Research Article

A Numerical Modelling Approach for Time-Dependent Deformation of Hot Forming Tools under the Creep-Fatigue Regime

Figure 2

(a, b, c) Waveform of the applied load and (d, e, f) output peak displacement over the testing time for the three loading conditions at 600 MPa and 490°C (data not purged by the press deformation). (g) Schematic explanation of the results. (h) Reference region for the definition of the average stress in the small-scale die specimen.