Features of the structure of the melt, crystallization conditions and the allocation of the main and excess phases during the modification of the nickel alloy

Abstract

Abstract The aim of the work is to study the kinetics of crystallization of melts with complex additives. Studies have shown that microalloying alloys with complex additives leads to a change in the structure of the melt, crystallization conditions, and the release of the main and excess phases. These changes consist of a decrease in the crystallization interval of the alloy due to an increase in the solidus temperature, an increase in the rate of growth of the solid phase in the initial period of crystallization, a replacement of the mechanism of crystallization of carbides, and an increase in the temperature at which the precipitation of eutectic and hardening phases begins.