Numerical simulation of arc, metal transfer and its impingement on weld pool in variable polarity gas metal arc welding

A Ikram, H Chung - Journal of Manufacturing Processes, 2021 - Elsevier
A unified numerical model of the variable polarity gas metal arc welding process is
developed based on the solution of magnetohydrodynamic equations within the framework …

Robotizing double-electrode GMAW process through learning from human welders

R Yu, Y Cao, J Martin, O Chiang, YM Zhang - Journal of Manufacturing …, 2024 - Elsevier
Gas metal arc welding (GMAW) is the most robotized arc welding process and most widely
used process for wire arc additive manufacturing (WAAM). Double-electrode GMAW (DE …

How to avoid solidification cracking in arc welding of aluminum alloys: a review on weld metal grain refinement approaches

C Yolcu, F Kahraman - Materials Research Express, 2023 - iopscience.iop.org
Joining aluminum alloys with arc welding methods is frequently subject to literature and
industrial applications. Although aluminum alloys have different difficulties in the arc welded …

Effect of pulse frequency on weld appearance of Al alloy in pulse power ultrasonic assisted GMAW

H Zhang, C Chen - Journal of Manufacturing Processes, 2021 - Elsevier
This paper investigated the effect of pulsed power ultrasonic on the appearance,
microstructure and mechanical properties of aluminum alloy using self-developed pulsed …

A new approach for MIG/MAG cladding with Inconel 625

JC Dutra, RHG Silva, C Marques, AB Viviani - Welding in the World, 2016 - Springer
This paper presents the development of a new version of the MIG/MAG process for use in
cladding. The work continues with what in marketing terms is known as “cold processes.” …

Effect of the microstructure of IMCs and zinc accumulation on the mechanical properties of aluminum/galvanized steel joints in the VP-CMT process

P Xu, X Hua, N Chen, G Mou, X Ji, F Li - Journal of Manufacturing …, 2020 - Elsevier
By employment of variable polarity cold metal transfer welding, 1.5 mm 6451 aluminum (Al)
alloy sheets and 0.8 mm DC56 galvanized mild steel sheets were welded with ER1100 filler …

A contribution to the study of negative polarity in GMA welding

P Li, K Hurtig, M Högström, LE Svensson… - The International Journal …, 2018 - Springer
Gas metal arc welding (GMAW) using the electrode with negative polarity (DCEN) has been
frequently suggested as a potential means of increasing production capacity. The objective …

Analysis of spot weld distribution in a weldment—numerical simulation and topology optimization

DM Junqueira, ME Silveira, AC Ancelotti - The International Journal of …, 2018 - Springer
An automobile's structure takes about 3000 to 6000 spot welds, and resistance spot welding
is the most widely used because of its simplicity. Because it is a process that greatly …

Analysis of droplet growth of positive and negative electrode on cold metal transfer welding of aluminum wire

X Lv, Z Wang, H Su, L Xu, H Jing - Journal of Manufacturing Processes, 2022 - Elsevier
A method was proposed to identify the boundary between droplet and welding wire by
processing the image from high-speed photography in the process of Variable Polarity Cold …

Análise dos parâmetros da polaridade negativa na curva de corrente de soldagem MIG/MAG polaridade variável aplicados à soldagem para revestimento

AJ Baumgaertner Filho - 2017 - lume.ufrgs.br
Devido à demanda de aumento de produtividade na indústria, a utilização de materiais
mais leves, busca por processos de reparos com melhor custo, em conjunto com o avanço …