The Mössbauer Spectroscopy Studies of ϵ to Cementite Carbides Transformation during Isothermal Heating from As-Quenched State οf High Carbon Tool Steel

Abstract

This work presents results of investigations using the Mssbauer spectroscopy technique and their interpretation concerning transformation of to cementite carbides during tempering in relation to the previously conducted dilatometric, microscopic and mechanical investigations. Investigations were performed on 120MnCrMoV8-6-4-2 steel. The influence of the tempering time on nucleation and solubility of carbides, and on cementite nucleation and growth, was determined. The analysis of phase transformations during various periods of tempering using the Mssbauer spectroscopy technique made possible to reveal fine details connected with the processes.