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Polarities effect on arc interference in triple-electrode CO2 fillet welding 被引量：3

Polarities effect on arc interference in triple-electrode CO2 fillet welding
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摘要 The occurrence of arc interference between the adjacent arcs becomes an important problem in triple-electrode high speed CO2 fillet welding. To clarify this problem, polarities effects on arc interference were investigated. The experimental results and theoretical analysis showed that the reverse magnetic field generated by the middle wire （ DCEN or DCEP ） decreased the arc deflection due to arc interference. The average arc voltage fluctuations induced by DCEP/DECN/DCEP and DCEN/DCEP/DCEN were smaller than those induced by the other polarities. The occurrence of arc interference between the adjacent arcs becomes an important problem in triple-electrode high speed CO2 fillet welding. To clarify this problem, polarities effects on arc interference were investigated. The experimental results and theoretical analysis showed that the reverse magnetic field generated by the middle wire （ DCEN or DCEP ） decreased the arc deflection due to arc interference. The average arc voltage fluctuations induced by DCEP/DECN/DCEP and DCEN/DCEP/DCEN were smaller than those induced by the other polarities.
作者 马晓丽 华学明 吴毅雄
机构地区 Materials Testing and Analysis Center Laboratory of Materials Laser Processing and Modification
出处 《China Welding》 EI CAS 2012年第4期15-19,共5页 中国焊接（英文版）
关键词 triple-electrode CO2 fillet welding arc interference polarities triple-electrode CO2 fillet welding, arc interference, polarities
分类号 TP212 [自动化与计算机技术—检测技术与自动化装置] O613.71 [理学—无机化学]
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参考文献10

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China Welding
2012年 第4期

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