Three-dimensional analysis of molten pool in GMA-laser hybrid welding

Welding Journal (Miami, Fla)

Volumn 88, Issue 2, 2009, Pages

  Cho, J H ^a   Na, S J ^a  

^a Korea Advanced Institute of Science and Technology (KAIST)   (South Korea)

Author keywords

Fresnel; Gas Metal Are Welding (GMAW); Hybrid welding; Keyhole; Laser; Volume of fluid (VOF)

Indexed keywords

ABSORPTION; CAVITY RESONATORS; ELECTRIC WELDING; FLOW PATTERNS; FREE VOLUME; GAS ABSORPTION; GAS METAL ARC WELDING; GAS WELDING; LAKES; LASERS; METAL ANALYSIS; THREE DIMENSIONAL; VORTEX FLOW; WELDING;

FRESNEL; GAS METAL ARE WELDING (GMAW); HYBRID WELDING; KEYHOLE; LASER; VOLUME OF FLUID (VOF);

LASER BEAM WELDING;

EID: 60349130675     PISSN: 00432296     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (29)

1. Bicknell, A., Smith, J. S., and Lucas, J. 1994. Arc voltage sensor for monitoring of penetration in TIG welds. IEE Proc. Sci. Meas. Tech. 141:513-520.
2. Kim, C. H., and Na, S. J. 2001. A study of an arc sensor model for gas metal arc welding with rotating arc Part 1: Dynamic simulation of wire melting. Proc. Institution of Mechanical Engineers. Part B, Journal of Engineering Manufacture 215:1271-1280.
3. Kim, C. H., and Na, S. J. 2001. A study of an arc sensor model for gas metal arc welding with rotating arc Part 2: Simulation of an arc sensor in mechanically rotating gas metal arc welding. Proc. Institution of Mechanical Engineers. Part B, Journal of Engineering Manufacture 215:1281-1288.
4. Wu, C. S., Gao, J. Q., Liu, X. F., and Zhao, Y. H. 2002. Vision-based measurement of weld pool geometry in constant-current gas tungsten arc welding. Proc. Institution of Mechanical Engineers. Part B, Journal of Engineering Manufacture 217: 879-882.
5. Zhang, Y. M., Wu, L., Chen, D. H., and Walcott, B. L. 1993. Determining joint penetration in GTAW with vision sensing of weld face geometry. Welding Journal 72(10): 463-s to 469-s.
6. Fujinaga, S., Takenaka, H., Narikiyo, T., and Katayama, S. 1998. Observation of keyhole behavior during high power YAG laser welding with microfocused X-ray transmission imaging system. Laser Materials Processing Conference. 158-167.
7. Matsunawa, A., Seto, N., Mizutani, M., and Katayama, S. 1999. X-ray observation of keyhole dynamics in high power laser welding. International Welding Conference; (IWC 99) On Welding & Allied Technology, "Challenges in 21st century. " pp. 46-53.
8. Kim, I. S., and Basu, A. 1998. A mathematical model of heat transfer and fluid flow in the gas metal arc welding process. Journal of Materials Processing Technology 77: 17-24.
9. Tsao, K. C., and Wu, C. S. 1988. Fluid flow and heat transfer in GMA weld pools. Welding Journal 67(3): 70-s to 75-s.
10. Ohring, S., and Lugt, H. J. 1999. Numerical simulation of a time-dependent 3-D GMA weld pool due to a moving arc. Welding Journal 78(12): 416-s to 424-s.
11. Kim, C. H., Zhang, W., and DebRoy, T. 2003. Modeling of temperature field and solidified surface profile during gas metal arc fillet welding. Journal of Applied Physics 94: 2667-2679.
12. Wang, Y., and Tsai, H. L. 2001. Impingement of filler droplets and weld pool dynamics during gas meal arc welding process. International Journal of Heat and Mass Transfer 44: 2067-2080.
13. Cao, Z., Yang, Z., and Chen, X. L. 2004. Three-dimensional simulation of transient GMA weld pool with free surface. Welding Journal 85:169-s to 176-s.
14. Mahrle, A., and Schmidt, J. 2002. The influence of fluid flow phenomena on the laser beam welding process. International Journal of Heat and Fluid Flow 23: 288-297.
15. Zhang, W. H., Zhou, J., and Tsai, H. L. 2003. Numerical modeling of keyhole dynamics in laser welding. Proc. of SPIE 4831: 180-185.
16. Ki, H., Mohanty, P. S., and Majumder, J. 2002. Modeling of laser keyhole welding: Part I. Mathematical modeling, numerical methodology, role of recoil pressure, multiple reflections, and free surface evolution. Metallurgical and Materials Transactions A 33A: 1817-1830.
17. Ki, H., Mohanty, P. S., and Majumder, J. 2002. Modeling of laser keyhole welding: Part II. Simulation of keyhole evolution, velocity, temperature profile, and experimental verification. Metallurgical and Materials Transactions A 33A: 1831-1842.
18. Ki, H., Mohanty, P. S., and Majumder, J. 2002. Multiple reflections and its influence on keyhole evolution. Journal of Laser Applications 14: 39-45.
19. Hirt, C. W., and Sicilian, J. M. 1985. A porosity technique for the definition of obstacles in rectangular cell meshes. Proc. Fourth International Conf. Ship Hydro., National Academy of Science, Washington, D.C., September.
20. Hirt, C. W., and Nichols, B. D. 1981. Volume of fluid method for the dynamics of free boundaries. Journal of Computational Physics 39: 201-225.
21. Cho, Y. T. 2005. A study on the analysis and monitoring of plasma in laser arc hybrid welding. PhD thesis. KAIST. pp. 21, 22.
22. Lee, J. Y., Ko, S. H., Farson, D. F., and Yoo, C. D. 2002. Mechanism of keyhole formation and stability in stationary laser welding. Journal of Physics D: Applied Physics 35: 1570-1576.
23. Cho, J. H., and Na, S. J. 2006. Implementation of real-time multiple reflection and Fresnel absorption of laser beam in keyhole. Journal of Physics D: Applied Physics 39: 5372-5378.
24. Cho, J. H., and Na, S. J. 2006. Three-dimensional analysis of molten pool in laserGMA hybrid welding. Proc. of LAMP 2006, #06-183.
25. Ducharme, R., Williams, K., Kapadia, P., Dowden, J., Steen, B., and Glowacki, M. 1994. The laser welding of thin metal sheets: An integrated keyhole and weld pool model with supporting experiments. Journal of Physics D: Applied Physics 27:1619-1627.
26. Kumar, A., and DebRoy, T. 2003. Calculation of three-dimensional electromagnetic force field during arc welding. Journal of Applied Physics 94:1267-1277.
27. Matsunawa, A., and Katayama, S. 2002. Keyhole instability and its relation to porosity formation in high power laser welding, Proc. Joining of Advanced and Specialty Materials, pp. 8-15.
28. DuPont, J. N., and Marder, A. R. 1995. Thermal efficiency of arc welding process. Welding Journal 74(12): 406-s to 416-s.
29. Fujinaga, S., Takenaka, H., Narikiyo, T., Katayama, S., and Matsunawa A. 2000. Direct observation of keyhole behavior during pulse modulated high-power Nd:YAG laser irradiation. Journal of Physics D: Applied Physics 33: 492-497.