Flow Behavior and Processing Maps of a Low-Carbon Steel During Hot Deformation
作者： Xiawei Yang , Wenya Li
DOI: 10.1007/S11661-015-3190-Z
关键词:
摘要: The hot isothermal compression tests of a low-carbon steel containing 0.20 pct C were performed in the temperature range 973 K to 1273 (700 °C 1000 °C) and at strain rate 0.001 1 s−1. results show that flow stress is dependent on deformation (decreasing with increasing and/or rate). predicted by Arrhenius-type artificial neural network models both good agreement experimental data, while prediction accuracy latter better than former. A processing map can be obtained superimposing an instability power dissipation map. Finally, FEM model was successfully established simulate test process this steel. combined very beneficial solve problems residual stress, distortion, components.
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