This paper presents a comprehensive three-dimensional, time-dependent model for simulating the adsorption kinetics and the redistribution of surfactants at the surface and in the bulk of a weld pool. A physicochemical approach that was included in this paper allows the surfactant concentration at the surface and in the bulk to depart from its thermodynamical equilibrium. The Langmuir equilibrium adsorption ratio was based on the coefficient of Sahoo et al. (1988, “Surface-Tension of Binary Metal—Surface-Active Solute Systems Under Conditions Relevant to Welding Metallurgy,” Metall. Trans. B, 19B, pp. 483–491) and was finally used for calculating fluid flow and heat transfer in gas tungsten arc welding of a super duplex stainless steel, SAF 2507. In this study, the authors applied the multicomponent surfactant mass transfer model to investigate the effect of the influence of sulfur and oxygen redistribution in welding of a super duplex stainless steel.
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e-mail: minh@mech.kth.se
e-mail: gustava@mech.kth.se
e-mail: claes-ove.pettersson@sandvik.com
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September 2008
This article was originally published in
Journal of Heat Transfer
Research Papers
Modeling of the Adsorption Kinetics and the Convection of Surfactants in a Weld Pool
Minh Do-Quang,
Minh Do-Quang
Linné Flow Centre, Department of Mechanics,
e-mail: minh@mech.kth.se
Royal Institute of Technology
, SE-811 81 Sandviken, Sweden
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Gustav Amberg,
Gustav Amberg
Linné Flow Centre, Department of Mechanics,
e-mail: gustava@mech.kth.se
Royal Institute of Technology
, SE-811 81 Sandviken, Sweden
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Claes-Ove Pettersson
Claes-Ove Pettersson
Research and Development Department,
e-mail: claes-ove.pettersson@sandvik.com
Sandvik Materials Technology
, Sweden
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Minh Do-Quang
Linné Flow Centre, Department of Mechanics,
Royal Institute of Technology
, SE-811 81 Sandviken, Swedene-mail: minh@mech.kth.se
Gustav Amberg
Linné Flow Centre, Department of Mechanics,
Royal Institute of Technology
, SE-811 81 Sandviken, Swedene-mail: gustava@mech.kth.se
Claes-Ove Pettersson
Research and Development Department,
Sandvik Materials Technology
, Swedene-mail: claes-ove.pettersson@sandvik.com
J. Heat Transfer. Sep 2008, 130(9): 092102 (11 pages)
Published Online: July 9, 2008
Article history
Received:
April 16, 2007
Revised:
March 3, 2008
Published:
July 9, 2008
Citation
Do-Quang, M., Amberg, G., and Pettersson, C. (July 9, 2008). "Modeling of the Adsorption Kinetics and the Convection of Surfactants in a Weld Pool." ASME. J. Heat Transfer. September 2008; 130(9): 092102. https://doi.org/10.1115/1.2946476
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