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Table 1.

Sellars model for different microscopic phenomena in hot working of C-Mn steel.

Microscopic phenomenon Phenomenological model Notation used
Dynamic recrystallization

X is the recrystallized volume fraction after time t. The t0.5 is the time for 50% DRX and t for DRX to occur. Z is the temperature-compensated strain rate, i.e. the Zener-Hollomon parameter, R universal gas constant, T the absolute temperature, εc the critical strain for DRX, d0 initial grain size, ddyn the grain size produced by DRX, strain rate, ε strain, dsrx the grain size produced by SRX, and dg the grain size after grain growth.
Static recrystallization

Grain growth

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