Numerical simulation of the dynamic characteristics of weld pool geometry with step-changes of welding parameters

Modelling and Simulation in Materials Science and Engineering

Volumn 12, Issue 5, 2004, Pages 765-780

  Zhao, P C ^a   Wu, C S ^a   Zhang, Y M ^b  

^a SHANDONG UNIVERSITY   (China)

^b Center for Manufacturing   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACCELERATION; COMPUTER SIMULATION; FEEDBACK CONTROL; MATHEMATICAL MODELS; NONLINEAR SYSTEMS; PARAMETER ESTIMATION; QUALITY CONTROL; SHEAR STRESS; SURFACE TENSION; THERMAL DIFFUSION;

GAS TUNGSTEN ARC WELDING (GTAW); POOL GEOMETRY; WELD QUALITY; WELDING PARAMETERS;

WELDING;

EID: 4544306973     PISSN: 09650393     EISSN: None     Source Type: Journal    
DOI: 10.1088/0965-0393/12/5/002     Document Type: Article

References (15)

1. Zacharia T, Eraslan A H, Aidun D K and David S A 1989 Three-dimensional transient model for arc welding process Metall. Trans. B 20 645-59
2. Choo R T C, Szekely J and Westhoff R C 1990 Modeling of high-current arcs with emphasis on free surface phenomena in the weld pool Weld. J. 69 346s-61s
3. David S A, Vitek J M, Zacharia T and DebRoy T Weld pool phenomena Int. Inst. Weld. Doc. 212-829-93 2-4
4. Wu C S and Dorn L 1995 Prediction of surface depression of a tungsten inert gas weld pool in the full-penetration condition Proc. Inst. Mech. Eng. Pare B: J. Eng. Manuf. 209 221-6
5. Chen Y, David S A, Zacharia T and Cremers C J 1998 Marangoni convection with two free surfaces Numer. Heat Transfer 33 599-620
6. Kou S and Wang Y H 1986 Weld pool convection and its effect Weld. J. 65 63s-70s
7. Wu C S, Cao Z N and Wu L 1992 Numerical analysis of three-dimensional fluid flow and heat transfer in TIG weld pool with full-penetration Acta Metall. Sin. 28 427-32
8. Wu C S and Dorn L 1994 Computer simulation of fluid dynamics and heat transfer in full-penetrated TIG weld pools with surface depression Comput. Mater. Sci. 2 341-9
9. Lancaster J F 1986 The Physics of Welding (International Institute of Welding) 2nd edn (Oxford, UK: Pergamon)
10. Tsai N S and Eagar T W 1985 Distribution of the heat and current fluxes in gas tungsten arcs Metall. Trans. B 16 841-6
11. Goldak J 1984 A new finite element model for welding heat sources Metall. Trans. B 15 299-305
12. Wang Y, Shi Q and Tsai H L 2001 Modeling of the effects of surface-active elements on flow patterns and weld penetration Metall. Mater. Trans. B 32 145-61
13. Zacharia T, David S A and Vitek J M 1991 Effect of evaporation and temperature dependent material properties on weld pool development Metall. Trans. B 22 233-41
14. Choi M, Greif R and Salcudean M 1987 A study of heat transfer during arc welding with applications to pure metals or alloys and low or high boiling temperature materials Numer. Heat Transfer 11477-89
15. Wu C S 1992 Computer simulation of three-dimensional convection in traveling MIG weld pools Eng. Comput. 9529-37