Numerical Analysis of Energy Effect in Laser-TIG Hybrid Welding
摘要
The hybrid source that combined CO2 laser with TIG arc to proceed welding was analyzed. Based on an energymodel, the temperature field and weld shape were calculated numerically. The heat transfer characteristic of thehybrid heat source to workpiece and its effect to weld shape were also analyzed. Through analyzing the enhancementeffect of the hybrid heat source, the absorption effect and defocusing effect of the hybrid arc to laser were calculated,and the regularity of the energy density to the current was obtained subsequently. At last, the critical energy matchesto induce the enhancement effect of CO2 laser-TIG arc hybrid welding were obtained.
引用本文（GB/T 7714）
Yanbin, Chen, Liqun, 等. Numerical Analysis of Energy Effect in Laser-TIG Hybrid Welding[J]. Acta Scientiarum Naturalium Universitatis Sunyatseni, 2003.
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