Abstract
In order to perform numerical simulation of forging and determine the hot deformation processing parameters for 30Cr2Ni4MoV steel, the compressive deformation behaviors of 30Cr2Ni4MoV steel were investigated at the temperatures from 970 to 1270 °C and strain rates from 0.001 to 0.1 s−1 on a Gleeble-3500 thermo-mechanical simulator. The flow stress constitutive equations of the work hardening-dynamical recovery period and dynamical recrystallization period were established for 30Cr2Ni4MoV steel. The stress-strain curves of 30Cr2Ni4MoV steel predicted by the proposed model well agreed with experimental results, which confirmed that the proposed equations can be used to determine the hot deformation processing parameters for 30Cr2Ni4MoV steel.
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Foundation Item: Item Sponsored by National Basic Research Program of China (2011CB012900); National Science and Technology Major Project of China (2012ZX04012011); China Postdoctoral Science Foundation (2013M531171)
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Chen, F., Ren, Fc., Cui, Zs. et al. Constitutive Modeling for Elevated Temperature Flow Behavior of 30Cr2Ni4MoV Ultra-super-crical Rotor Steel. J. Iron Steel Res. Int. 21, 521–526 (2014). https://doi.org/10.1016/S1006-706X(14)60081-9
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DOI: https://doi.org/10.1016/S1006-706X(14)60081-9