Influence of filler wire addition on weld pool oscillation during gas tungsten arc welding
Source abstract
Abstract
The present paper reports on weld penetration control based on weld pool oscillation during gas tungsten arc welding (GTAW) with cold filler wire addition (cold wire GTAW). Experiments were carried out in which the weld pool was brought into oscillation by applying short pulses on the welding current. The frequency of the weld pool oscillation was obtained from the arc voltage variation via fast Fourier transform analysis. It was found that the weld pool oscillation approach is suitable for penetration control during cold wire GTAW when the metal transfer occurs in an uninterrupted bridging manner. Interrupted bridging transfer results in a disturbed oscillation signal due to agitation of the weld pool by mass transfer and/or oscillation of the pendant droplet.
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Research context
OpenAlex topics: Welding Techniques and Residual Stresses · Hydrogen embrittlement and corrosion behaviors in metals · Advanced Welding Techniques Analysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (16)
Show source-provided references
1. Kotecki D. J. · Weld. J · 1972 · 51 · 386s
2. Renwick R. J. · Weld. J · 1983 · 62 · 29s
3. 10.1115/1.314065210.1115/1.3140652 ↗
4. Xiao Y. H., and Den Ouden G.: Proc. 3rd Int. Conf. on ‘Trends in welding research’, Gatlinburg, TN, USA, June 1992, ASM International, 423–426.
5. Xiao Y. H. · Weld. J · 1990 · 69 · 289s
6. Xiao Y. H. · Weld. J · 1993 · 72 · 428s
7. 10.1080/0950711930954845710.1080/09507119309548457 ↗
8. Hu B., and Den Ouden G.: Proc. 5th Int. Conf. on ‘Trends in welding research’, Pine Mountain, GA, USA, June 1998, ASM International, 1125–1130.
9. Aendenroomer A. J. R. ‘Weld pool oscillation for penetration sensing and control’, PhD thesis, Delft University of Technology, Delft, The Netherlands, 1996.
10. Aendenroomer A. J. R. · Weld. Cutting · 2001 · 53
11. Wohlfahrt H. · Weld. Cutting · 2001 · 53 · 29
12. Hermans M. J. M. · Weld. J · 1999 · 78 · 137s
13. Rehfeldt D. · Weld. Cutting · 2000 · 52
14. Iida T., and Guthrie R. I. L. ‘The physical properties of liquid metals’, 71; 1988, Oxford, Clarendon Press.
15. ‘Metals handbook’, 10th edn, Vol. 1, 374; 1990, Metals Park, OH, ASM International.
16. Friedman E. · Weld. J · 1978 · 57 · 161s