Journal
MATERIALS
Volume 13, Issue 20, Pages -Publisher
MDPI
DOI: 10.3390/ma13204520
Keywords
TIG-MIG hybrid welding; numerical simulation; arc behavior; metal transfer
Categories
Funding
- National Natural Science Foundation of China [51675309]
- Major Program of Shandong Province Natural Science Foundation [ZR2018ZC1760]
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Tungsten inert gas-metal inert gas hybrid welding (TIG-MIG) combines the advantages of tungsten and metal inert gas welding. It can efficiently produce high-quality weld joints that meet modern manufacturing quality and efficiency requirements. Based on heat transfer, fluid dynamics, and electromagnetic theory, a three-dimensional coupled transient model of arc-droplet interactions in TIG-MIG hybrid welding was established. In this study, the temperature field, flow field, electromagnetic force, pressure, and current density parameters were analyzed in the arc space. The results show that introducing TIG welding has a significant impact on MIG welding.
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