Indian Welding Journal

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Effect of Different Oxide Fluxes on the Penetration Depth, Microstructure and Corrosion Behaviour of Austenitic Stainless Steel in A-TIG Welding


Affiliations
1 Seacom Engineering College, Howrah - 711 302, India
2 Welding Technology Centre, Metallurgical and Material Engineering Department, Jadavpur University, Kolkata-700 032, India
     

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Three single oxide fluxes and two combined oxide fluxes were used to investigate the effect of different fluxes on depth/width ratio, microstructure and corrosion resistance in type 304 stainless steel. The result showed that the type of oxide flux has a significant effect on the 304 SS weld penetration, microstructure and corrosion resistance. The uses of oxide fluxes appear to promote the formation of deltaferrite and higher oxygen content resulted fine delta ferrite. Furthermore, the corrosion resistance of austenitic stainless steel welds improved with addition of oxide fluxes.

Keywords

Oxide Flux, Depth/Width Ratio, Microstructure, Corrosion Resistance, Gas Tungsten Arc Welding.
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  • Effect of Different Oxide Fluxes on the Penetration Depth, Microstructure and Corrosion Behaviour of Austenitic Stainless Steel in A-TIG Welding

Abstract Views: 487  |  PDF Views: 4

Authors

Ajit Kumar Pramanick
Seacom Engineering College, Howrah - 711 302, India
Suman Modak
Seacom Engineering College, Howrah - 711 302, India
Tapan Kumar Pal
Welding Technology Centre, Metallurgical and Material Engineering Department, Jadavpur University, Kolkata-700 032, India

Abstract


Three single oxide fluxes and two combined oxide fluxes were used to investigate the effect of different fluxes on depth/width ratio, microstructure and corrosion resistance in type 304 stainless steel. The result showed that the type of oxide flux has a significant effect on the 304 SS weld penetration, microstructure and corrosion resistance. The uses of oxide fluxes appear to promote the formation of deltaferrite and higher oxygen content resulted fine delta ferrite. Furthermore, the corrosion resistance of austenitic stainless steel welds improved with addition of oxide fluxes.

Keywords


Oxide Flux, Depth/Width Ratio, Microstructure, Corrosion Resistance, Gas Tungsten Arc Welding.



DOI: https://doi.org/10.22486/iwj%2F2013%2Fv46%2Fi1%2F141197