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Keywords: laser beam welding
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Journal Articles

Scaling Weld or Melt Pool Shape Affected by Thermocapillary Convection With High Prandtl Numbers

P. S. Wei, C. L. Lin, H. J. Liu, T. DebRoy
Journal: Journal of Heat Transfer
Article Type: Research Papers
J. Heat Transfer. April 2012, 134(4): 042101.
DOI: https://doi.org/10.1115/1.4005206
Published Online: February 16, 2012
... boundary layers capillarity convection electron beam welding laser beam welding melting surface tension two-phase flow welds laser welding electron beam welding melting scale analysis thermocapillary flow fusion zone shape moving-boundary Convection induced by thermocapillary...
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Topics: Boundary layers, Convection, Corners (Structural elements), Flow (Dynamics), Melting, Shapes, Surface tension, Temperature, Welding, Thermal boundary layers
Journal Articles

Laser Transmission Welding of a Lap-Joint: Thermal Imaging Observations and three–dimensional Finite Element Modeling

L. S. Mayboudi, A. M. Birk, G. Zak, P. J. Bates
Journal: Journal of Heat Transfer
Article Type: Technical Papers
J. Heat Transfer. September 2007, 129(9): 1177–1186.
DOI: https://doi.org/10.1115/1.2740307
Published Online: January 23, 2007
... with the experimental data and are in good agreement. 27 07 2006 23 01 2007 finite element analysis infrared imaging laser beam welding temperature distribution semiconductor lasers thermal imaging finite element modeling (FEM) 3-D thermal modeling ANSYS laser transmission welding...
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Topics: Finite element analysis, Imaging, Laser beams, Lasers, Modeling, Temperature, Temperature distribution, Welding, Dimensions, Geometry
Journal Articles

Porosity Formation and Prevention in Pulsed Laser Welding

Jun Zhou, Hai-Lung Tsai
Journal: Journal of Heat Transfer
Article Type: Technical Papers
J. Heat Transfer. August 2007, 129(8): 1014–1024.
DOI: https://doi.org/10.1115/1.2724846
Published Online: September 5, 2006
... 2006 05 09 2006 liquid metals porosity laser beam welding solidification laser welding modeling heat transfer fluid flow pulse control porosity formation prevention Joining of components with high precision and small heat-affected zone has recently made laser welding...
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Topics: Laser welding, Lasers, Liquid metals, Metals, Porosity, Solidification, Collapse, Temperature
Journal Articles

Transport Phenomena and Keyhole Dynamics during Pulsed Laser Welding

Jun Zhou, Hai-Lung Tsai, Pei-Chung Wang
Journal: Journal of Heat Transfer
Article Type: Research Papers
J. Heat Transfer. July 2006, 128(7): 680–690.
DOI: https://doi.org/10.1115/1.2194043
Published Online: December 7, 2005
.... , Breitschwerdt , S. , and Erofeew , W. , 2000 , “ Numerical Simulation of Weld Pool Geometry in Laser Beam Welding ,” J. Phys. D 0022-3727 10.1088/0022-3727/33/6/312 , 33 , pp. 662 – 671 . Kapadia , P. , Dowden , J. , and Ducharme , R. , 1996 , “ A Mathematical Model of Ablation...
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Topics: Dynamics (Mechanics), Flow (Dynamics), Fluid dynamics, Laser welding, Lasers, Metals, Plasmas (Ionized gases), Pressure, Temperature, Absorption