Zeng Xiaoyan, Gao Ming, Yan Jun. Effects of Shielding Gas in Laser-Arc Hybrid Welding[J]. Chinese Journal of Lasers, 2011, 38(6): 601005
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Laser-arc hybrid welding has absorbed wide interesting in the past years due to its potential industrial applications, in which shielding gas plays an important role to achieve the effective laser-arc synergy effect and stable process. The effects of the shielding gas on the bead quality for laser-arc hybrid welding are reviewed. The mechanisms about the parameters of the shielding gas on process characteristics, bead shape and joint mechanical properties are discussed.