Paper Title:
A-TIG Welding of a Stainless Steel
  Abstract

The aim of this research is the development of activating fluxes to improve weld bead geometry and increase weld penetration depth in austenitic stainless steels. The effect on bead geometry of two home-made fluxes, composed of titanium and aluminium oxides, was studied, in combination with two shielding gases, respectively Argon and an Argon/Helium mixture. A significant increase in penetration was obtained in welds done with the Ti based activating flux across the whole range of welding currents for both shielding gases, which was not the case for welds performed with the Al based flux. A decrease in δ-ferrite content in the weld metal with increasing current was observed only in welds done with the Ti based flux.

  Info
Periodical
Materials Science Forum (Volumes 587-588)
Edited by
António Torres Marques, António Fernando Silva, António Paulo Monteiro Baptista, Carlos Sá, Fernando Jorge Lino Alves, Luís Filipe Malheiros and Manuel Vieira
Pages
370-374
DOI
10.4028/www.scientific.net/MSF.587-588.370
Citation
A. Loureiro, A. Rodrigues, "A-TIG Welding of a Stainless Steel", Materials Science Forum, Vols. 587-588, pp. 370-374, 2008
Online since
June 2008
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Price
$32.00
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