Optimization of wire feed for GTAW based additive manufacturing

H Geng, J Li, J Xiong, X Lin, F Zhang - Journal of Materials Processing …, 2017 - Elsevier
The problem of deposition accuracy is encountered during gas tungsten arc welding
(GTAW) based additive manufacturing when wire is fed in side direction. A mathematical …

Measuring the process efficiency of controlled gas metal arc welding processes

N Pépe, S Egerland, PA Colegrove… - … and Technology of …, 2011 - journals.sagepub.com
The thermal or process efficiency in gas metal arc welding (GMAW) is a crucial input to
numerical models of the process and requires the use of an accurate welding calorimeter. In …

[HTML][HTML] Extension of the double-ellipsoidal heat source model to narrow-groove and keyhole weld configurations

TF Flint, JA Francis, MC Smith… - Journal of Materials …, 2017 - Elsevier
The double-ellipsoidal heat power density model proposed by Goldak, has been widely
used as the basis for modelling heat transfer in arc welding operations for more than thirty …

Effect of heat input on microstructure and mechanical properties of automated tungsten inert gas-welded dissimilar AA6061-T6 and AA7075-T6 joints

MSB Reyaz, AN Sinha - Journal of Materials Engineering and …, 2023 - Springer
This study explored the heat input effects on automated TIG welded dissimilar AA6061-T6
and AA7075-T6 joints using filler ER5356. Three heat input welded samples, namely HI1 …

First assessment on the microstructure and mechanical properties of gtaw-gmaw hybrid welding of 6061-t6 AA

T Rodríguez-Hernández, VL Cruz-Hernández… - Journal of Manufacturing …, 2020 - Elsevier
Plates of 6061-T6 aluminum alloy of 6.35 mm thick were welded by using the hybrid gas
tungsten arc-gas metal arc welding process (GTAW-GMAW) and compare with the …

Numerical modeling of heat transfer and fluid flow in hybrid laser–TIG welding of aluminum alloy AA6082

AH Faraji, M Goodarzi, SH Seyedein, G Barbieri… - … International Journal of …, 2015 - Springer
This paper describes a three-dimensional numerical model based on finite volume method
to simulate heat transfer and fluid flow in laser–tungsten inert gas (TIG) hybrid welding …

Numerical study of heat transfer and solute distribution in hybrid laser-MIG welding

X Chen, G Yu, X He, S Li, Z Li - International Journal of Thermal Sciences, 2020 - Elsevier
In the quest for the transport mechanism in the molten pool during hybrid laser-MIG welding
of aluminum alloy, an improved three-dimensional numerical model is developed. A …

Review of arc efficiency values for gas tungsten arc welding

N Stenbacka, I Choquet, K Hurtig - IIW Commission IV-XII-SG212 …, 2012 - diva-portal.org
The aim of this study was to review the literature that specifies arc efficiency values for gas
tungsten arc welding (GTAW) and, if possible, propose a plausible value range. The …

Numerical analysis of arc and molten pool behaviors in high speed tandem TIG welding of titanium tubes

D WU, J HUANG, K Liang, X HUA, W Min, LI Hua… - … of Nonferrous Metals …, 2023 - Elsevier
A high speed tandem TIG welding process was adopted to manufacture titanium welded
tubes. A coupled electrode, arc and weld pool numerical model was also developed to …

On arc efficiency in gas tungsten arc welding

N Stenbacka - Soldagem & Inspeção, 2013 - SciELO Brasil
The aim of this study was to review the literature on published arc efficiency values for
GTAW and, if possible, propose a narrower band. Articles between the years 1955-2011 …