Study and modelling of microstructural evolutions and thermomechanical behaviour during the tempering of steel. (10th August 2006)

• Record Type: Journal Article
• Authors: Wang, Yunning; Appolaire, Benoit; Denis, Sabine; Archambault, Pierre; , Bernard Dussoubs
• Is Part Of: International journal of microstructure and materials properties. Volume 1:Number 2(2006)
• Page Start: 197
• Page End: 207
• Publication Date: 2006-08-10
• Subjects: tempering -- &amp -- #949 -- carbide -- cementite -- precipitation -- thermomechanical behaviour -- microstructure -- low alloy steels -- flow stress -- tempered martensite -- solid solution -- dislocation -- precipitation hardening; Microstructure -- Periodicals; Materials -- Properties -- Periodicals; 620.11299
• Languages: English
• ISSNs: 1741-8410

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.