• Gadidala Rajesh Kumar
• Mekala Chandra Sekhara Reddy

Gas Tungsten arc Welding (GTAW) is fundamental in those applications where it is important to control the weld bead shape and metallurgical characteristics. This process is, however, of low productivity, particularly in the welding of large components. Activated Tungsten Inert Gas (A-TIG) welding improves welding pool penetration significantly, achieved usually by applying a thin layer of active flux composition on the surface of metal substrate. Austenitic Stainless Steel 304 is used extensively in day to day life applications. A novel variant of autogenous TIG welding process (A-TIG) was applied on SS 304 in which oxide, fluoride, chloride of metal powders PbO, NaF, ZnCl2 were used as fluxes to produce a bead on plate welds to achieve desired depth of penetration at lowest het input possible. The purpose of present work is to investigate the effect of oxide, fluoride, chloride fluxes on weld bead morphology namely, width(w), depth of penetration(d) and aspect ratio(d/w) and the best optimal results were evaluated.

A-TIG Welding, Autogenous, Fluxes, Weld Morphology, Stainless Steel.

"Effect of Flux Assisted Tungsten Inert Gas Welding (Activated TIG) on Weld Bead Morphology of Austenitic Stainless Steel 304 ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 2, page no.433-439, February-2019, Available :http://www.jetir.org/papers/JETIR1902058.pdf

"Effect of Flux Assisted Tungsten Inert Gas Welding (Activated TIG) on Weld Bead Morphology of Austenitic Stainless Steel 304 ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 2, page no. pp433-439, February-2019, Available at : http://www.jetir.org/papers/JETIR1902058.pdf