Abstract
The effect of carbon content on material hot flow behaviour of 0·06 and 0·50%C steels has been investigated. Constitutive equations for the flow behaviour, taking into account dynamic recovery and recrystallisation, have been fitted using results of hot compression tests. Validation suggests that the model describes well the stress–strain behaviour observed for various steel grades. It is found that the hardening parameter and recovery are more sensitive to forming conditions at a higher carbon content.
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