Influence of Multi-Beam Electron Beam Welding Technique on the Deformation of Ti6Al4V Alloy Sheet

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Abstract

Multi-beam electron beam welding (EBW) is a new technique that allows more than two electron beams running simultaneously for welding and it is considered a promising method to reduce welding stress and deformation. In order to reduce the deformation of Ti6Al4V alloy sheets, a novel multi-beam EBW method was proposed in this research, including two additional electron beams to post-heat the weld, besides one main electron beam to melt metals. Experiments were conducted on Ti6Al4V alloy sheets using this multi-beam technique. Results show that compared with the conventional EBW, the multi-beam EBW can improve the welding thermal cycle and effectively reduce the welding deformation by adjusting the position and energy distribution of two additional electron beams.

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Fan, J., Zhang, W., Qi, B., & Liu, F. (2017). Influence of Multi-Beam Electron Beam Welding Technique on the Deformation of Ti6Al4V Alloy Sheet. Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering, 46(9), 2417–2422. https://doi.org/10.1016/s1875-5372(17)30208-4

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