Simulation and Technology of Hybrid Welding of Thick Steel Parts with High Power Fiber Laser | Zendy

Gleb Turichin | Zendy; Ekaterina Valdaytseva | Zendy; I. A. Tzibulsky | Zendy; А. В. Лопота | Zendy; O Velichko | Zendy

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Simulation and Technology of Hybrid Welding of Thick Steel Parts with High Power Fiber Laser

Author(s) -

Gleb Turichin,

Ekaterina Valdaytseva,

I. A. Tzibulsky,

А. В. Лопота,

O Velichko

Publication year - 2011

Publication title -

physics procedia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.26

H-Index - 61

ISSN - 1875-3892

DOI - 10.1016/j.phpro.2011.03.081

Subject(s) - welding , materials science , laser beam welding , keyhole , fiber laser , laser , oscillation (cell signaling) , electric resistance welding , weld pool , laser power scaling , composite material , arc welding , fiber , optics , gas tungsten arc welding , physics , biology , genetics

The article devoted to steady state and dynamic simulation of melt pool behavior during hybrid laser-arc welding of pipes and shipbuilding sections. The quasi-stationary process-model was used to determine an appropriate welding mode. The dynamical model of laser welding was used for investigation of keyhole depth and width oscillations. The experiments of pipe steel and stainless steel hybrid laser-MAG welding have been made with 15-kW fiber laser in wide range of welding mode parameters. Comparison of experimentally measured and simulated behavior of penetration depth as well as their oscillation spectra approved the self-oscillation nature of melt pool behavior. The welding mode influence of melt pool stability has also been observed. The technological peculiarities, which allow provide high quality weld seam, has been discussed also

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