alexa Effect of TiO 2-containing fluxes on the mechanical properties and microstructure in submerged-arc weld steels
Materials Science

Materials Science

Journal of Material Sciences & Engineering

Author(s): Ana Mara PaniaguaMercado, Victor M LopezHirata

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This work presents a study of the effect of TiO2 additions in fluxes on the mechanical properties and microstructure of the weld metal formed during Submerged-Arc Welding (SAW) of ASTM A-36 steel plates. Four fluxes with about 9, 12, 15 and 18% Ti were used with a low-carbon electrode. The welding conditions were kept constant. The microstructure of the weld metal for each flux consisted mainly of equiaxed ferrite and acicular ferrite. The increase in the percentage of acicular ferrite and a decrease in its length were observed with an increase in titanium content. The increase in titanium content in fluxes also improved the toughness and ductility of the welds

This article was published in  Materials Characterization and referenced in Journal of Material Sciences & Engineering

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