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Author:

Yang Xiaohong (Yang Xiaohong.) | Song Yonglun (Song Yonglun.) | Ran Guowei (Ran Guowei.) | Xiao Tianjiao (Xiao Tianjiao.)

Indexed by:

CPCI-S EI Scopus

Abstract:

Finite element simulation is utilized in an aluminum alloy 2014 butt weld with the three kinds of welding processes, namely the filler wire Tungsten Inert Gas (TIG) welding, the laser welding and laser-TIG hybrid welding. The simulated results are in good agreement with the weld cross sections for the TIG and the laser welding, and basically in agreement with that for the laser-TG hybrid welding using the actual welding parameters. Furthermore, the simulated results shown that the longitudinal residual stresses after welding are the largest for the laser welding and the laser-TIG hybrid welding, the maximum of which are approximate to 300MPa and are 1.2 times of that for the TIG welding. However, the residual stresses would be relatively decreased by backing molten with TIG welding and preheating before welding; the maximum longitudinal residual stresses for the laser welding and the laser-TIG hybrid welding could be decreased remarkably by about 50%.

Keyword:

thermal circle curve microstructure finite element method high-strength aluminun butt weld residual stress

Author Community:

  • [ 1 ] [Yang Xiaohong]Beijing Univ Technol, Dept Mech Engn, Beijing, Peoples R China
  • [ 2 ] [Song Yonglun]Beijing Univ Technol, Dept Mech Engn, Beijing, Peoples R China
  • [ 3 ] [Ran Guowei]Beijing Univ Technol, Dept Mech Engn, Beijing, Peoples R China
  • [ 4 ] [Xiao Tianjiao]Beijing Univ Technol, Dept Mech Engn, Beijing, Peoples R China

Reprint Author's Address:

  • [Yang Xiaohong]Beijing Univ Technol, Dept Mech Engn, Beijing, Peoples R China

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Source :

MANUFACTURING SCIENCE AND TECHNOLOGY, PTS 1-8

ISSN: 1022-6680

Year: 2012

Volume: 383-390

Page: 1801-1811

Language: English

Cited Count:

WoS CC Cited Count: 1

SCOPUS Cited Count: 2

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 9

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