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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.

MIG welding of aluminum alloy with trace nitrogen additive

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  • Received Date: November 04, 2014
  • 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.
  • Kuang Hung Tseng, Kai Chieh Hsien. Effect of Ar-N2 mixed gas on morphology and microstructure of type 316L stainless steel TIG weld metal[J]. Advanced Materials Research, 2011, 295-297:1919-1924.
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    Toshiyasu Fukui, Yoshihiko Sugiyama, Shiro Terai. Effects of nitrogen, oxygen and hydrogen gases added to argon gas on mig-welding of aluminum alloys[J]. Transactions of the Japan Welding Society, 1970, 1(1):19-27.
    Arayama T, Nakata K. Effect of He gas addition in Ar shielding gas on weld penetration of GMA welds of aluminium alloy-improvement of weld penetration of GMA welds of aluminium alloy circular filler joint[J]. Welding International, 2007, 21:39-44.
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