Interaction mechanism of arc, keyhole, and weld pool in keyhole plasma arc welding: a review

S Tashiro - Materials, 2024 - mdpi.com
The Keyhole Plasma Arc Welding (KPAW) process utilizes arc plasma highly constricted by
a water-cooled cupper nozzle to produce great arc pressure for opening a keyhole in the …

[PDF][PDF] Progress in numerical simulation of thermal processes and weld pool behaviors in fusion welding

武传松, 孟祥萌, 陈姬, 秦国梁 - Journal of Mechanical Engineering, 2018 - qikan.cmes.org
The fusion welding processes are extensively used material joining processes in
manufacturing industry. The thermal physics and weld pool behaviors in fusion welding …

Numerical investigation of transport phenomena of arc plasma in argon-oxygen gas mixture

X Wang, Y Luo, L Chi, D Fan - International Journal of Heat and Mass …, 2020 - Elsevier
Mixtures of gases are utilized widely in a variety of arc welding processes to improve the arc
property and thus the welding quality. This research focuses on the properties of the arc …

[HTML][HTML] Optimization of metal transfer in rutile flux-cored arc welding through controlled CO2 concentration in argon–CO2 shielding gas

NQ Trinh, KD Le, S Tashiro, T Suga, S Sasakura… - Journal of Manufacturing …, 2024 - Elsevier
In this study, we analyzed the impact of carbon dioxide concentration in argon–carbon
dioxide shielding gas on droplet transfer characteristics in rutile flux-cored arc welding …

[PDF][PDF] 熔焊热过程与熔池行为数值模拟的研究进展

武传松, 孟祥萌, 陈姬, 秦国梁 - 机械工程学报, 2018 - qikan.cmes.org
熔焊是目前机械制造业中应用最为广泛的材料连接技术. 熔焊过程中的传热与熔池流动行为对于
焊缝成形, 接头微观组织与服役性能等起着决定性作用. 准确地分析和计算熔焊热过程与熔池 …

Metallurgical and mechanical attributes of gas metal arc welded high-strength low-alloy steel

D Zhao, Y Bezgans, N Vdonin, L Radionova… - … International Journal of …, 2023 - Springer
The intention of this study is to explore the influences of welding settings upon the geometry,
microstructure transformation, and tensile properties of the gas metal arc welded joints of …

Effects of shielding gases on process stability of 10CrNi3MoV steel in hybrid laser-arc welding

S Zhang, J Sun, M Zhu, L Zhang, P Nie, Z Li - Journal of Materials …, 2019 - Elsevier
Hybrid laser-arc welding (HLAW) of 10CrNi3MoV steel was carried out with different
shielding gas mixtures including 100% Ar, 5% CO 2+ Ar, 10% CO 2+ Ar, 15% CO 2+ Ar …

Effects of shielding gas composition on arc properties and wire melting characteristics in narrow gap MAG welding

X Cai, C Fan, S Lin, X Ji, C Yang, W Guo - Journal of Materials Processing …, 2017 - Elsevier
At constant current, the arc voltage increases with increasing helium or CO 2 content. At
constant wire feed speed and constant voltage, as the helium or CO 2 content increases, the …

Multi-variable statistical models for predicting bead geometry in gas metal arc welding

RR Chandrasekaran, MJ Benoit, JM Barrett… - … International Journal of …, 2019 - Springer
Statistical models were developed to study the effect of gas metal arc welding process
parameters (ie, wire feed speed, voltage, travel speed, and shielding gas chemistry) on the …

An experimental investigation of the effectiveness of Ar-CO2 shielding gas mixture for the wire arc additive process

B Silwal, A Nycz, CJ Masuo, MW Noakes… - … International Journal of …, 2020 - Springer
Wire arc additive manufacturing (AM) is the process by which a large, metallic structure is
built layer-by-layer using a welding arc to melt a wire feedstock. A novel opportunity exists to …