UB ScholarWorks

Browsing by Subject "Gas metal arc welding (GMAW)"

Browsing by Subject "Gas metal arc welding (GMAW)"

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  • Guo, Hao; Xu, Guang; Hu, Junling; Tsai, Hai-Lung (2006)
  • Rao, Z. H.; Hu, Junling; Liao, S. M.; Tsai, Hai-Lung (ASME, 2008-10-31)
    In gas metal arc welding (GMAW), for given welding conditions (e.g., current, electrode diameter, electrode material, etc.), the consumable electrode wire must be fed in such a speed that it dynamically balances the electrode ...
  • Hu, Junling; Tsai, Hai-Lung (IEEE, 2006)
    This paper simulates the acceleration of the droplet in the arc during gas metal arc welding process. After a droplet is detached from the electrode, it is accelerated in the high temperature and high velocity arc to the ...
  • Hu, Junling; Tsai, Hai-Lung; Wang, P.C. (ASME, 2006-11-05)
    In gas metal arc welding (GMAW), current is one of the most important factors affecting the mode of metal transfer and subsequently the weld quality. Recently, a new technology using pulsed currents has been employed to ...
  • Hu, Junling; Guo, Huang; Tsai, Hai-Lung (Elsevier, 2009-11)
    Both mathematical modeling and experiments have been conducted on the formation of the crater formed in a GMAW of aluminum alloy 6005-T4. Transient weld pool shape and the distributions of temperature and velocity were ...
  • Hu, Junling; Tsai, Hai-Lung (ASME, 2007-08)
    This article analyzes the transient complex heat transfer and fluid flow in molten metal and arc plasma during the gas metal arc welding process. The model predicts the formation, growth, detachment, and transfer of droplets ...
  • Hu, Junling; Tsai, Hai-Lung (ASME, 2007-11-11)
    This article analyzes the dynamic process of groove filling and the resulting weld pool fluid flow in gas metal arc welding of thick metals with V-groove. Filler droplets carrying mass, momentum, thermal energy, and sulfur ...
  • Hu, Junling; Tsai, Hai-Lung; Wang, P.C. (IEEE, 2005)
    A comprehensive model has been developed to simulate the transient, coupled transport phenomena occurring during a gas metal arc welding process. This includes the arc plasma; melting of the electrode; droplet formation, ...
  • Rao, Z. H.; Hu, Junling; Liao, S. M.; Tsai, Hai-Lung (ASME, 2009)
    This paper studied the influences of shielding gas compositions on the transport phenomena in the metal domain during gas metal arc welding (GMAW). A comprehensive model was developed to simulate the time-dependent processes ...
  • Hu, Junling; Guo, H.; Tsai, Hai-Lung (Elsevier, 2007)
    This article studies the transient weld pool dynamics under the periodical impingement of filler droplets that carry mass, momentum, thermal energy, and species in a moving 3D gas metal arc welding. The complicated transport ...

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