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CAO Meiqing, ZOU Zengda, QU Shiyao. Relationship between metal transfer and arc shape in twin-wire indirect arc welding[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2012, (6): 47-50.
Citation: CAO Meiqing, ZOU Zengda, QU Shiyao. Relationship between metal transfer and arc shape in twin-wire indirect arc welding[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2012, (6): 47-50.
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Relationship between metal transfer and arc shape in twin-wire indirect arc welding

  • 1.

    College of Material Science and Engineering, SUST, Qingdao, Shandong 266510, China

  • 2.

    College of Material Science and Engineering, Shandong University, Jinan 250061, China

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  • Received Date: April 17, 2011
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    • Abstract
  • Relationship between metal transfer,arc shape and arc voltage was investigated with high speed camcorder system and digital oscillograph.Results show that metal transfer has a close relationship with arc voltage and the regular variation of arc shape.It shows that the regular changes of metal transfer make polarity spots spacing and arc beam resistance change and cause the arc voltage fluctuations,so that the arc shape changes regularly.Droplet transfer pattern changes and droplet size dereases with the increasing of welding current,different metal transfer mode has different arc voltage fluctuation,spraying transfer has lower variation of voltage but short transfer's arc voltage variation is bigger.
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