Numerical Simulation of Double-Sided Double Arc Welding without Back Chipping Based on MSC.MARC

Li Gao; Ye Fa Tan; Bin Cai; Long He; Gui Yang Dong; Zi Shuang Yang

doi:10.4028/www.scientific.net/AMR.538-541.1512

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 538-541Numerical Simulation of Double-Sided Double Arc...

Numerical Simulation of Double-Sided Double Arc Welding without Back Chipping Based on MSC.MARC

Abstract:

Numerical simulation based on MSC.MARC was applied to predict the residual stress in double-sided double arc welding (DSDAW). The distribution of residual stress field in the welding seam was simulated and the actual situation in experiment of the residual stress was also measured. It shows that the calculated results are in good agreement with the experimental ones. The residual stress of conventional welding (CW) or a single arc welding (SAW) is calculated too. Moreover, the welding residual stress field of thick metal plates welded by DSDAW was carried out and compared with that of the CW method with back chipping. The result shows that the DSDAW technology had some excellent characteristics of smaller angular deformation, lower residual peak tensile stress, and well-proportioned stress distribution, which testifies that the welding procedures in DSDAW are reduced and the welding efficiency and quality of the welding joint are improved in great margin.

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Periodical:

Advanced Materials Research (Volumes 538-541)

Pages:

1512-1517

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.538-541.1512

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Online since:

June 2012

Authors:

Li Gao, Ye Fa Tan, Bin Cai, Long He, Gui Yang Dong, Zi Shuang Yang

Keywords:

Conventional Welding, DSDAW, Numerical Simulation, Residual Stress

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