Effects of surface depression on pool convection and geometry in stationary GTAW

Welding Journal (Miami, Fla)

Volumn 80, Issue 2, 2001, Pages 39-S

  Ko, S H ^a   Choi, S K ^a   Yoo, C D ^a  

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

Author keywords

Direct current; GTAW; Marangoni flow; Pool convection; Pulsed current; Surface depression; Volume of fluid method

Indexed keywords

CURRENT DENSITY; HEAT CONVECTION; INTERFACES (MATERIALS); MAGNETIC FLUX; NUMERICAL METHODS; PRESSURE EFFECTS; SURFACE TENSION; TUNGSTEN; VELOCITY;

FLOW VELOCITY; FREE SURFACE; MARANGONI FLOW; POOL CONVECTION; SURFACE DEPRESSION; WELDING CURRENT;

GAS METAL ARC WELDING;

EID: 0035248098     PISSN: 00432296     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (16)

1. Mechanism for minor element effect on GTA fusion zone geometry
2. Weld pool convection and its effect
3. Convection in arc weld pools
4. Weld pool development during GTA and laser beam welding of type 304 stainless steel, part I - theoretical analysis
5. Weld pool development during GTA and laser beam welding of type 304 stainless steel, part II - experimental correlation
6. Electromagnetic-force-induced convection in weld pools with a free surface
7. Effect of weld pool deformation on weld penetration in stationary gas tungsten arc welding
8. Modeling of high-current arcs with emphasis on free surface phenomena in the weld pool
9. Influence of arc pressure on weld pool geometry
10. Modeling of nonautogenous welding
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12. Volume of fluid (VOF) method for the dynamics of free boundaries
13. Dynamic simulation of metal transfer in GMAW - Part 2: Short-circuit transfer modes
14. The effect of gas shear stress on Marangoni flows in arc welding
15. Experimental investigation of GTA weld pool oscillations