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Table 3.

The main parameters used in FE simulation.

Parameters Value
Billet material AISI-5140
Billet initial forging temperature 1150 °C
Die initial-temperature 250 °C
Coefficient of heat convection 0.02 N/s mm °C
Radiation coefficient 0.3
Contact-surface heat transfer coefficient 5
Machine-ram speed speed 280 mm/s
Displacement increment 1 mm

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