effects of welding parameters on penetration depth in mild steel a-tig welding

A-tig welding is a welding method in which tig welding is conducted by covering a thin layer of activating ux on the weld bead beforehand. the most significant benefit of this process is the gain in weld penetration depth. a-tig welds were produced on mild steel plates with tio2 ux. the emphasis of this paper was laid upon introducing the effects of various process parameters, namely welding current, welding speed, powder/acetone ratio of the ux, arc length, and electrode angle on mild steel atig welding. the weld penetration depth was measured metallographically. an optimum value was determined for each welding parameter.