Journal of Material Science and Technology Research

Articles

Vol. 9 (2022)

Analyze and Optimize the Welding Parameters of the Process by Pulsed Tubular Wire (FCAW - Flux Cored Arc Welding) Based on the Geometry of the Weld Beads Resulting from each Test

DOI:
https://doi.org/10.31875/2410-4701.2022.09.02
Submitted
July 19, 2022
Published
2025-10-02

Abstract

Abstract: This study aimed to analyze and optimize deposition welding parameters using a pulsed tubular wire process (FCAW - Flux Cored Arc Welding), where the influence variables adopted were the average current, the pulsation frequency, the welding speed and the contact-tip-workpiece distance, with each variable being tested at three different levels. The geometric characteristics evaluated, that is, the response variables, are width, reinforcement, penetration, reinforcement area, penetration area and dilution. The geometric characteristics evaluated, that is, the response variables, are the width, the reinforcement, the penetration, the reinforcement area, the penetration area, the contact-tip-workpiece distance and the dilution. In order to achieve the proposed objective, statistical techniques were used as analysis tools, and, in the first phase, the robust design method (Taguchi) was used to establish which combinations of parameters would be performed in each test, providing us with an L9 matrix. In a second phase, analysis of variance tables (ANOVA) were constructed to select the most significant parameters.

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