Структурно-фазовый состав материала изделия из сплава ЖС6У, сформированного методом проволочной электронно-лучевой аддитивной технологии

Abstract

In the present work, a product of ZhS6U alloy was obtained by wire-feed electron-beam additive technology on a substrate of austenitic steel. The obtained product had the shape of a thin wall and contained 20 layers and was 4.5 cm high, had no surface macro-defects and deviations from the specified geometry. The structure of the material was represented by dendrite colonies growing epitaxially in the direction of additive growth with deviation in the direction of the electron beam motion. It is shown that in the material of the additive product there is a tenfold refinement of the structure and the main strengthening phases, compared to the raw cast material. Also, studies have shown that the foreign substrate material has no crystallographic effect on the product being formed, and its submergence is already leveled at 5 mm.