A dynamic welding heat source model in pulsed current gas tungsten arc welding

In pulsed current gas tungsten arc welding (PCGTAW), the peak current is generally selected to give adequate penetration and bead contour, while the background current is set at a level sufficient to maintain a stable arc. It is well seen that the arc is bell-shaped during the peak pulse duration wh...

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Veröffentlicht in:	Journal of materials processing technology 2013-12, Vol.213 (12), p.2329-2338
Hauptverfasser:	Tong, Zhang, Zhentai, Zheng, Rui, Zhao
Format:	Artikel
Sprache:	eng
Schlagworte:	Dynamic models Dynamics Gas tungsten arc welding Gaussian Heat source model Heat sources Mathematical models Numerical simulation Pulsed current Pulsed current gas tungsten arc welding Shape Welding Welding temperature field
Online-Zugang:	Volltext
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