Modelling precipitation sequences in powerplant steels Part 2 – Application of kinetic theory

Abstract New kinetic theory capable of dealing with the simultaneous precipitation of several phases has been applied to a variety of creep resistant power plant steels. It has been demonstrated that the model has the ability to predict the vast differences in precipitation kinetics reported in the published literature for power plant steels. New experimental results on precipitation in a 9Cr 1Mo type steel are reported and shown to be consistent with theoretical predictions.