Published Paper Details:

Ability to produce large metallic parts with low to medium complexity made wire arc additive manufacturing (WAAM) a viable alternative to the conventional manufacturing processes. Prediction and optimization of process parameters is of the paramount importance due to influence of those on the build quality and mechanical properties. In this article, WAAM manufacturing process of SS304L was investigated for the prediction and optimization of 304L stainless steel. In order to investigate the influence of voltage, current and travel speed, a L16 Taguchi experimental design was used with the geometrical characteristics of the deposit and the hardness as the response variables. The TOPSIS (Techniques for Order - Preferences by Similarity to - Ideal Solution) technique was used to determine the ideal process parameters. The data obtained indicate that travel speed has the greatest impact on WWB and HWB, while heat input has an impact on microhardness. The optimal process parameters, V= 21.5 V, I= 80 A, TS= 200 m/min, were obtained.