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Weld pool dynamics and the formation of ripples in 3D gas metal arc welding

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dc.contributor.author Hu, Junling en_US
dc.contributor.author Guo, H. en_US
dc.contributor.author Tsai, Hai-Lung en_US
dc.date.accessioned 2014-07-16T16:31:02Z
dc.date.available 2014-07-16T16:31:02Z
dc.date.issued 2007 en_US
dc.identifier http://dx.doi.org/10.1016/j.ijheatmasstransfer.2007.07.042 en_US
dc.identifier.citation J. HU, H. Gou, H. Tsai, "Weld pool dynamics and the formation of ripples in 3D gas metal arc welding," International Journal of Heat and Mass Transfer, vol. 51, no. 9-10, 2007.
dc.identifier.issn 0017-9310 en_US
dc.identifier.uri https://scholarworks.bridgeport.edu/xmlui/handle/123456789/437
dc.description © 2008, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International en_US
dc.description.abstract This article studies the transient weld pool dynamics under the periodical impingement of filler droplets that carry mass, momentum, thermal energy, and species in a moving 3D gas metal arc welding. The complicated transport phenomena in the weld pool are caused by the combined effect of droplet impingement, gravity, electromagnetic force, plasma arc force, and surface tension force (Marangoni effect). The weld pool shape and the distributions of temperature, velocity, and species in the weld pool are calculated as a function of time. The phenomena of ‘‘open and close-up” for a crater in the weld pool and the corresponding weld pool dynamics are analyzed. The commonly observed ripples at the surface of a solidified weld bead are, for the first time, predicted by the present model. Detailed mechanisms leading to the formation of ripples are discussed. en_US
dc.description.uri http://dx.doi.org/10.1016/j.ijheatmasstransfer.2007.07.042 en_US
dc.language.iso en_US en_US
dc.publisher Elsevier en_US
dc.subject Engineering en_US
dc.subject Gas metal arc welding (GMAW) en_US
dc.subject Ripples en_US
dc.subject Weld pool dynamics en_US
dc.title Weld pool dynamics and the formation of ripples in 3D gas metal arc welding en_US
dc.type Article en_US
dc.publication.issue 9-10 en_US
dc.publication.name International Journal of Heat and Mass Transfer en_US
dc.publication.volume 51 en_US

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