Arc plasma, droplet, and forming behaviors in bypass wire arc-directed energy deposition

J Xiong, C Wen - Additive Manufacturing, 2023 - Elsevier
This study presents a new variant of arc-directed energy deposition (Arc-DED) called bypass
wire Arc-DED, in which a bypass wire is fed into the arc and separates part of currents from …

WAAM process for metal block structure parts based on mixed heat input

J Cui, L Yuan, P Commins, F He, J Wang… - The International Journal …, 2021 - Springer
Additive manufacturing based on robotic welding is used for the manufacture of metal parts
by applying an arc as a heat source and wire as feedstock. The process is known as wire arc …

Arc and molten pool behavior on quality of hybrid cold metal transfer and tandem pulsed narrow gap gas metal arc welds: a study

PS Kumar, N Venkaiah, B Basu… - Materials and …, 2024 - Taylor & Francis
This research proposes a novel hybrid cold metal transfer (CMT) and tandem Pulsed gas
metal arc welding (P-GMAW) process for narrow gap welding (NGW) of high strength low …

[HTML][HTML] Improvements of hybrid laser arc welding for shipbuilding T-joints with 2F position of 8 mm thick steel

C Churiaque, JM Sánchez-Amaya, Ö Üstündağ… - Optics & Laser …, 2021 - Elsevier
One of the main concerns in the early stages of manufacturing flat units of shipbuilding is to
ensure the quality of the joints throughout the structure. The flat units are constituted by butt …

Dynamic analysis of the ultrasonic-frequency pulsed GMAW metal transfer process

H Zheng, B Qi, M Yang - Journal of Manufacturing Processes, 2021 - Elsevier
Current waveform control method was of great significance to welding quality of GMAW
process. In order to study the influence of a novel control method of ultrasonic-frequency …

Effects of arc interaction on lack-of-fusion and porosity in tandem NG-GMAW of 5083 Al-Mg alloy

S Han, X Tang, G Liu, L Xu, H Cui, C Shao - Journal of Manufacturing …, 2022 - Elsevier
The tandem narrow-gap gas metal arc welding (NG-GMAW) is an advanced high efficient
technology for joining thick section metals. However, the common defects such as lack-of …

[HTML][HTML] Influence of interwire angle on undercutting formation and arc behavior in pulsed tandem narrow-gap GMAW

G Liu, X Tang, S Han, F Lu, H Cui - Materials & Design, 2020 - Elsevier
The tandem narrow-gap gas metal arc welding was adopted in this study. The effects of
interwire angle on the welding process stability and arc behavior were investigated. With the …

[HTML][HTML] Influence of Interpass Temperature on the Simulated Coarse-Grained Heat-Affected Zone of a Circumferentially Welded 2.25 Cr-1Mo Steel Pipe Joint

PHG Dornelas, JC Payão Filho… - … of Manufacturing and …, 2024 - mdpi.com
To reduce manufacturing costs, energy companies aim to maximize the deposition rate
during welding operations by increasing the interpass temperature (IT), thereby minimizing …

Influence of the interpass temperature on the microstructure and mechanical properties of the weld metal (AWS A5. 18 ER70S-6) of a narrow gap welded API 5L X70 …

PHG Dornelas, J da Cruz Payão Filho… - International Journal of …, 2022 - Elsevier
To reduce manufacturing costs, manufacturers may perform welding with a high interpass
temperature (IT), which can reduce the welding idle time and increase the productivity of …

Experimental measurement of fluid flow in high-speed GMAW assisted by transverse magnetic field

L Wang, C Wu, J Chen, J Gao - Journal of Manufacturing Processes, 2020 - Elsevier
The visual measurement system was established to investigate the fluid flow during high-
speed gas metal arc welding. The two-dimensional fluid flow velocity on weld pool surface …