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Taha-Tijerina, Jaime
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Publications (7/7 displayed)
- 2024Thermomechanical properties of multifunctional polymer hybrid nanocomposites based on carbon nanotubes and nanosilicacitations
- 2024Reduction in Porosity in GMAW-P Welds of CP780 Galvanized Steel with ER70S-3 Electrode Using the Taguchi Methodologycitations
- 2024Impact of Welding Parameters in the Porosity of a Dissimilar Welded Lap Joint of CP800-XPF1000 Steel Weldment by GMAW-Pcitations
- 2022Carbon Nanotori Reinforced Lubricants in Plastic Deformation Processescitations
- 2022Multifunctional Hybrid MoS2-PEGylated/Au Nanostructures with Potential Theranostic Applications in Biomedicinecitations
- 2019Synergistic effect of nanocoatings for corrosion and wear protection of steel surfaces
- 2013Marine Corrosion Protective Coatings of Hexagonal Boron Nitride Thin Films on Stainless Steelcitations
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article
Impact of Welding Parameters in the Porosity of a Dissimilar Welded Lap Joint of CP800-XPF1000 Steel Weldment by GMAW-P
Abstract
<jats:p>The use of the orthogonal array L4 allows a determination of the effect between the welding parameters peak current (Ip), background current (Ib) and frequency (f) on the porosities in a dissimilar welded lap joint of CP800 and XPF1000 steel weldment by the gas metal arc welding process with the transfer pulsed mode. According to the results, modifications in the welding parameters affect the heat input during welding. A heat input higher than 0.30 KJ/mm generates up to 0.32% porosity in the weld metal, while a heat input lower than 0.25 KJ/mm generates up to 28% porosity in the weld metal. The variation in heat input generated by the process allowed the observation of the final microstructure of the welded joints and the effect of mechanical properties such as hardness because the results show values of hardness from 300 Hv to 400 Hv in the heat affected zone (HAZ).</jats:p>