Linear Mathematical Model for Seam Tracking with an Arc Sensor in P-GMAW Processes

Sensors, 2017
Arc sensors have been used in seam tracking and widely studied since the 80s and commercial arc sensing products for T and V shaped grooves have been developed.
Wenji Liu, Liangyu Li, Ying Hong, Jianfeng Yue   +3 more
doaj   +1 more source

Double-Pulse Triple-Wire MIG Welding of 6082-T6 Aluminum Alloy: Process Characteristics and Joint Performances

Metals, 2021
High-efficiency and high-quality welding has always been the focus of welding research. This article proposes a novel double-pulse, triple-wire MIG welding process for the welding of 6082-T6 aluminum alloy.
Ke Yang, Fei Wang, Hongbing Liu, Peng Wang, Chuanguang Luo, Zhishui Yu, Lijun Yang, Huan Li   +7 more
doaj   +1 more source

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

Burn-through prediction and weld depth estimation by deep learning model monitoring the molten pool in gas metal arc welding with gap fluctuation

, 2020
In a single bevel GMAW (gas metal arc welding) with gap fluctuation, a deep learning model was constructed using the monitoring image during the welding to predict the welding quality.
Kazufumi Nomura, Koki Fukushima, T. Matsumura, S. Asai   +3 more
semanticscholar   +1 more source

The Impact of Teaching Oxy-Fuel Welding on Gas Metal Arc Welding Skills [PDF]

, 2008
Industrial technology programs around the country must be sensitive to the demands of manufacturing and industry as they continue to replace “vocational” curriculum with high-tech alternatives.
Field, Dennis, Freeman, Steven, Freeman, Steven, Sgro, Sergio   +3 more
core   +2 more sources

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

Frontiers 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