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Influence of Selected Corrosive Environment on the Scale Formation in Selected Materials Manufactured by Directed Energy Deposition 3D Printing Technology

Małysza Marcin, Rząd Ewa, Zięba Łukasz

Journal of Casting & Materials Engineering

2025

Vol. 9, no. 3

23--31

Additive technologies, and in particular Directed Energy Deposition (DED), are becoming an increasingly important tool for the rapid production of components operating in, among others, the energy, aviation, petrochemical industries, where components are exposed to extreme thermochemical conditions. In the article, the influence of various corrosive atmospheres atmospheric air, water vapor and SO₂-argon- mixture – on the process of scale formation on the surface of materials manufactured using Directed Energy Deposition (DED) technology is presented. The tests were carried out at a temperature of 600°C (for air and water vapor) and 300°C (for SO₂-argon atmosphere). The mass increase and surface damage was monitored. It has been shown that the chemical composition of materials, especially the content of alloying elements such as Cr and Ni, is crucial for corrosion resistance. The obtained results provide the basis for further optimization of the composition of powders used in additive manufacturing techniques, in terms of operating conditions in aggressive environments.