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Berthier, A., Paillard, P., Carin, M., Valensi, F. & Pellerin, S. (2012) TIG and A-TIG welding experimental investigations and comparison to simulation Part 1: Identification of Marangoni effect. Sci. Technol. Weld. Join. 17 609–615. 
Added by: Laurent Cournède (2016-03-10 21:28:38)
Type de référence: Article
DOI: 10.1179/1362171812Y.0000000024
Numéro d'identification (ISBN etc.): 1362-1718
Clé BibTeX: Berthier2012
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Catégories: ID2M
Mots-clés: Activating flux, arc, fluid-flow, free-surface, heat-transfer, Lorentz forces, Marangoni convection, model, pools, simulation, TIG welding
Créateurs: Berthier, Carin, Paillard, Pellerin, Valensi
Collection: Sci. Technol. Weld. Join.
Consultations : 13/541
Indice de consultation : 3%
Indice de popularité : 0.75%
Résumé     
In the present work, the chemical mechanism was shown for tungsten inert gas (TIG) and active TIG (A-TIG) welding. The results obtained with a two-dimensional axial symmetric model developed to simulate the flow behaviour in the meting pool on a stainless steel disc (304L) melted by a stationary heat source were presented to show the influence of Marangoni convection combined with Lorentz forces. This study shows the influence of the addition of an activating flux on the geometric characteristics of the weld beads in A-TIG welding.
Added by: Laurent Cournède  
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