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首页> 外文期刊>JFE technical report >Development of Ultra-low Spatter CO_2 Gas-shielded Arc Welding Process 'J-STAR~® Welding'
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Development of Ultra-low Spatter CO_2 Gas-shielded Arc Welding Process 'J-STAR~® Welding'

机译：超低飞溅CO_2气体保护电弧焊工艺“ J-STAR〜®焊接”的开发

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摘要

J-STAR~® Welding is performed with an electrode negative polarity using a rare earth metal added wire in CO_2 gas shielded arc. In the welding current over 250 A, a conical arc plasma was formed from the wire tip, and the droplets that transfer to molten pool became fine and continuous, what is called "spray transfer," during J-STAR Welding. In the welding current under 200 A, application of waveform control of welding current realized periodic short circuit transfer. As a result, spatter generation was reduced to less than 10% in comparison with that of conventional CO_2 gas shielded arc welding method.
机译：使用添加有稀土金属的焊丝在CO_2气体保护电弧中以负极性进行J-STAR〜®焊接。在超过250 A的焊接电流中，由焊丝尖端形成了一个圆锥形的电弧等离子体，在J-STAR焊接过程中，转移到熔池的熔滴变得细小且连续，这就是所谓的“喷雾转移”。在200 A以下的焊接电流中，通过对焊接电流进行波形控制，可以实现周期性的短路转移。结果，与常规的CO_2气体保护电弧焊方法相比，飞溅物产生减少到小于10％。

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