Study of Phase Transformations in Steel X38CrMoV5-1 Using Dilatometry and Differential Thermal Analysis

The phase transformations of the X38CrMoV5-1 (AISI H11-1) steel are studied in the present work. Parts are usually manufactured by die-casting followed by a heat treatment, and the resulting microstructure as well as the mechanical properties are highly sensitive to the heat treatment conditions. The heat treatment consists on a quenching and tempering and it is not able to remove the casting dendritic microstructure or porosity but anyway, it...