National Natural Science Foundation of China(Grant No.51265029)
Gas pool coupled activating TIG(GPCA?TIG) welding put forward in?house can dramatically enhance weld penetration of TIG welding through introducing active element oxygen to reverse the Marangoni convection flow in the...
supported by National Natural Science Foundation of China(Grant No.51265029)
This paper deals with a novel dual shield TIG welding method named gas pool coupled activating TIG( GPCA-TIG)welding. The welding method divides the shielding gas into two layers. Inert gas such as Ar is adopted as th...
supported by National Natural Science Foundation of China(Grant No.51265029)
This work mainly articulated the effects of nozzle structure on arc characteristics in gas pool coupled activating TIG (GPCA-TIG) welding process by using Fluent Software. Different models were set up to adapt the d...