Corrosion resistance of Fe-Cr-Ni-Mn-Mo-Ti steel produced by electron beam additive manufacturing with powder-cored wire and ferritic steel substrate

Abstract

To produce new materials with an additive manufacturing method the use of composition correction powder-cored wire is an attractive approach. In this article the powder-cored wire with high content of Fe, Cr, Ni, Mn, Mo alloying elements and Ti as stabilizing agent was used. The energy-dispersion analysis was used to determine the composition of the wire. Corrosion tests were carried out in FeCl3 solution to determine the resistance of the material against pitting corrosion. We also studied the influence of heat treatment on the corrosion resistance of the printed material. During the growth of the sample the powder-cored wire components are diluted within the deposited layer/substrate boundary and then redistributed during the high-temperature annealing thus having a negative effect on the corrosion resistance of the final product.