Abstract
The flow and dynamic recrystallization (DRX) behaviour of the Cu-0.19Cr-0.1Ag alloy was systematically investigated by hot compression tests using a thermal simulation testing machine. The results showed that dynamic recovery and partial dynamic recrystallization occured at the strain rate of 10 s−1 in the entire temperature range tested, and at strain rates varying between 0.01 s−1 and 10 s−1 below 850 °C. Complete dynamic recrystallization occured when the deformation temperature was higher than 900 °C. The maximum softening rate strain (ε*) and the variable Z were introduced in the DRX kinetic model developed for the Cu-0.19Cr-0.1Ag alloy, obtaining an Avrami constant of 1.88.
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