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CHEN Zhenwen, WANG Lei, RUI Zhenglei, QIAO Jisen. Arc behavior of flux bands constricting arc welding for high strength steel sandwich panels T-joints[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2019, 40(12): 83-90. DOI: 10.12073/j.hjxb.2019400318
Citation: CHEN Zhenwen, WANG Lei, RUI Zhenglei, QIAO Jisen. Arc behavior of flux bands constricting arc welding for high strength steel sandwich panels T-joints[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2019, 40(12): 83-90. DOI: 10.12073/j.hjxb.2019400318
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Arc behavior of flux bands constricting arc welding for high strength steel sandwich panels T-joints

  • Lanzhou University of Technology, Lanzhou 730050, China;State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China

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  • Received Date: May 23, 2019
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    • Abstract
  • The arc behavior of high-strength camera and welding electric signal acquisition system in the process of constrained arc welding of high-strength sandwich plate T-joints were studied. The results showed that the flux bands not only effectively solves the arc climbing problem in the welding process, but also changes the arc shape and heating characteristics, and significantly increases the arc stability; when the arc voltage is controlled at 23~29 V, and the welding current is controlled at 240~320 A, the groove width is controlled at 5~7 mm. Within the range of process parameters, the flux bands has a moderate melting height, and the arc can be well constrained. The distance from the arc to the bottom of the groove is equivalent to the distance from the arc to the side wall of the panel, mainly on the slope. The bottom of the mouth and the root of the side wall are stably burned, and a good T-joint with a fusion of the panel and the core plate can be obtained.
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