Simulation of the hot flow behaviour of a médium carbón microalloyed steel. Part 2. Dynamic recrystallization: onset and kinetics
Keywords:Modelling, Dynamic recrystallization, Recrystallization kinetics
According to the part 1 of this work, in this second part the dynamic recrystallization of a commercial medium carbon microalloyed steel is characterized from the point of view of its onset and kinetics. For this purpose uniaxial hot compression tests were carried out over a range of five orders of magnitude in strain rate and 300 °C of temperature. Experimental results are compared with those reported in the literature and the possible effect of dynamic precipitation is also analyzed. It is verified that the kinetics of dynamic recrystallization can faithfully be described by the classical Avrami equation.
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