Development of ultra-low spatter CO2 gas-shielded arc welding process J-STAR&reg welding

被引：0

作者：

Kataoka, Tokihiko ^{[1
]}

Ikeda, Rinsei ^{[1
]}

Yasuda, Koichi ^{[2
]}

机构：

[1] Joining and Strength Res. Dept., Steel Res. Lab., JFE Steel

[2] Steel Res. Lab., JFE Steel

来源：

JFE Technical Report | 2007年 / 10期

关键词：

Carbon dioxide - Drops - Electric arc welding - Short circuit currents;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

J-STAR&reg Welding is performed with an electrode negative polarity using a rare earth metal added wire in CO2 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 CO2 gas shielded arc welding method.

引用

页码：31 / 34

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