Abstract
Over the past few decades, medium carbon microalloyed steels have aroused considerable interest in physicists and metallurgical engineers because of the fact that these materials find wide application in automobile components industry. The hot workability of a microalloyed medium carbon steel is optimized using the power dissipation maps developed on the basis of the Dynamic Materials Model. The selected steel undergoes single peak dynamic recrystallization in the domain centered about 1,150 C and 10 s{sup {minus}1} with a peak efficiency of 32%, which may be considered as the optimum domain for hot working. The material undergoes dynamic recovery in the domain centered at about 900 C and 0.1 s{sup {minus}1}.
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