Reduction in Porosity in GMAW-P Welds of CP780 Galvanized Steel with ER70S-3 Electrode Using the Taguchi Methodology
Maleni García-Gómez,
Francisco Fernando Curiel-López,
José Jaime Taha-Tijerina
et al.
Abstract:In this study, the theoretical welding parameters influencing porosity formation were examined with the aim of reducing or minimizing porosity levels. An experimental design was implemented using the Taguchi methodology for data analysis, resulting in an L9 orthogonal array matrix of experiments. The welding variables considered in the orthogonal array were peak current, peak time, and frequency. Nine lap welds were performed on CP780 steel using the gas metal arc welding process with pulsed arc (GMAW-P), empl… Show more
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