Visualization of Marangoni convection in simulated weld pools

Welding Journal (Miami, Fla)

Volumn 79, Issue 5, 2000, Pages 126-s

  Limmaneevichitr, C ^a   Kou, S ^a  

^a University of Wisconsin Madison   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BUOYANCY; CARBON DIOXIDE LASERS; FLOW MEASUREMENT; FLOW PATTERNS; FLOW VISUALIZATION; HEAT CONVECTION; LASER BEAMS; LIQUID METALS; SODIUM COMPOUNDS; SURFACE ACTIVE AGENTS; SURFACE TENSION; TEMPERATURE MEASUREMENT;

BUOYANCY CONVECTION; MARANGONI CONVECTION; SODIUM NITRATE; WELD POOLS;

ELECTRIC ARC WELDING;

EID: 0343006842     PISSN: 00432296     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (26)

1. Heiple, C. R., and Roper, J. R. 1982. Mechanism for minor element effect on GTA fusion zone geometry. Welding Journal 61(4): 97-s to 102-s.
2. Sahoo, P., DebRoy, T., and McNallan, M. J. 1988. Surface tension of binary metal-surface active solute systems under conditions relevant to welding metallurgy. Metallurgical Transactions 19B(3): 483-491.
3. Kou, S. 1987. Welding Metallurgy. New York, N.Y., John Wiley and Sons, pp. 91-103.
4. Kou, S. 1996. Transport Phenomena and Materials Processing. New York, N.Y., John Wiley and Sons, pp. 499-515, 44-48.
5. Ishizaki, K., Araki, N., and Murai, H. 1965. Penetration in arc welding and convection in molten metal. Journal of Japan Welding Society 34(2): 146-153 (in Japanese).
6. White, L. R., and Davis, H. T. 1967. Thermal conductivity of molten alkali nitrates. Journal of Chemical Physics 47(12): 5433-5439.
7. Janz, G. J. 1972. Journal of Physical Chemistry, Reference Data: 1(3): 583-704.
8. Preisser, F., Schwabe, D., and Scharmann, A. 1983. Steady and oscillatory thermocapillary convection in liquid columns with free cylindrical surface. Journal of Fluid Mechanics 126: 545-567.
9. Atomergic Chemetals Corp. 1993. Datasheet. Farmingdale, N.Y.
10. 3. Ward Hill, Mass.
11. Schwabe, D., Scharmann, A., Preisser, F., and Oeder, R. 1978. Experiments on surface tension driven flow in floating zone melting. Journal of Crystal Growth 43: 305-312.
12. Rouse, H. 1978. Elementary Mechanics of Fluids. New York, N.Y., Dover Publications, p. 39.
13. Kou. S., and Sun, D. K. 1985. Fluid flow and weld penetration in stationary arc welds. Metallurgical Transactions A 16A: 203-213.
14. Lu, M., and Kou, S. 1988. Power and current distributions in gas tungsten arcs. Welding Journal 67(2): 29-s to 34-s.
15. Duley, W. W. 1999. Laser Welding. New York, N.Y., John Wiley and Sons, p. 76.
16. Mazumder, J., and Voekel, D. 1992. Laser Advanced Materials Processing - Science and Applications, eds. A. Matsunawa and S. Katayama. High Temperature Society of Japan. Osaka, Japan. Vol. 1, pp. 373-380.
17. Tsai, M. C., and Kou, S. 1989. Marangoni convection in weld pools with a free surface. Internal Journal for Numerical Methods in Fluids 9: 1503-1516.
18. Limmaneevichitr, C., and Kou, S. 1998. Flow visualization of Marangoni convection in simulated weld pool (a videotape movie), unpublished work. Madison, Wis., University of Wisconsin-Madison.
19. Kamotani, Y., Chang, A., and Ostrach, S. 1996. Effects of heating mode on steady axisymmetric thermocapillary flows in microgravity. Journal of Heat Transfer 118: 191-197.
20. Limmaneevichitr, C., and Kou, S. 1998. Physical simulation of thermocapillary convection in weld pools. NASA Microgravity Materials Science Conference, NASA/CP-1999-209092: 393-398.
21. Kamotani, Y., Lee, J. H., and Ostrach, S. 1992. An experimental study of oscillatory thermocapillary convection in cylindrical containers. Physics of Fluids A 4: 955-961.
22. Oreper, G. M., and Szekely, J. 1984. Heat- and fluid-flow phenomena in weld pools. Journal of Fluid Mechanics 147: 53-79.
23. Pitscheneder, W., Ebner, R., DebRoy, T., and Mundra, K. 1996. Weld pool geometry during high power conduction mode carbon dioxide laser welding. Trends in Welding Research, eds. H. B. Smartt, J. A. Johnson and S. A. David. Materials Park, Ohio, ASM International.
24. Kim, W. H., Fan, H. G., and Na, S. J. 1997. Effect of various driving forces on heat and mass transfer in arc welding. Numerical Heat Transfer, Part A 32: 633-652.
25. Mills, K. C., Keene, B. J., Brooks, R. F., and Olusanya. 1984. Surface tension of 304 and 316 type stainless steels and their effect on weld penetration. Report of the National Physical Laboratory, Teddinton, Middlesex, U.K.
26. Limmaneevichitr, C., and Kou, S. 2000. Experiments to Simulate Effect of Marangoni Convection on Weld Pool Shape. (To be published in the Welding Journal.)