Study and modelling of microstructural evolutions and thermomechanical behaviour during the tempering of steel Online publication date: Wed, 09-Aug-2006
by Yunning Wang, Benoit Appolaire, Sabine Denis, Pierre Archambault, Bernard Dussoubs
International Journal of Microstructure and Materials Properties (IJMMP), Vol. 1, No. 2, 2006
Abstract: A model for the evolution of microstructures and flow stress during the tempering of low alloyed steels has been developed. The competitive precipitations of ε carbide and cementite are simulated. The results are used to calculate the flow stress of the tempered martensite by a thermo-elasto-viscoplastic law that takes into account solid solution, dislocation and precipitation hardenings. The model is applied to a 80MnCr5 steel and the calculated results are compared with the experimental ones.
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