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HUANG Wei, ZHOU Yun, YU Chun, LU Hao. MIG welding of aluminum alloy with trace nitrogen additive[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2016, 37(11): 23-26.
Citation: HUANG Wei, ZHOU Yun, YU Chun, LU Hao. MIG welding of aluminum alloy with trace nitrogen additive[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2016, 37(11): 23-26.
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MIG welding of aluminum alloy with trace nitrogen additive

  • 1.

    School of Material Science and Engineering, Shanghai Jiaotong University, Shanghai 200240, China;Air Liquide(China) R & D Co., Ltd, Shanghai 200233, China

  • 2.

    Air Liquide(China) R & D Co., Ltd, Shanghai 200233, China

  • 3.

    School of Material Science and Engineering, Shanghai Jiaotong University, Shanghai 200240, China

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  • Received Date: November 04, 2014
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    • Abstract
  • When using MIG Welding with micro-addition of nitrogen for the aluminum alloy of 5086, it was found that the welding penetration related with welding productivity was increased without a loss of soundness and the mechanical properties compared to the weld using pure argon.This phenomena can be ascribed to:1) the formation of aluminum nitride layer resulted in the reduction of the spot of cathode and the increase of arc energy density, 2) the aluminum nitride could suppress the cathode energy loss because of the metal vaporization.
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    • References (10)
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