Simulation of Temperature Field during Double-Sided Multi-Layer TIG Welding and Determination of its Thermal Efficiency

Ming Min Huang; Dun Wen Zuo; Hong Feng Wang; X.F. Li; M. Wang

doi:10.4028/www.scientific.net/KEM.426-427.532

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 426-427Simulation of Temperature Field during...

Simulation of Temperature Field during Double-Sided Multi-Layer TIG Welding and Determination of its Thermal Efficiency

Abstract:

In order to provide effective guarantee for the prediction of residual stress and deformation after welding process of large-sized aluminum alloy structures, temperature field and thermal efficiency during double-sided multi-layer TIG welding of aluminum alloy was studied. By integratedly considering temperature-depended material properties, convection, radiation, filling rate of solders, et al, numerical analysis about the form of molten pool and temperature field was given. Element birth and death technique was taken during the simulation. Double-sided multi-layer TIG welding experiment was carried out and sample of cross section of weld seam after welding was prepared. By trying different thermal efficiency for calculation, simulation result consistent with experimental result was obtained finally, making the present thermal efficiency as the aim result for study. Confirmation was given by comparing temperature value from experiment with simulation one.

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Periodical:

Key Engineering Materials (Volumes 426-427)

Pages:

532-536

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.426-427.532

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Online since:

January 2010

Authors:

Ming Min Huang, Dun Wen Zuo, Hong Feng Wang, X.F. Li, M. Wang

Keywords:

Double-Sided Multi-Layer TIG Welding, Molten Pool, Temperature Field, Thermal Efficiency

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