Influence of 3D-Printing Parameters on Bimetallic Products Manufacturing Process of Cu-Fe System

The article is devoted to selection of optimal parameters for manufacturing defect-free high quality products. Bimetallic samples with different parameters of modes were printed by the method of electron beam wire-feed additive technology. Materials of stainless steel 304 and copper C11000 selected for printing have different physical properties. Based on macrostructural research, the paper presents various external defects, which were formed in different modes of production. The study showed the effect of external defects on the formation of internal defects in experimental samples. It was noted that in addition to the basic parameters of the manufacturing process, such as beam power and wire feed rate, geometric parameters such as electron beam sweep diameter and substrate thickness play a major role. The article presents macrostructural studies of bimetallic samples of stainless steel 304 and C11000 made using different modes of production.