Heat and mass transfer in gas metal arc welding. Part I: The arc

Heat and mass transfer in gas metal arc welding. Part I: The arc

A unified comprehensive model was developed to simulate the transport phenomena occurring during the gas metal arc welding process. An interactive coupling between arc plasma; melting of the electrode; droplet formation, detachment, transfer, and impingement onto the workpiece; and weld pool dynamic...

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Veröffentlicht in:International journal of heat and mass transfer 2007-03, Vol.50 (5), p.833-846
Hauptverfasser: Hu, J., Tsai, H.L.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Arc plasma
Exact sciences and technology
Fluid flow
GMAW
Heat transfer
Joining, thermal cutting: metallurgical aspects
Metals. Metallurgy
Welding
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container_title International journal of heat and mass transfer
container_volume 50
creator Hu, J.
Tsai, H.L.
description A unified comprehensive model was developed to simulate the transport phenomena occurring during the gas metal arc welding process. An interactive coupling between arc plasma; melting of the electrode; droplet formation, detachment, transfer, and impingement onto the workpiece; and weld pool dynamics all were considered. Based on the unified model, a thorough investigation of the plasma arc characteristics during the gas metal arc welding process was conducted. It was found that the droplet transfer and the deformed weld pool surface have significant effects on the transient distributions of current density, arc temperature and arc pressure, which were normally assumed to be constant Gaussian profiles.
doi_str_mv 10.1016/j.ijheatmasstransfer.2006.08.025
format Article
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source Elsevier ScienceDirect Journals Complete
subjects Applied sciences
Arc plasma
Exact sciences and technology
Fluid flow
GMAW
Heat transfer
Joining, thermal cutting: metallurgical aspects
Metals. Metallurgy
Welding
title Heat and mass transfer in gas metal arc welding. Part I: The arc
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