ISSN: 0354-7965; eISSN: 3042-3163; UDC: 621.791; DOI: 10.65156

Welding and welded structures, 2024, Vol. 69, Issue 3, pp. 99-110


Comparison of ATIG welding powders and their influence on mechanical properties

Tomaž Vuherer1, Darko Bajić2, Mersida Manjgo3, a, Edvard Bjelajac4, Andrej Skumavc5, Uroš Orožim6, Gorazd Lojen7

  • 1Univerza u Mariboru, Fakulteta za strojništvo, Maribor, Slovenija
  • 2Univerzitet Crne Gore, Mašinski Fakultet, Podgorica, Crna Gora
  • 3Univerzitet Džemal Bijedić, Mašinski Fakultet, Mostar, BIH
  • 4Messer Slovenija d.o.o., Ljubljana, Slovenija
  • 5SIJ Acroni d.o.o., Jesenice, Slovenija

  • Emailamersida.manjgo@unmo.ba

Abstract

The application of conventional electric arc welding in argon protection (TIG welding process) has limited possibilities. These limitations are primarily related to the thickness of the welded material and the need to prepare the groove for their welding. Overcoming these limitations in TIG welding was done by using activating flux, so the procedure was named ATIG (ATIG) welding. The paper presents the results of research into the application of activating fluxes in welding austenitic stainless steel 316L with a thickness of 6 mm. By using the BC31 and QuickTIG melters of different chemical bases, we compare the mechanical properties of the welded joints, as well as with the welded joints of the same material obtained using the conventional TIG procedure. The results show that the best mechanical properties are possessed by welded joints realized by the ATIG process using a mixture of activating fluxes BC 31 (50%) and QuickTIG (50%) (green + white flux)


Keywords

ATIG, activating flux, TIG welding, mechanical properties, tensile tests, hardness, absorbed energy


Acknowledgements

The paper was originally published in the Proceedings of the International Scientific and Professional Conference: Welding Connects – Welding and Welded Structures 2023, held in Sarajevo, Bosnia and Herzegovina, from October 25 to 27, 2023.


References

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